General
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Target
Ziraat Bankasi Swift Mesaji.exe
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Size
1.5MB
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Sample
210112-j5blepsszn
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MD5
76db2712f6619db04c1444b474229b5f
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SHA1
dc3f71636f1b58e65ac93b0dc140a44a304f4433
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SHA256
6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f
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SHA512
ed2d6c8ffe19e63b3e393c07882feead2698f5282108ec69ed7a6be550a4bd0a0e9d603cb120b3aa788e3e4660515e5c5cc2d0c1eed2ece836a3fbeabb0a80f9
Static task
static1
Behavioral task
behavioral1
Sample
Ziraat Bankasi Swift Mesaji.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Ziraat Bankasi Swift Mesaji.exe
Resource
win10v20201028
Malware Config
Extracted
C:\Users\Admin\AppData\Local\60F5850B53\Log.txt
masslogger
Extracted
agenttesla
Protocol: smtp- Host:
mail.debi.com.tr - Port:
587 - Username:
info@debi.com.tr - Password:
357.Debi
Extracted
C:\Users\Admin\AppData\Local\7C372DB998\Log.txt
masslogger
Targets
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Target
Ziraat Bankasi Swift Mesaji.exe
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Size
1.5MB
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MD5
76db2712f6619db04c1444b474229b5f
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SHA1
dc3f71636f1b58e65ac93b0dc140a44a304f4433
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SHA256
6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f
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SHA512
ed2d6c8ffe19e63b3e393c07882feead2698f5282108ec69ed7a6be550a4bd0a0e9d603cb120b3aa788e3e4660515e5c5cc2d0c1eed2ece836a3fbeabb0a80f9
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload
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MassLogger log file
Detects a log file produced by MassLogger.
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AgentTesla Payload
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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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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