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General
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Target
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
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Size
1007KB
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Sample
240416-bk3j9afd3z
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MD5
3fdac5be870ce5d0c30c06854203624a
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SHA1
616317b2de7a62935c0630439b4bd884e8c79f3e
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SHA256
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7
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SHA512
686fb0dcd723a1fe005b8d4f0e1d014caf1a9b7eebceffd75b48949f7fce3a32457d215fbbe0d65ef69c98a52b0190cc8feaf90b363cae7ee311344aba7342a9
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SSDEEP
12288:UJ4NBFTi6/LSqFb4R7u59FSIogAHpXBoftbQleal:a4NH/LScb4Vu5aIogIpXe6lea
Static task
static1
Behavioral task
behavioral1
Sample
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.almaks.rs - Port:
587 - Username:
[email protected] - Password:
102Alma03-3 - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
mail.almaks.rs - Port:
587 - Username:
[email protected] - Password:
102Alma03-3
Targets
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Target
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
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Size
1007KB
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MD5
3fdac5be870ce5d0c30c06854203624a
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SHA1
616317b2de7a62935c0630439b4bd884e8c79f3e
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SHA256
66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7
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SHA512
686fb0dcd723a1fe005b8d4f0e1d014caf1a9b7eebceffd75b48949f7fce3a32457d215fbbe0d65ef69c98a52b0190cc8feaf90b363cae7ee311344aba7342a9
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SSDEEP
12288:UJ4NBFTi6/LSqFb4R7u59FSIogAHpXBoftbQleal:a4NH/LScb4Vu5aIogIpXe6lea
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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Detects executables packed with SmartAssembly
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1