General
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Target
a9565ef49bc8dfb38fe3513be41cc2204a8178820087f500658fc647fd4bc619
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Size
744KB
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Sample
220425-r4qb2acdc9
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MD5
d8bed05fd1028acfdce7267896b19880
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SHA1
2e17bc0afa1b0c98041393ae548d80d1398bb738
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SHA256
a9565ef49bc8dfb38fe3513be41cc2204a8178820087f500658fc647fd4bc619
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SHA512
7938c9008b2af9c679703fe23aaebe10bc5f9be33584cd8811b1b3afd269b971c18324f32f429022ded56328f64f7af501c0d4f7ed57e43cf5e26483193896c8
Static task
static1
Behavioral task
behavioral1
Sample
a9565ef49bc8dfb38fe3513be41cc2204a8178820087f500658fc647fd4bc619.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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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
a9565ef49bc8dfb38fe3513be41cc2204a8178820087f500658fc647fd4bc619
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Size
744KB
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MD5
d8bed05fd1028acfdce7267896b19880
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SHA1
2e17bc0afa1b0c98041393ae548d80d1398bb738
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SHA256
a9565ef49bc8dfb38fe3513be41cc2204a8178820087f500658fc647fd4bc619
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SHA512
7938c9008b2af9c679703fe23aaebe10bc5f9be33584cd8811b1b3afd269b971c18324f32f429022ded56328f64f7af501c0d4f7ed57e43cf5e26483193896c8
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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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