General
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Target
file.exe
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Size
720KB
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Sample
220925-m3z3maffcn
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MD5
863f48d608ab66acdc18e45413e345ad
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SHA1
85a756009566bef4a740002ceaf194075844611c
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SHA256
d0e42575f673548a61b28ddf142f119b8af54b95b5664e5c404cd5bac5a0ef63
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SHA512
c75ad0cd7afcf8afd6c7c3313596c39d0b7cc1d9ea749665ff3e2d4d383d8f72893298c8b30f5dde078d629969fd6939295f1d62d6f538cf9ae35abd7b0ba5b7
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SSDEEP
12288:0gA6JCruWS33ELqUQax1RLYtZ2h8nHwOUnA+TATll//MwF:0gAxrfiEtQUhQoWHxUA+TATj3M
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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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
file.exe
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Size
720KB
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MD5
863f48d608ab66acdc18e45413e345ad
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SHA1
85a756009566bef4a740002ceaf194075844611c
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SHA256
d0e42575f673548a61b28ddf142f119b8af54b95b5664e5c404cd5bac5a0ef63
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SHA512
c75ad0cd7afcf8afd6c7c3313596c39d0b7cc1d9ea749665ff3e2d4d383d8f72893298c8b30f5dde078d629969fd6939295f1d62d6f538cf9ae35abd7b0ba5b7
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SSDEEP
12288:0gA6JCruWS33ELqUQax1RLYtZ2h8nHwOUnA+TATll//MwF:0gAxrfiEtQUhQoWHxUA+TATj3M
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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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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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