djvu | 36bedcdc1ec49c77de80be90ec4c0bfb976c00fe2525e29b05efd668420850ff

General

Target

36bedcdc1ec49c77de80be90ec4c0bfb976c00fe2525e29b05efd668420850ff
Size

751KB
Sample

230402-vkctdaag7v
MD5

fb526c2ba6b776af2a654ee85ed6e1a7
SHA1

cb2b74527aef80811380290a58677a932de111b6
SHA256

36bedcdc1ec49c77de80be90ec4c0bfb976c00fe2525e29b05efd668420850ff
SHA512

26638efb87327b051dd3665793dd518cf2e2721cfed2b560d504a3da09e787a8ce09a576cb94efa58f7377679a74553d78a1f877bfddcc387eefaaa3d5a7a733
SSDEEP

12288:p5kiCK7KK7bIxnbvucDclx3p/ZLsVfqb1US2bd0qvuHCcOPIqH/wic/vTnaVysLX:V7KK7sJbvpQl1N9ms1s0IuH3OPIo/w/k

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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

- Target
  
  36bedcdc1ec49c77de80be90ec4c0bfb976c00fe2525e29b05efd668420850ff
- Size
  
  751KB
- MD5
  
  fb526c2ba6b776af2a654ee85ed6e1a7
- SHA1
  
  cb2b74527aef80811380290a58677a932de111b6
- SHA256
  
  36bedcdc1ec49c77de80be90ec4c0bfb976c00fe2525e29b05efd668420850ff
- SHA512
  
  26638efb87327b051dd3665793dd518cf2e2721cfed2b560d504a3da09e787a8ce09a576cb94efa58f7377679a74553d78a1f877bfddcc387eefaaa3d5a7a733
- SSDEEP
  
  12288:p5kiCK7KK7bIxnbvucDclx3p/ZLsVfqb1US2bd0qvuHCcOPIqH/wic/vTnaVysLX:V7KK7sJbvpQl1N9ms1s0IuH3OPIo/w/k
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1