General
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Target
6726b5b1dfd18cbd6409ff13009dcb8ec6cd5af5c053bc5b50b9f33d04c3d527
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Size
750KB
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Sample
230606-e5geasca43
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MD5
dc63d7e03229764a846226ac45d958fd
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SHA1
960e466365ac51b5bdd99fcc3e2d95de47c339c8
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SHA256
6726b5b1dfd18cbd6409ff13009dcb8ec6cd5af5c053bc5b50b9f33d04c3d527
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SHA512
63b2fe9515e4832fc9658a6a6b5c2338dc3466d54072cfbd6c9eef2e1de4f19f8c38a8013982cab572397bdd970803e816172c6ab2ff22d789491df75b6e2721
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SSDEEP
12288:g5xYAl/hU+5X7s3f9h/Vcng9A1Cxg8PBOFrnYM3iDtcOh1khjlXM8HqFi0Kvf:g5xpz41cngK1q/OFrnYMQhyjlHHqJE
Static task
static1
Behavioral task
behavioral1
Sample
6726b5b1dfd18cbd6409ff13009dcb8ec6cd5af5c053bc5b50b9f33d04c3d527.exe
Resource
win10v2004-20230221-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.neon
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offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
4.1
77a63e71a10ee1d81a28b5c866b75922
https://steamcommunity.com/profiles/76561199510444991
https://t.me/task4manager
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profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34
Targets
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Target
6726b5b1dfd18cbd6409ff13009dcb8ec6cd5af5c053bc5b50b9f33d04c3d527
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Size
750KB
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MD5
dc63d7e03229764a846226ac45d958fd
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SHA1
960e466365ac51b5bdd99fcc3e2d95de47c339c8
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SHA256
6726b5b1dfd18cbd6409ff13009dcb8ec6cd5af5c053bc5b50b9f33d04c3d527
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SHA512
63b2fe9515e4832fc9658a6a6b5c2338dc3466d54072cfbd6c9eef2e1de4f19f8c38a8013982cab572397bdd970803e816172c6ab2ff22d789491df75b6e2721
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SSDEEP
12288:g5xYAl/hU+5X7s3f9h/Vcng9A1Cxg8PBOFrnYM3iDtcOh1khjlXM8HqFi0Kvf:g5xpz41cngK1q/OFrnYMQhyjlHHqJE
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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