General
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Target
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543
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Size
824KB
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Sample
220524-tnn55scgeq
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MD5
8b7df26c62ae59859e08096fd12cf199
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SHA1
5879a5399d91a57d2327584ccce8b8654e60b642
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SHA256
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543
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SHA512
ddba02b074af7b559d78b6d9423fdd7a4247f8f66a2d624605293a5789534c78e4e8dac9cc7c814970d14c338d906de71ef5951453a2911a800a0ac42a28e10d
Static task
static1
Behavioral task
behavioral1
Sample
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
akachukwu123@
Targets
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Target
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543
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Size
824KB
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MD5
8b7df26c62ae59859e08096fd12cf199
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SHA1
5879a5399d91a57d2327584ccce8b8654e60b642
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SHA256
c4ef4eccfd7797c2a7e0a26e237e9489e8ecdfa38d25e3d4d0b9f259470d8543
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SHA512
ddba02b074af7b559d78b6d9423fdd7a4247f8f66a2d624605293a5789534c78e4e8dac9cc7c814970d14c338d906de71ef5951453a2911a800a0ac42a28e10d
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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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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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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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