General
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Target
a661b9a788590a65cbc7156fc775e035361f7481f927165e583efb1ccb483cc4.7z
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Size
716KB
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Sample
240924-b3k3xssbrp
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MD5
e2606c778d582aa42a9715365f7b5fad
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SHA1
8b71d4bf2d2e440362a0d16cade5cab653119260
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SHA256
a661b9a788590a65cbc7156fc775e035361f7481f927165e583efb1ccb483cc4
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SHA512
50e23dfecbcc3c4da8273cd7df209380e3f75e65e5ef4ae00bb7bfab36f4f771d9aa5b6ec681081c91ee82c2e14e6288f259ffc1f6c7bc6887c61dce95b0e581
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SSDEEP
12288:dQzlzmhfPl7sG3oHvKirPwl63H9qB359ST6etQge/tt8gnYyqBXG6fe9BAF2VtOx:dQNG3oHZElWzT6GQgitt8e1KDF2VtB/e
Static task
static1
Behavioral task
behavioral1
Sample
Ningbo - Past Due Invoices.scr
Resource
win7-20240903-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
BIGNAIRA2024 - Email To:
[email protected]
Targets
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Target
Ningbo - Past Due Invoices.scr
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Size
826KB
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MD5
1b136a73f10f2b2b837c46161eceaba9
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SHA1
0bb6bfbd1a79432f03e1b51f697f664a628a5e90
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SHA256
7df1b33f35a3ca87f9242153c847cc0d8e1d45c7e3b5c5ecf9f23bddbf94b052
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SHA512
30a82ab4146edf04179f53dc0527baf9b7bb8c82288009cb6704c47ba1c735ca96a57206a739d209b7ed3615ae52847d2f4a0ec8b1e889d06b323051ee344e30
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SSDEEP
24576:wiHxlaIGgVnElx5T6GMgitt8p10uF2VtQ/2:wiHxlaHl/6GtitGf0uF2VtQ/2
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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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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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