Windows Analysis Report
SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe

Overview

General Information

Sample name: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe
Analysis ID: 1521525
MD5: e3a6a985899b7b14de0e539045fa8856
SHA1: 1fdfc2ea75c2f52526dfa96834ec2f383d0c02f8
SHA256: 30ab8dea3f9af09e931fe9c72cc52c5a1a69ab6de752f20d13e465c7a4bda6d4
Tags: exeQuasarRAT
Infos:

Detection

Quasar
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Quasar RAT
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for sample
Yara detected Generic Downloader
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query CPU information (cpuid)
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE / OLE file has an invalid certificate
PE file contains an invalid checksum
PE file contains sections with non-standard names
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

Name Description Attribution Blogpost URLs Link
Quasar RAT, QuasarRAT Quasar RAT is a malware family written in .NET which is used by a variety of attackers. The malware is fully functional and open source, and is often packed to make analysis of the source more difficult.
  • APT33
  • Dropping Elephant
  • Stone Panda
  • The Gorgon Group
 https://malpedia.caad.fkie.fraunhofer.de/details/win.quasar_rat

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Avira: detected
Found malware configuration
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack Malware Configuration Extractor: Quasar {"Version": "1.4.1", "Host:Port": "117.18.7.76:3782;", "SubDirectory": "SubDir", "InstallName": "Client.exe", "MutexName": "d908c8ed-ea88-484e-a3d2-dcbe66ac7cfc", "StartupKey": "Windows Client Startup", "Tag": "newoffice", "LogDirectoryName": "Logs", "ServerSignature": "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", "ServerCertificate": "MIIE9DCCAtygAwIBAgIQALVx+qYXgHoHDGbKYTcTVTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDYwMjE0MjU0OFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAn3GZGZ2jxIWfTUi6wnwv63y9rbljZYYS59QRa5OMShzHUUfSQN6os6azIwN9UQvhG1DY00pAtFtvCY8AJpGf6PxK2s6G8F07DI8dY9tWOPZdZ5d/QxOpuApD9HhEov3YCLjVxWsGKVGEcyALvO9CdZC+Bi89w69lrjjiiTetE6gdD6i9UFgH3ij/1NIGVyAe+DDGumIhk893NB+IC/rm5rjehLkVaR1kK0uUBmRhWJ1xCl85iaXL5ny9MRcTcQnPnVE1wUS7uDPo57TWY0atCksljwuuc8TQw6lerbPKbMeeO3ezQI1VI0TDFPJw6Qznvpy/jqKb8Yx3Cmi7c37V8jS1aVliY2VOrB1+mMhYFenOQoFGWtoCAYAuFCRnHPq3jEGxgeQohCTGjmavV5JCZyr7UkrlD6b5cABS4bhfPW0vtg8qRSoZzuaD113e4a1hbu3CQMjr2vkbI3gS326Nzzvgflgdy5yLzeLyIfuWEVjD/fO+YSEVewbEGNDy+XcWWkGSLnGXWuRakpz5/j0pGSANDd1vVKpvWuJU/Oq47KD0J25i/b241kS4XFBeBQmqJfp4u27l3hpY9VGZtljB0gFA1BveGwwNqTfN6IxUQhem/rq1IcpQL9QvEgL/3ap6Pfikxt/rWsTONbMryerO7L9vRiKFfa3CuQtun2J6+SkCAwEAAaMyMDAwHQYDVR0OBBYEFGMZAMiA3iPoj4mQzypgmcpbxzRVMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQENBQADggIBAGhU2C47bC+lIeLM2F5y6KqmFWfgJRiiVJxnMsZ7vkIPW8hVXqqm+tN7bjWydE8DxXMnBhYOqvsFdeTWWe4Gj2tt2JQ40HCleAU5AXXKhM1ZfeKeZZdFnFuhn6CF60c0wbTfz5cEbuLX1doHs5RQZg4b6nehlF7OFvAEqIrtoy7o2/PYMrhife2C6uqEqxqsvFJRqTWYFNtgMFG5pLCPxT9ekOTTmZNmsnoYmo79xHWnMVw59Sd9KriJ7IX8W2PFDhBKA+jHY9SOD6gYmsuR5KjsH0B47PiezBK/FLfGieQ/NgGdvgv6m8sB0MfnFP4CqpNIftsyfsfE7Mo+I+aZ5JLLm152dWtfhenA+sR+r3RC/97XIXg+5grgYa7dk1ywJkv+ZXwFlzsExyB6E0GPH+rRMVefXn3z06QCNO5CYVjw/8ASsAL+92dAljZDGEwqr1axQMCxrIDxDOs0Ydx5JoiLS+c/tqUp6cXJC5hEd4FwjVe0C+7PRWRzIlJytO3Es1V1ngTsn0HyaUJfls8vqawe5H2nMDP/8V3eGw29OO2gpGAPdlMpOVDso8zGKuy+o6U1+vmgH1iBIMnNBF8+AK+wGM75ZZCaW/n377UutOzwd1TWWBCwBrl+hykgxaVsAhaOg1IQRbj7OWmO8b6hyCfoaOoBI8YrTvt72RtwGusP"}
Multi AV Scanner detection for submitted file
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe ReversingLabs: Detection: 63%
Yara detected Quasar RAT
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4109420847.0000000003BA4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe PID: 6976, type: MEMORYSTR
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 99.7% probability
Machine Learning detection for sample
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Joe Sandbox ML: detected
Uses 32bit PE files
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: unknown HTTPS traffic detected: 195.201.57.90:443 -> 192.168.2.4:49739 version: TLS 1.2
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE
Source: Binary string: D:\ccode\623\Release\623.pdb source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A83059 FindFirstFileExW, 0_2_00A83059
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A8310A FindFirstFileExW,RevokeDragDrop,FindNextFileW,FindClose,FindClose, 0_2_00A8310A

Networking
barindex
Suricata IDS alerts for network traffic
Source: Network traffic Suricata IDS: 2027619 - Severity 1 - ET MALWARE Observed Malicious SSL Cert (Quasar CnC) : 117.18.7.76:3782 -> 192.168.2.4:49737
Source: Network traffic Suricata IDS: 2035595 - Severity 1 - ET MALWARE Generic AsyncRAT Style SSL Cert : 117.18.7.76:3782 -> 192.168.2.4:49737
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: 117.18.7.76
Yara detected Generic Downloader
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.4:49737 -> 117.18.7.76:3782
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 195.201.57.90 195.201.57.90
Source: Joe Sandbox View IP Address: 195.201.57.90 195.201.57.90
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 3b5074b1b5d032e5620f69f9f700ff0e
May check the online IP address of the machine
Source: unknown DNS query: name: ipwho.is
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0Host: ipwho.isConnection: Keep-Alive
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown TCP traffic detected without corresponding DNS query: 117.18.7.76
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0Host: ipwho.isConnection: Keep-Alive
Source: global traffic DNS traffic detected: DNS query: ipwho.is
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://cert.ssl.com/SSL.com-timeStamping-I-RSA-R1.cer0Q
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://cert.ssl.com/SSLcom-SubCA-EV-CodeSigning-RSA-4096-R3.cer0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://crls.ssl.com/SSL.com-timeStamping-I-RSA-R1.crl0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://crls.ssl.com/SSLcom-RootCA-EV-RSA-4096-R2.crl0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://crls.ssl.com/SSLcom-SubCA-EV-CodeSigning-RSA-4096-R3.crl0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://crls.ssl.com/ssl.com-rsa-RootCA.crl0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4106853255.000000000138B000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4106853255.000000000138B000.00000004.00000020.00020000.00000000.sdmp, 77EC63BDA74BD0D0E0426DC8F80085060.0.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.0000000003B57000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://ipwho.is
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://ocsps.ssl.com0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://ocsps.ssl.com0?
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://ocsps.ssl.com0_
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.0000000003BA4000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.datacontract.org/2004/07/
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.0000000003891000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://sslcom.crl.certum.pl/ctnca.crl0s
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://sslcom.ocsp-certum.com08
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://sslcom.repository.certum.pl/ctnca.cer0:
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://www.ssl.com/repository/SSLcom-RootCA-EV-RSA-4096-R2.crt0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: http://www.ssl.com/repository/SSLcomRootCertificationAuthorityRSA.crt0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://api.ipify.org/
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.0000000003B45000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://ipwho.is
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.0000000003B45000.00000004.00000800.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://ipwho.is/
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://stackoverflow.com/q/11564914/23354;
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4109420847.00000000038C5000.00000004.00000800.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://stackoverflow.com/q/14436606/23354
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://stackoverflow.com/q/2152978/23354sCannot
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: https://www.certum.pl/CPS0
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe String found in binary or memory: https://www.ssl.com/repository0
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49739
Source: unknown Network traffic detected: HTTP traffic on port 49739 -> 443
Source: unknown HTTPS traffic detected: 195.201.57.90:443 -> 192.168.2.4:49739 version: TLS 1.2

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Installs a global keyboard hook
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Windows user hook set: 0 keyboard low level C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Jump to behavior

E-Banking Fraud
barindex
Yara detected Quasar RAT
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4109420847.0000000003BA4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe PID: 6976, type: MEMORYSTR

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: 00000000.00000002.4107808945.0000000001510000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Donutloader_f40e3759 Author: unknown
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: Detects Quasar infostealer Author: ditekshen
Detected potential crypto function
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A492F0 0_2_00A492F0
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A89772 0_2_00A89772
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_018305F9 0_2_018305F9
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_05E4E82C 0_2_05E4E82C
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_06108B68 0_2_06108B68
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_06100007 0_2_06100007
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_06100040 0_2_06100040
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_06109A01 0_2_06109A01
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E4A8A8 0_2_08E4A8A8
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E46D88 0_2_08E46D88
Found potential string decryption / allocating functions
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: String function: 00A7D750 appears 31 times
PE / OLE file has an invalid certificate
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: invalid certificate
Sample file is different than original file name gathered from version info
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenameClient.exe. vs SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: OriginalFilenameClient.exe. vs SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe
Uses 32bit PE files
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: 00000000.00000002.4107808945.0000000001510000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Donutloader_f40e3759 os = windows, severity = x86, creation_date = 2021-09-15, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Donutloader, fingerprint = 6400b34f762cebb4f91a8d24c5fce647e069a971fb3ec923a63aa98c8cfffab7, id = f40e3759-2531-4e21-946a-fb55104814c0, last_modified = 2022-01-13
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: classification engine Classification label: mal100.troj.spyw.evad.winEXE@1/2@1/2
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Mutant created: NULL
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\d908c8ed-ea88-484e-a3d2-dcbe66ac7cfc
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe ReversingLabs: Detection: 63%
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: wininet.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: secur32.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: schannel.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: mskeyprotect.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ntasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ncrypt.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ncryptsslp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: gpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: cryptnet.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: dhcpcsvc6.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: dhcpcsvc.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: webio.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: dnsapi.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: fwpuclnt.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: cabinet.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: rasapi32.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: rasman.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: rtutils.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0EE7644B-1BAD-48B1-9889-0281C206EB85}\InprocServer32 Jump to behavior
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static file information: File size 3958016 > 1048576
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Raw size of .data is bigger than: 0x100000 < 0x322400
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: D:\ccode\623\Release\623.pdb source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata
PE file contains an invalid checksum
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: real checksum: 0x3ca38e should be: 0x3c8d45
PE file contains sections with non-standard names
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: section name: .00cfg
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A83AC9 push ecx; ret 0_2_00A83ADC
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_0151000A push es; ret 0_2_0151004B
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_05E4D372 pushfd ; ret 0_2_05E4D379
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E410E4 pushad ; ret 0_2_08E410EA
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E420A0 push 67C008C3h; ret 0_2_08E420A6
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E40006 push ebp; ret 0_2_08E40026
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E41FE0 push eax; ret 0_2_08E41FE1
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_08E41FD8 pushad ; ret 0_2_08E41FD9
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Static PE information: section name: .text entropy: 7.006278611145333

Hooking and other Techniques for Hiding and Protection
barindex
Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe File opened: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe:Zone.Identifier read attributes | delete Jump to behavior
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Registry key monitored for changes: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Memory allocated: 3690000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Memory allocated: 3890000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Memory allocated: 5890000 memory reserve | memory write watch Jump to behavior
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Window / User API: threadDelayed 2770 Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Window / User API: threadDelayed 6973 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe TID: 6196 Thread sleep time: -24903104499507879s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe TID: 6332 Thread sleep time: -30000s >= -30000s Jump to behavior
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_BaseBoard
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_BIOS
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A83059 FindFirstFileExW, 0_2_00A83059
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A8310A FindFirstFileExW,RevokeDragDrop,FindNextFileW,FindClose,FindClose, 0_2_00A8310A
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4111310178.00000000066D0000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW`:l
Source: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.1718393063.00000000066C1000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.1717789909.00000000066C1000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.1718136470.0000000006723000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.2318462269.00000000066BC000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.1728444906.00000000066C0000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4111365435.0000000006717000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000002.4111238792.00000000066BC000.00000004.00000020.00020000.00000000.sdmp, SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe, 00000000.00000003.1728379875.0000000006774000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7D585 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_00A7D585
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A8013D GetProcessHeap, 0_2_00A8013D
Enables debug privileges
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7D585 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_00A7D585
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7D579 SetUnhandledExceptionFilter, 0_2_00A7D579
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A81369 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_00A81369
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7CF46 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_00A7CF46
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Memory allocated: page read and write | page guard Jump to behavior
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7D795 cpuid 0_2_00A7D795
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ServiceModel\v4.0_4.0.0.0__b77a5c561934e089\System.ServiceModel.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Security\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Security.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Data.SqlXml\v4.0_4.0.0.0__b77a5c561934e089\System.Data.SqlXml.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\SMDiagnostics\v4.0_4.0.0.0__b77a5c561934e089\SMDiagnostics.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ServiceModel.Internals\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Internals.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Code function: 0_2_00A7D45B GetSystemTimeAsFileTime,GetCurrentThreadId,GetCurrentProcessId,QueryPerformanceCounter, 0_2_00A7D45B
Source: C:\Users\user\Desktop\SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information
barindex
Yara detected Quasar RAT
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4109420847.0000000003BA4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe PID: 6976, type: MEMORYSTR

Remote Access Functionality
barindex
Yara detected Quasar RAT
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.61b0000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe.4898888.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000002.4109420847.0000000003BA4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110939314.00000000061B0000.00000004.08000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.4110026356.0000000004895000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe PID: 6976, type: MEMORYSTR
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1521525 Sample: SecuriteInfo.com.BackDoor.Q... Startdate: 28/09/2024 Architecture: WINDOWS Score: 100 10 ipwho.is 2->10 16 Suricata IDS alerts for network traffic 2->16 18 Found malware configuration 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 7 other signatures 2->22 6 SecuriteInfo.com.BackDoor.QuasarNET.3.14065.23993.exe 15 2 2->6         started        signatures3 process4 dnsIp5 12 117.18.7.76, 3782, 49737 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong Hong Kong 6->12 14 ipwho.is 195.201.57.90, 443, 49739 HETZNER-ASDE Germany 6->14 24 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->24 26 Installs a global keyboard hook 6->26 signatures6
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
117.18.7.76
 unknown Hong Kong
38197 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong true
195.201.57.90
 ipwho.is Germany
24940 HETZNER-ASDE false

Contacted Domains

Name IP Active
ipwho.is 195.201.57.90 true
default.qdr.p1.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 217.20.57.18 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
117.18.7.76 true
    		unknown
    https://ipwho.is/ false
      		unknown