General
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Target
6db3f5c9836ac0af795df7d8644b4af6c685d138bd182ffe98451b04dec1b06d
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Size
738KB
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Sample
230619-fpbdsacg51
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MD5
32738bdd462a826babbbe477bce264a8
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SHA1
86a8ff7cf11de323870271c3c2a1b22c0b8755c3
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SHA256
6db3f5c9836ac0af795df7d8644b4af6c685d138bd182ffe98451b04dec1b06d
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SHA512
0ba7d2f05e60830053246f9b3da8a3e988d86b6997b694543cefb22eabb7a5b15724c39b9574db6d6be70f40ab0589f25430eeac9c1211f36276919433138fec
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SSDEEP
12288:JEO/jU9dGLs9DdggOdVD4yScoxtx1wWjynt5WDsZQzIzpLuVT5YVJK8:JEBoLohgrAHPx9jOXkrzIzpKVT5Y
Static task
static1
Behavioral task
behavioral1
Sample
6db3f5c9836ac0af795df7d8644b4af6c685d138bd182ffe98451b04dec1b06d.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.ahui
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offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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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
4.3
a129a8292a021d62796bfced1018aa1f
https://steamcommunity.com/profiles/76561199514261168
https://t.me/kamaprimo
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profile_id_v2
a129a8292a021d62796bfced1018aa1f
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user_agent
Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0
Targets
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Target
6db3f5c9836ac0af795df7d8644b4af6c685d138bd182ffe98451b04dec1b06d
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Size
738KB
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MD5
32738bdd462a826babbbe477bce264a8
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SHA1
86a8ff7cf11de323870271c3c2a1b22c0b8755c3
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SHA256
6db3f5c9836ac0af795df7d8644b4af6c685d138bd182ffe98451b04dec1b06d
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SHA512
0ba7d2f05e60830053246f9b3da8a3e988d86b6997b694543cefb22eabb7a5b15724c39b9574db6d6be70f40ab0589f25430eeac9c1211f36276919433138fec
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SSDEEP
12288:JEO/jU9dGLs9DdggOdVD4yScoxtx1wWjynt5WDsZQzIzpLuVT5YVJK8:JEBoLohgrAHPx9jOXkrzIzpKVT5Y
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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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