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Windows
Analysis Report
truepepe-qt.exe
Overview
General Information
Detection
Quasar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Drops script at startup location
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)
Modifies the context of a thread in another process (thread injection)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Dot net compiler compiles file from suspicious location
Suspicious command line found
Yara detected Generic Downloader
Allocates memory with a write watch (potentially for evading sandboxes)
Compiles C# or VB.Net code
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
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 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 execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Dynamic .NET Compilation Via Csc.EXE
Sigma detected: Potentially Suspicious Execution Of Regasm/Regsvcs From Uncommon Location
Sigma detected: PowerShell Script Run in AppData
Stores files to the Windows start menu directory
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- truepepe-qt.exe (PID: 3784 cmdline:
"C:\Users\ user\Deskt op\truepep e-qt.exe" MD5: 157A22896CC610D6310A2FA0F4A13005) - conhost.exe (PID: 3060 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 2800 cmdline:
C:\Windows \system32\ cmd.exe /d /s /c "ty pe C:\User s\user\App Data\Local \Temp\temp .ps1 | pow ershell.ex e -noprofi le -" MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - cmd.exe (PID: 4888 cmdline:
C:\Windows \system32\ cmd.exe /S /D /c" ty pe C:\User s\user\App Data\Local \Temp\temp .ps1 " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - powershell.exe (PID: 6540 cmdline:
powershell .exe -nopr ofile - MD5: 04029E121A0CFA5991749937DD22A1D9) - csc.exe (PID: 6248 cmdline:
"C:\Window s\Microsof t.NET\Fram ework64\v4 .0.30319\c sc.exe" /n oconfig /f ullpaths @ "C:\Users\ user\AppDa ta\Local\T emp\mwqkwc kz\mwqkwck z.cmdline" MD5: F65B029562077B648A6A5F6A1AA76A66) - cvtres.exe (PID: 1220 cmdline:
C:\Windows \Microsoft .NET\Frame work64\v4. 0.30319\cv tres.exe / NOLOGO /RE ADONLY /MA CHINE:IX86 "/OUT:C:\ Users\user \AppData\L ocal\Temp\ RES1F72.tm p" "c:\Use rs\user\Ap pData\Loca l\Temp\mwq kwckz\CSCF C0CC46A56B 44D29BDCD6 6DB3B5DD14 5.TMP" MD5: C877CBB966EA5939AA2A17B6A5160950) - cmd.exe (PID: 5376 cmdline:
C:\Windows \system32\ cmd.exe /d /s /c "C: \Users\use r\AppData\ Local\Temp \RegAsm.ex e" MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - RegAsm.exe (PID: 6320 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\RegAsm. exe MD5: 68CA89F542A3E864FE99E2391B178E22)
- RegAsm.exe (PID: 2720 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\RegAsm .exe" MD5: 68CA89F542A3E864FE99E2391B178E22)
- cleanup
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. |
{"Version": "1.4.1", "Host:Port": "51.15.17.193:4782;", "SubDirectory": "SubDir", "InstallName": "Client.exe", "MutexName": "3cedc6f6-6ab5-4aba-8d7d-5cda1b7ffa72", "StartupKey": "Quasar Client Startup", "Tag": "SenshiPepe", "LogDirectoryName": "Logs", "ServerSignature": "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", "ServerCertificate": "MIIE9DCCAtygAwIBAgIQAMaTO8NkDssYwyYqpLth2zANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MTExMTAzMTk0NVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAjmhEECGx9fJQPcO/tgA+f+kThLAwzf77GITj6MUf+ipJ2FxfDkt1dClWH7x3waX33aitCeYrNHoVpriW1JVNqnzcZZOEu8fmtpxlXlSdBCdVxLNRp6CiJfafCuIfizorZpkBdERawzGdVD5Fmx6p7DSeAm6WV/V6vZROp0FCVmJ5IbSNIu0PHTjRVh0rcT3pt0+tlT/KceZhk5XM2ds5MqCKGpBYXTvWrWzkk8Alby/3M0QFvctC7YytuDOywU+Qj5bAFB7IAlIeJAGlWGoWb3pLL05N2SbfRYdJcucFpq72+MgmneoTxwovJwiUxvRQGUNBjpxZcUA4d+pHtGRvNAU95RxfirGTaWujfHX9um4mNBhYbMb/NRGC737GQV48ksMSEtcR4C9U1GGh/3Czr7S/GIew19pHtdHsnN5P+rn2wbVPlUgzwgcAeHFbVlD+Lguszs0AdHGwv9ZdkHPwBzmOx9YvDEYfEZM9AJk/hWuk85FXZTKMcDSG1ytHbAyGgjLOr8B1z36u3B1kRt+92uHqd06QjFu/ipVIitmGogem5nwTVthP7zLvbjFiv6omskGBu/55ByQicH5MCkDisJKU2ahOFOypbR5hxdodGS13+pQGFqg8cTe0gsnzfrwXKiQu1aYC394MW+z29OO5KK9NSN4bJ3zn4W7Sh5TbbHsCAwEAAaMyMDAwHQYDVR0OBBYEFB73KQ9dKRRykGrTP/ro/ucILFuYMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQENBQADggIBACp7CqafH2O5tj6gVDE7FAhoQrPyBNMiQXpXZihG9DIoTHJgiDPuRhdSrVyPKldZ7EsSa52sse6QzmYrRnMOQmUZWP7Cu6QLtYc4IUcGRZWDaY2uVDsnXwyXIkxUHDGeeQG+f5/iBiKTMqy+6O0cIRqebMtTqvmob5yQggXp5CVXTbq+pb0DmcLsMbZbrWNviVC7QBXpwHyH24H7iv2aEEAAQorIg35v75Oen7nvFPGcKiaEjvTKvoce2j2OceW20QAaQlSBeSaOIsAyw1q1e6uIoC6PjDb0URbXV6LAJz5RjfinSiQuo0nLzRLRiecEOiBBhtXsMXBIs/jxGqMKT14QbXMVLX9STaDho5i0LAkypnYNjFznc40Ot/Xqx5pS9B/jBppVVNKjv//AdTbKa9WNUPTQZg91IAnXAE6FTSGwUSzGhmrf4WJfHLt0uITn/fOrZfL/enju+jnX3TKRU8N4BNakHcAv2XJh0qmDnmKBAHrq5rCNsSO6Bsl411FYxb3enXQAd6SNy+G/kx1Up4+jAg67bTZDlq38opVU0k0ZAxmLWHUHI1QbcnAhah0g40fW5UY9kijuWbxVea8K+arIRk4hBLqFLNkwoa5eEKg7+ErtUJeqR1Q8YJhCzqz8zQ5Rf0EdE40W9H4zsxgQUFmqAE/klrdI06pJLB3bjvwa"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security | ||
Click to see the 7 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security | ||
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security | ||
MAL_QuasarRAT_May19_1 | Detects QuasarRAT malware | Florian Roth |
| |
INDICATOR_SUSPICIOUS_GENInfoStealer | Detects executables containing common artifcats observed in infostealers | ditekSHen |
| |
MALWARE_Win_QuasarStealer | Detects Quasar infostealer | ditekshen |
| |
Click to see the 13 entries |
System Summary |
---|
Source: | Author: Oleg Kolesnikov @securonix invrep_de, oscd.community, Florian Roth (Nextron Systems), Christian Burkard (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), X__Junior (Nextron Systems): |
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community: |
Source: | Author: frack113: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Data Obfuscation |
---|
Source: | Author: Joe Security: |
Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-19T12:16:17.731679+0100 | 2035595 | 1 | Domain Observed Used for C2 Detected | 51.15.17.193 | 4782 | 192.168.2.6 | 49717 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-19T12:16:17.731679+0100 | 2027619 | 1 | Domain Observed Used for C2 Detected | 51.15.17.193 | 4782 | 192.168.2.6 | 49717 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: |