General
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Target
f4735575f3e0d76426f6cf80a17d106ee3bc63490db8804c1aa40b20fd04423e
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Size
727KB
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Sample
220425-d1cd4sbdb9
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MD5
91e0c8b57058285586ee437395f996ff
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SHA1
71d0d1f5e427af0f7837b56945e355fadc840c26
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SHA256
f4735575f3e0d76426f6cf80a17d106ee3bc63490db8804c1aa40b20fd04423e
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SHA512
7c3d6e927d11dbd08a51f629ee787a9d3647fe6279d6e90e0ce37d802751b5e0f614b2fff670dca4dd24bd01842c668c0ebb81d9b2ce9104e009b4006815da8e
Static task
static1
Behavioral task
behavioral1
Sample
f4735575f3e0d76426f6cf80a17d106ee3bc63490db8804c1aa40b20fd04423e.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dmay
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
f4735575f3e0d76426f6cf80a17d106ee3bc63490db8804c1aa40b20fd04423e
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Size
727KB
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MD5
91e0c8b57058285586ee437395f996ff
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SHA1
71d0d1f5e427af0f7837b56945e355fadc840c26
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SHA256
f4735575f3e0d76426f6cf80a17d106ee3bc63490db8804c1aa40b20fd04423e
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SHA512
7c3d6e927d11dbd08a51f629ee787a9d3647fe6279d6e90e0ce37d802751b5e0f614b2fff670dca4dd24bd01842c668c0ebb81d9b2ce9104e009b4006815da8e
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Detected Djvu ransomware
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Vidar Stealer
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Downloads MZ/PE file
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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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Modifies file permissions
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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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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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