General
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Target
418c3229bbbbd39c654965d7f590422c563a360900d57bfa54615adce6d7d9ad
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Size
751KB
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Sample
230403-dv6e1adg8s
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MD5
e1a27898040fbb00523aa9c5b41f5d41
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SHA1
7e5ca8ecf8a9087e2fb9c71050ac126bb9717b7f
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SHA256
418c3229bbbbd39c654965d7f590422c563a360900d57bfa54615adce6d7d9ad
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SHA512
19597a4c583a5e4d9160b1ae25639d1829b9cc737e2fc4d789e0482450060f154329f4430414c1f9acc8889b39d69482e535b4df29ca7475ff37f3549f3f6497
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SSDEEP
12288:qAvJcP0nKLaF369Kd9U1KMdUNG5OgMHEXBY0AKB74Mf1yWCZt3RFeUJeY8XGt:1cP0nqr9Kdm1KMdWYPBXIseb/3JexGt
Static task
static1
Behavioral task
behavioral1
Sample
418c3229bbbbd39c654965d7f590422c563a360900d57bfa54615adce6d7d9ad.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.nifr
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
418c3229bbbbd39c654965d7f590422c563a360900d57bfa54615adce6d7d9ad
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Size
751KB
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MD5
e1a27898040fbb00523aa9c5b41f5d41
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SHA1
7e5ca8ecf8a9087e2fb9c71050ac126bb9717b7f
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SHA256
418c3229bbbbd39c654965d7f590422c563a360900d57bfa54615adce6d7d9ad
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SHA512
19597a4c583a5e4d9160b1ae25639d1829b9cc737e2fc4d789e0482450060f154329f4430414c1f9acc8889b39d69482e535b4df29ca7475ff37f3549f3f6497
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SSDEEP
12288:qAvJcP0nKLaF369Kd9U1KMdUNG5OgMHEXBY0AKB74Mf1yWCZt3RFeUJeY8XGt:1cP0nqr9Kdm1KMdWYPBXIseb/3JexGt
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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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