General
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Target
fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183
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Size
727KB
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Sample
220424-zxbt3aaae3
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MD5
c1f2a2837f5e2270efce9013ec092962
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SHA1
4a9c077f839d4119ad351f7a9494e645964e8427
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SHA256
fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183
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SHA512
ac45c3d85d4c1250cea2b8c6ba41fa3f6647815bd043bf3365fcb80936eadea1ae4ff61c38d75f0d1c00a42f3d7d605b9f70fd1c302d1e5b8dc3cce8cd55b2b0
Static task
static1
Behavioral task
behavioral1
Sample
fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183.exe
Resource
win10-20220414-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
fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183
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Size
727KB
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MD5
c1f2a2837f5e2270efce9013ec092962
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SHA1
4a9c077f839d4119ad351f7a9494e645964e8427
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SHA256
fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183
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SHA512
ac45c3d85d4c1250cea2b8c6ba41fa3f6647815bd043bf3365fcb80936eadea1ae4ff61c38d75f0d1c00a42f3d7d605b9f70fd1c302d1e5b8dc3cce8cd55b2b0
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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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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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