General
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Target
setup.exe
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Size
694KB
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Sample
230404-bmtecscb35
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MD5
c6f934b5661d112ea03ba84a519a8b24
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SHA1
efdc163376a208fafca78bfab8eb7f92d4482fcc
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SHA256
6a96bc291b6261d002b3a7d6a232db3df2afe2e8e48bb4b66775bb7446b7ac26
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SHA512
8ab26c73f0f402128ab1baf1a4febee404fd14d8a84c7984b7996d8184842f2188a3d98a96396f4e9119fab08d9c99aa6a79c3e1daf3ed4f5319c0c55b090b4b
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SSDEEP
12288:K53HfLvh+FweBKBGCi5xQbbHnd2Gt8rHjZ9xstXnY2FJ5/XPkP35o/WjXW:y3jhLeMB25xQbbHdBt8rHl9MXBNXPkPx
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-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
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-v8HcfXTy5x Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0679SUjhw
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
setup.exe
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Size
694KB
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MD5
c6f934b5661d112ea03ba84a519a8b24
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SHA1
efdc163376a208fafca78bfab8eb7f92d4482fcc
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SHA256
6a96bc291b6261d002b3a7d6a232db3df2afe2e8e48bb4b66775bb7446b7ac26
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SHA512
8ab26c73f0f402128ab1baf1a4febee404fd14d8a84c7984b7996d8184842f2188a3d98a96396f4e9119fab08d9c99aa6a79c3e1daf3ed4f5319c0c55b090b4b
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SSDEEP
12288:K53HfLvh+FweBKBGCi5xQbbHnd2Gt8rHjZ9xstXnY2FJ5/XPkP35o/WjXW:y3jhLeMB25xQbbHdBt8rHl9MXBNXPkPx
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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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