General
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Target
7ff7c08013b3021cb330d6a3ffbced5725b4ba2354b4c16acb061f02c0bbe73e
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Size
555KB
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Sample
220521-ajvmksdcbk
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MD5
3d5c764704c7b1a2b4add952b6521ba6
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SHA1
f77d0aa790bc4118c0e2a5c230366ce95143e3d2
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SHA256
7ff7c08013b3021cb330d6a3ffbced5725b4ba2354b4c16acb061f02c0bbe73e
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SHA512
84946b522c5d7a3d21f0f7761b35a801c6ba36ca98231063c830e3f536e1e6d9343917baa4e0eead787319162ae9ece375a4977f6d60b64113f1fc43de63a03b
Static task
static1
Behavioral task
behavioral1
Sample
BL.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
BL.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.eidtravel.com - Port:
587 - Username:
[email protected] - Password:
Core2020C
Extracted
agenttesla
Protocol: smtp- Host:
mail.eidtravel.com - Port:
587 - Username:
[email protected] - Password:
Core2020C
Targets
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Target
BL.exe
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Size
709KB
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MD5
ef56f3579d0622ac4240e009bfc3d87d
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SHA1
79afc3a7c52547895a536904b4d46113ef9fae03
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SHA256
f5f2f940a9d18cd7406a220801fb04eb500df3bf2ef8e73a110e7bd27bd7f860
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SHA512
0566b9ecdb8ffbd6da446c20dff14f32f16a910294d6a635ac8fe9675423b2e97615aa0435c9fe390819b981cbacd3f49ca922cb16789143f02d6aa6f7ea2d70
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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