djvu | d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155

General

Target

setup.exe
Size

801KB
Sample

230329-cjex8sed38
MD5

068fbec9d61f07aa58fcc83bb8acd771
SHA1

ba88bdae1c6cd8cc856688576028d035bf600570
SHA256

d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155
SHA512

67bc0f8b1293587404c641a4fd2390779154b8d47cdffd77d70f0ca4016bcb53058337401b3091b763d679282b70732ee84c432767c9efbf6d3b4065b6f76ff0
SSDEEP

12288:dwgMCSiQFiT7vICRfk5JexYAtFHYySfBOAwGDDG9OrTWj/Vsh//D/3:6CSZC7QSfk5JexYAkPTW/Vshj3

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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
  
  801KB
- MD5
  
  068fbec9d61f07aa58fcc83bb8acd771
- SHA1
  
  ba88bdae1c6cd8cc856688576028d035bf600570
- SHA256
  
  d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155
- SHA512
  
  67bc0f8b1293587404c641a4fd2390779154b8d47cdffd77d70f0ca4016bcb53058337401b3091b763d679282b70732ee84c432767c9efbf6d3b4065b6f76ff0
- SSDEEP
  
  12288:dwgMCSiQFiT7vICRfk5JexYAtFHYySfBOAwGDDG9OrTWj/Vsh//D/3:6CSZC7QSfk5JexYAkPTW/Vshj3
Score

10^/10

djvu discovery persistence ransomware vidar 5df88deb5dde677ba658b77ad5f60248 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 behavioral2