General
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Target
1b924b3aec5f0729f05e84ec6a23cd99.bin
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Size
687KB
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Sample
240508-bjsnnada79
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MD5
03c8f6f9dbda3f5d547b3d6e4ad77fbd
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SHA1
3b573c68dcfe99506b0d3e60f8cd418e83e5affe
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SHA256
b51d8cef7b5387ffd2bdfd950a32f3707fbc7478e54d3e7dbb17141af56bad06
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SHA512
b84437bbded57f57f3c43acdb7d3dc11eced494e765905a3df4e0e6d1cb636f35b5f88ea9a9f033a388344474fc05ae1e4559d007dd89ca7b2dda9e416f7188a
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SSDEEP
12288:o8RjW8qfGN9Q2KHYSNLtbGsGJOKwPEl/8lo63l5aVdmsPlfk+HHPqS:o8oZS9/EYcLt61JOKwPO/iTaVdbPls8l
Static task
static1
Behavioral task
behavioral1
Sample
PO#AL231108.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
PO#AL231108.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.sibasultrasonics.com - Port:
587 - Username:
[email protected] - Password:
wxQ@kr-2OL,{
Extracted
agenttesla
Protocol: smtp- Host:
mail.sibasultrasonics.com - Port:
587 - Username:
[email protected] - Password:
wxQ@kr-2OL,{ - Email To:
[email protected]
Targets
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Target
PO#AL231108.exe
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Size
726KB
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MD5
52a968eda28e0eee172211251d81f91a
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SHA1
cf03d8ab062a649bbda71f976d830527bc880718
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SHA256
b9f7f2043b9a1cdeca868f55c33bd83d993be160ca42bb38ac3281ac00f6ec10
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SHA512
2eca3e2b990183653ace761c0679485adad835739f0ea45b391ed753b5590637cb5f1356ad6e2a09ba7bf93c8b2956c41a453d996cd327bc22123e311c458dd4
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SSDEEP
12288:4zXiAEfD9rzyatXKRlLvo2n8rAKtJKqvxyRvl4s0CSLMGifSddEL+ZkR:aRE79pQjQ7AeKvl4s0CSLhw+E
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
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