General
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Target
HALKBANK.exe
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Size
1.9MB
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Sample
200707-eaq9jcf4d6
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MD5
50c28ec3b4d36ef6d94c9ee44669d5c6
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SHA1
e1fa59975732f319ee3543721946c9bdbddcdd7d
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SHA256
8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04
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SHA512
f6bd95acce6103f8111f3b510c64de731733b0e5ccde6313ba55193667d22a0cc5f076672b25ea30fc58e50e164ab8149541dd0a79ece6e26c54d27272b6cdc1
Static task
static1
Behavioral task
behavioral1
Sample
HALKBANK.exe
Resource
win7
Behavioral task
behavioral2
Sample
HALKBANK.exe
Resource
win10
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bunsadokum.com - Port:
587 - Username:
[email protected] - Password:
posta38Bunsa
Targets
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Target
HALKBANK.exe
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Size
1.9MB
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MD5
50c28ec3b4d36ef6d94c9ee44669d5c6
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SHA1
e1fa59975732f319ee3543721946c9bdbddcdd7d
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SHA256
8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04
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SHA512
f6bd95acce6103f8111f3b510c64de731733b0e5ccde6313ba55193667d22a0cc5f076672b25ea30fc58e50e164ab8149541dd0a79ece6e26c54d27272b6cdc1
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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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Executes dropped EXE
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Loads dropped DLL
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Suspicious use of SetThreadContext
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