General
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Target
6272a282967313e09b4e6df785e193b2e9ffb1b81d21b9f63ed57624d866614d
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Size
758KB
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Sample
230401-f1hx1agb37
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MD5
7f9e167cce6ad6bad263e59dfba27fdd
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SHA1
9b76a335f7d0ef39370caaefc989817b1539acda
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SHA256
6272a282967313e09b4e6df785e193b2e9ffb1b81d21b9f63ed57624d866614d
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SHA512
5c63d1c36b45562cdd5dc3bb80f3124cbaa761a05107fade9a7517ef9b8bb1a7bbbec49d70643a3be29d8edb3edb023ac3e9a5cf597528507bec38e73411f6dd
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SSDEEP
12288:d15kUzN2pCi8UzLVjpkBcCRWn/civKo6Tpcn1rfuN4oFxILxOV0YI0:d1jN2p58UzLVjpkiCTogpElWN4Ee0
Static task
static1
Behavioral task
behavioral1
Sample
6272a282967313e09b4e6df785e193b2e9ffb1b81d21b9f63ed57624d866614d.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
6272a282967313e09b4e6df785e193b2e9ffb1b81d21b9f63ed57624d866614d
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Size
758KB
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MD5
7f9e167cce6ad6bad263e59dfba27fdd
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SHA1
9b76a335f7d0ef39370caaefc989817b1539acda
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SHA256
6272a282967313e09b4e6df785e193b2e9ffb1b81d21b9f63ed57624d866614d
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SHA512
5c63d1c36b45562cdd5dc3bb80f3124cbaa761a05107fade9a7517ef9b8bb1a7bbbec49d70643a3be29d8edb3edb023ac3e9a5cf597528507bec38e73411f6dd
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SSDEEP
12288:d15kUzN2pCi8UzLVjpkBcCRWn/civKo6Tpcn1rfuN4oFxILxOV0YI0:d1jN2p58UzLVjpkiCTogpElWN4Ee0
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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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