General
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Target
Trojan.MSIL.Formbook.AMAJ.MTB-94fcf4577759c6ba44c9bc4672ca962f27f7f92c5f5ddac01e2abf53767ce2dfN
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Size
655KB
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Sample
240916-bd2z5s1gnj
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MD5
13b35d8e78861524e10b29f6f46a3b20
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SHA1
457beca2f81d17662524e3a72da416d56df1b86e
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SHA256
94fcf4577759c6ba44c9bc4672ca962f27f7f92c5f5ddac01e2abf53767ce2df
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SHA512
e04b6560525aa949328e72672bd75eef7aaef3fcea618d517b45b3844901fe46f027b12e708de42ffe04f64837da746595b121e0e25e8ec5fab41cf454b116da
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SSDEEP
12288:ncFGdbZ138dNgrF5aMEgAkxzwhR8ZhdDTidYjsYJznwmie0Bd5E8P3N9i72lPkR:KmSniF5zEgAkx8hIBeyI0nw55xVkEK
Static task
static1
Behavioral task
behavioral1
Sample
Trojan.MSIL.Formbook.AMAJ.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Trojan.MSIL.Formbook.AMAJ.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
Protocol: smtp- Host:
smtp.strato.de - Port:
587 - Username:
[email protected] - Password:
Oy1)8JSu_qPx(rzV_{Xu
Extracted
agenttesla
Protocol: smtp- Host:
smtp.strato.de - Port:
587 - Username:
[email protected] - Password:
Oy1)8JSu_qPx(rzV_{Xu - Email To:
[email protected]
Targets
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Target
Trojan.MSIL.Formbook.AMAJ.MTB-94fcf4577759c6ba44c9bc4672ca962f27f7f92c5f5ddac01e2abf53767ce2dfN
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Size
655KB
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MD5
13b35d8e78861524e10b29f6f46a3b20
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SHA1
457beca2f81d17662524e3a72da416d56df1b86e
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SHA256
94fcf4577759c6ba44c9bc4672ca962f27f7f92c5f5ddac01e2abf53767ce2df
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SHA512
e04b6560525aa949328e72672bd75eef7aaef3fcea618d517b45b3844901fe46f027b12e708de42ffe04f64837da746595b121e0e25e8ec5fab41cf454b116da
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SSDEEP
12288:ncFGdbZ138dNgrF5aMEgAkxzwhR8ZhdDTidYjsYJznwmie0Bd5E8P3N9i72lPkR:KmSniF5zEgAkx8hIBeyI0nw55xVkEK
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1