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Windows
Analysis Report
iwtYgAXvKB.exe
Overview
General Information
Sample name: | iwtYgAXvKB.exerenamed because original name is a hash value |
Original sample name: | F16881D17FC93A873CF38D7DBE9E7135.exe |
Analysis ID: | 1502157 |
MD5: | f16881d17fc93a873cf38d7dbe9e7135 |
SHA1: | c5ec7ddc260622c030306d4eff6015d86adc225b |
SHA256: | 7ff2a8fbbde8a033ccb679a3780da4812e4843d5aca60767c030379a9e331365 |
Tags: | DCRatexe |
Infos: | |
Detection
DCRat, PureLog Stealer, zgRAT
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Creates processes via WMI
Disable UAC(promptonsecuredesktop)
Disables UAC (registry)
Drops PE files to the user root directory
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Files With System Process Name In Unsuspected Locations
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to communicate with device drivers
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the user directory
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
File is packed with WinRar
Found WSH timer for Javascript or VBS script (likely evasive script)
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
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains executable resources (Code or Archives)
PE file contains sections with non-standard names
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: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
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
- System is w10x64
- iwtYgAXvKB.exe (PID: 5912 cmdline:
"C:\Users\ user\Deskt op\iwtYgAX vKB.exe" MD5: F16881D17FC93A873CF38D7DBE9E7135) - wscript.exe (PID: 4416 cmdline:
"C:\Window s\System32 \WScript.e xe" "C:\co ntainerpro vider\WD8T yzwe3aBcLS .vbe" MD5: FF00E0480075B095948000BDC66E81F0) - cmd.exe (PID: 5656 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\cont ainerprovi der\HWCHX7 UinH.bat" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 6804 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - bridgeComponentreview.exe (PID: 2504 cmdline:
"C:\contai nerprovide r\bridgeCo mponentrev iew.exe" MD5: 5D1B42B223BE48AD0EB8EE36A9D3EA0A)
- LhMoEdVbIY.exe (PID: 6616 cmdline:
"C:\Progra m Files (x 86)\micros oft\EdgeCo re\LhMoEdV bIY.exe" MD5: 5D1B42B223BE48AD0EB8EE36A9D3EA0A)
- LhMoEdVbIY.exe (PID: 6768 cmdline:
"C:\Progra m Files (x 86)\micros oft\EdgeCo re\LhMoEdV bIY.exe" MD5: 5D1B42B223BE48AD0EB8EE36A9D3EA0A)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
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DCRat | DCRat is a typical RAT that has been around since at least June 2019. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
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zgRAT | zgRAT is a Remote Access Trojan malware which sometimes drops other malware such as AgentTesla malware. zgRAT has an inforstealer use which targets browser information and cryptowallets.Usually spreads by USB or phishing emails with -zip/-lnk/.bat/.xlsx attachments and so on. | No Attribution |
{"SCRT": "{\"O\":\"@\",\"F\":\"_\",\"L\":\"<\",\"9\":\"%\",\"i\":\")\",\"I\":\"&\",\"0\":\"^\",\"S\":\",\",\"N\":\"*\",\"T\":\">\",\"z\":\"#\",\"y\":\"-\",\"A\":\";\",\"d\":\"~\",\"2\":\"|\",\"1\":\" \",\"h\":\"(\",\"Q\":\".\",\"5\":\"`\",\"J\":\"!\",\"M\":\"$\"}", "PCRT": "{\"Q\":\"%\",\"v\":\"<\",\"0\":\"#\",\"F\":\" \",\"J\":\")\",\"t\":\"!\",\"B\":\"|\",\"R\":\"$\",\"Z\":\",\",\"V\":\"^\",\"W\":\";\",\"k\":\"~\",\"y\":\"_\",\"U\":\">\",\"N\":\".\",\"d\":\"@\",\"h\":\"&\",\"Y\":\"*\",\"P\":\"`\",\"m\":\"-\",\"X\":\"(\"}", "TAG": "", "MUTEX": "DCR_MUTEX-8osTUeTovr8vFF5yShBK", "LDTM": false, "DBG": false, "SST": 5, "SMST": 2, "BCS": 0, "AUR": 1, "ASCFG": {"searchpath": "%UsersFolder% - Fast"}, "AS": false, "ASO": false, "AD": false}
Source | Rule | Description | Author | Strings |
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JoeSecurity_zgRAT_1 | Yara detected zgRAT | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_zgRAT_1 | Yara detected zgRAT | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security |
Source | Rule | Description | Author | Strings |
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JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
Click to see the 6 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
INDICATOR_SUSPICIOUS_References_SecTools_B64Encoded | Detects executables referencing many base64-encoded IR and analysis tools names | ditekSHen |
| |
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
INDICATOR_SUSPICIOUS_References_SecTools_B64Encoded | Detects executables referencing many base64-encoded IR and analysis tools names | ditekSHen |
| |
JoeSecurity_zgRAT_1 | Yara detected zgRAT | Joe Security | ||
Click to see the 3 entries |
System Summary |
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Source: | Author: Sander Wiebing, Tim Shelton, Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Michael Haag: |
Timestamp: | 2024-08-31T09:42:18.547518+0200 |
SID: | 2034194 |
Severity: | 1 |
Source Port: | 49728 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-08-31T09:42:29.531947+0200 |
SID: | 2048095 |
Severity: | 1 |
Source Port: | 49732 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Integrated Neural Analysis Model: |
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Source: | Static PE information: |
Source: | Directory created: | Jump to behavior | ||
Source: | Directory created: | Jump to behavior |
Source: | Static PE information: |
Source: | Binary string: |
Source: | Code function: | 0_2_007AA5F4 | |
Source: | Code function: | 0_2_007BB8E0 | |
Source: | Code function: | 0_2_007CAAA8 |
Source: | File opened: | Jump to behavior | ||
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Networking |
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Source: | HTTP traffic detected: |