General
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Target
78522b2700bd1d3087f1a31f311db0937b5cc65f6ab635e08f184e6021ff3ee2
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Size
683KB
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Sample
220503-zekn9acba5
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MD5
f9dcbd440ab4301f797a50088246feb6
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SHA1
336355f6a0bbdb2390f0870e5e604eb7d31d005a
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SHA256
78522b2700bd1d3087f1a31f311db0937b5cc65f6ab635e08f184e6021ff3ee2
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SHA512
b5aa0cd8fc3989bd6cd0c0a6c39d35f269e35012f0b038669b3d5ebd65176c4594de02c27b4636f9696f61f6744ea41059d6492c14dd3025cf583c25cfd0e629
Static task
static1
Behavioral task
behavioral1
Sample
MBin.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
MBin.exe
Resource
win10v2004-20220414-en
Malware Config
Targets
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Target
MBin.exe
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Size
929KB
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MD5
c4cf28c1d5e4da94c3391b90cd91671d
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SHA1
2c0db45e4852ab67255f78fe6921ada7a305244e
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SHA256
433c68e89fe741e7ec59e064861baf726ab0b8637849d9d92fa5e3a2819d211c
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SHA512
23590c2584a04127ec7c75f5f642a6884715390158b897e3617d4cbd536d6369388a0f3cce6d926ae7bf3e149d4cc8c99f82a35e340553421411d1c624506f39
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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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Modifies WinLogon for persistence
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Turns off Windows Defender SpyNet reporting
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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