General
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Target
5bb5dab4e306d78f20a799afa2b943d5a5a1e4b91252050a76208d22cde932e8.exe
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Size
841KB
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Sample
240510-br2arsae9x
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MD5
75ed7ada6d18a65d8bc94be6f96211c1
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SHA1
b5192d012d297f1e939632053a231ec9b63b2c67
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SHA256
5bb5dab4e306d78f20a799afa2b943d5a5a1e4b91252050a76208d22cde932e8
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SHA512
b75393821360ee51258e608177eefe1209d255488078b58a4d6da503b23f48fb40aa5d5ced8fa2f445b492c698b71b7f82d31da58e3a233fea6f5cce22d7977f
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SSDEEP
12288:CfBa4VcKFZCKnOyAucLOvJ5+PrdLX2jzw0qUh5ZE2U38shqhSOS:C5msnNELhzp2j0KS2U38gl
Static task
static1
Behavioral task
behavioral1
Sample
5bb5dab4e306d78f20a799afa2b943d5a5a1e4b91252050a76208d22cde932e8.exe
Resource
win7-20240221-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nne dimma080 - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nne dimma080
Targets
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Target
5bb5dab4e306d78f20a799afa2b943d5a5a1e4b91252050a76208d22cde932e8.exe
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Size
841KB
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MD5
75ed7ada6d18a65d8bc94be6f96211c1
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SHA1
b5192d012d297f1e939632053a231ec9b63b2c67
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SHA256
5bb5dab4e306d78f20a799afa2b943d5a5a1e4b91252050a76208d22cde932e8
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SHA512
b75393821360ee51258e608177eefe1209d255488078b58a4d6da503b23f48fb40aa5d5ced8fa2f445b492c698b71b7f82d31da58e3a233fea6f5cce22d7977f
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SSDEEP
12288:CfBa4VcKFZCKnOyAucLOvJ5+PrdLX2jzw0qUh5ZE2U38shqhSOS:C5msnNELhzp2j0KS2U38gl
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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 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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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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