djvu | 3853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4

General

Target

setup.exe
Size

694KB
Sample

230403-nt2ersed65
MD5

629d744dcc7fe6b57e76979833f8499a
SHA1

b82526d6281e68fe0498d17fddc3a251ba92544f
SHA256

3853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4
SHA512

63aa8c2cf223a3ef8f569b224725ae9b3fd2f07353e35e691dc2cc97eae8b911fa8daa8d003c764d8233da7af367f14447946610ee963916c5650534872292d8
SSDEEP

12288:M6qQySPKq2IgaXpZUBvZdJpUV4dCz7BG4uFB:M6qQvKq2jaZ+lJroW

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.niwm
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
  
  setup.exe
- Size
  
  694KB
- MD5
  
  629d744dcc7fe6b57e76979833f8499a
- SHA1
  
  b82526d6281e68fe0498d17fddc3a251ba92544f
- SHA256
  
  3853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4
- SHA512
  
  63aa8c2cf223a3ef8f569b224725ae9b3fd2f07353e35e691dc2cc97eae8b911fa8daa8d003c764d8233da7af367f14447946610ee963916c5650534872292d8
- SSDEEP
  
  12288:M6qQySPKq2IgaXpZUBvZdJpUV4dCz7BG4uFB:M6qQvKq2jaZ+lJroW
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware stealer spyware
- 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 behavioral2