General
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Target
vbc.exe
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Size
24KB
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Sample
230127-zac4lsed8s
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MD5
28cfc00452c4e3e6c0082fdca3c520fc
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SHA1
1260166c856aee0225371c7ab269f3a228cf8fb5
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SHA256
93b17c9c6d764b7e218d2d1669e8bd68059da3fe346936071b012d22d52fb35e
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SHA512
8413d173f55e5fe9d8fd415fd1f9e76358916ee1de5d1e6dbab3a1b18b0848011e76f7a2ee332f4fca64e8dcb26a8d1492c8d1ebe9ad165eba84c8dda6065af8
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SSDEEP
96:IEfPqlezZjTldKYgr+Doo+HzQLCmNeit3l/kSw6k7l6xiRQe3T3erAo00wGvzNt:IEfPql6VpJ/oGlL/kHH7l6Ej7e
Static task
static1
Behavioral task
behavioral1
Sample
vbc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
vbc.exe
Resource
win10v2004-20220812-en
Malware Config
Targets
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Target
vbc.exe
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Size
24KB
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MD5
28cfc00452c4e3e6c0082fdca3c520fc
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SHA1
1260166c856aee0225371c7ab269f3a228cf8fb5
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SHA256
93b17c9c6d764b7e218d2d1669e8bd68059da3fe346936071b012d22d52fb35e
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SHA512
8413d173f55e5fe9d8fd415fd1f9e76358916ee1de5d1e6dbab3a1b18b0848011e76f7a2ee332f4fca64e8dcb26a8d1492c8d1ebe9ad165eba84c8dda6065af8
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SSDEEP
96:IEfPqlezZjTldKYgr+Doo+HzQLCmNeit3l/kSw6k7l6xiRQe3T3erAo00wGvzNt:IEfPql6VpJ/oGlL/kHH7l6Ej7e
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Detect PureCrypter injector
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Detects Smokeloader packer
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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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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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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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