General
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Target
7ddd91885fb4a9bad323c948009f8f3a09b43c9b04155b4a2f8b2be0bb83bd9e
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Size
715KB
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Sample
220924-z3tbasdchr
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MD5
89878f2cb8372ee83eb82731073864be
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SHA1
662e081be4685e18176c7ecec8b39d38a0b0ff31
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SHA256
7ddd91885fb4a9bad323c948009f8f3a09b43c9b04155b4a2f8b2be0bb83bd9e
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SHA512
a37ae6145a287d12824b47c8a189939d00c63059d334403a4a71ffb5beff205a9feff398dfb3e4ca401a17eee34505d9ef262f82567eaf0a6e5152279e1d9a02
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SSDEEP
12288:LOtSyfUZQZ4ZCowTpDvPeCZvtCQPYFAklEPfcDOF+h:OHT4ZPw9neuvdP0AcE9F+h
Static task
static1
Behavioral task
behavioral1
Sample
7ddd91885fb4a9bad323c948009f8f3a09b43c9b04155b4a2f8b2be0bb83bd9e.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.oflg
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.6
517
https://t.me/huobiinside
https://mas.to/@kyriazhs1975
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profile_id
517
Targets
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Target
7ddd91885fb4a9bad323c948009f8f3a09b43c9b04155b4a2f8b2be0bb83bd9e
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Size
715KB
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MD5
89878f2cb8372ee83eb82731073864be
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SHA1
662e081be4685e18176c7ecec8b39d38a0b0ff31
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SHA256
7ddd91885fb4a9bad323c948009f8f3a09b43c9b04155b4a2f8b2be0bb83bd9e
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SHA512
a37ae6145a287d12824b47c8a189939d00c63059d334403a4a71ffb5beff205a9feff398dfb3e4ca401a17eee34505d9ef262f82567eaf0a6e5152279e1d9a02
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SSDEEP
12288:LOtSyfUZQZ4ZCowTpDvPeCZvtCQPYFAklEPfcDOF+h:OHT4ZPw9neuvdP0AcE9F+h
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Detected Djvu ransomware
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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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