General
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Target
e92730f1d59a685115218b2c798b89528d5bae2e34f2f87f40351f0465ec5d59
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Size
745KB
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Sample
230619-abhm2sad62
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MD5
69880bfa6491d2e6e30678064fd5fede
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SHA1
281286f9b4c97a7b8965b6ec4e69709ef00cc936
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SHA256
e92730f1d59a685115218b2c798b89528d5bae2e34f2f87f40351f0465ec5d59
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SHA512
aac4f8447a6c5df7daf5f1a3e9f09c20b71c93e79d095c232a8bac0b6e287ff4136d7dd19233bced78f85be7c34c6e5e328770e7b906345099fcb33acef2fab7
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SSDEEP
12288:8TYJhVyKJpYaUjgx9U6bD3NEvkIDp4zYZHPqbVntNaeihz0:8TOyKgHgx9UWDW7FuMHixrahz0
Static task
static1
Behavioral task
behavioral1
Sample
e92730f1d59a685115218b2c798b89528d5bae2e34f2f87f40351f0465ec5d59.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
e92730f1d59a685115218b2c798b89528d5bae2e34f2f87f40351f0465ec5d59
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Size
745KB
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MD5
69880bfa6491d2e6e30678064fd5fede
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SHA1
281286f9b4c97a7b8965b6ec4e69709ef00cc936
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SHA256
e92730f1d59a685115218b2c798b89528d5bae2e34f2f87f40351f0465ec5d59
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SHA512
aac4f8447a6c5df7daf5f1a3e9f09c20b71c93e79d095c232a8bac0b6e287ff4136d7dd19233bced78f85be7c34c6e5e328770e7b906345099fcb33acef2fab7
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SSDEEP
12288:8TYJhVyKJpYaUjgx9U6bD3NEvkIDp4zYZHPqbVntNaeihz0:8TOyKgHgx9UWDW7FuMHixrahz0
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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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