General
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Target
setupov16.exe
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Size
271.7MB
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Sample
230219-am1yrsea58
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MD5
afc107122f9018050f0a1201e6d096a2
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SHA1
97a56e7492d86791e8d880fb3c530f0812c04244
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SHA256
3cc08755e17790f6152c50cf98ae474e49011e2407fd3f327ac3919d1b503f14
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SHA512
417cc8614bd4f4d9d450d6a497b0e69cb98b21c3b4a95bb46b8fa08983be6842c9ac1c7af48b23734d42fc5cdaa21c4e0fe335dcb5918b7905ebe51eae8f6f4f
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SSDEEP
96:LmJQaxddLegL2RZBz+4O0OFKqWZkr8lGDwaYz2N924vBM4zNt:LmJJdLD2TNp3q1YQDDYzi9faa
Static task
static1
Behavioral task
behavioral1
Sample
setupov16.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
setupov16.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
purecrypter
http://comicmaster.org.uk/img/css/design/fabric/bo/Kvxut.dat
Targets
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Target
setupov16.exe
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Size
271.7MB
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MD5
afc107122f9018050f0a1201e6d096a2
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SHA1
97a56e7492d86791e8d880fb3c530f0812c04244
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SHA256
3cc08755e17790f6152c50cf98ae474e49011e2407fd3f327ac3919d1b503f14
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SHA512
417cc8614bd4f4d9d450d6a497b0e69cb98b21c3b4a95bb46b8fa08983be6842c9ac1c7af48b23734d42fc5cdaa21c4e0fe335dcb5918b7905ebe51eae8f6f4f
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SSDEEP
96:LmJQaxddLegL2RZBz+4O0OFKqWZkr8lGDwaYz2N924vBM4zNt:LmJJdLD2TNp3q1YQDDYzi9faa
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext
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