djvu | abbfc2c1959ddf89a9afdad6b4d3f1f4f81c5cec088a3c8252a28e48b7626ab4

General

Target

abbfc2c1959ddf89a9afdad6b4d3f1f4f81c5cec088a3c8252a28e48b7626ab4
Size

816KB
Sample

230721-qyfd7sfd51
MD5

536ada25292eb99dd65bbab772afe146
SHA1

51ef6d14501f98bb2b6e5fbed5fad1e996623f96
SHA256

abbfc2c1959ddf89a9afdad6b4d3f1f4f81c5cec088a3c8252a28e48b7626ab4
SHA512

306f833f99e379d1333c2c030760acebe4891c4c3abc251e967ab7c1269cd17924559fe27ca42100a7c42b7a9cabaffd82a8c066bb2d78e3cfeda995da615a12
SSDEEP

12288:Jol0qJ3B4f6DRcnK3TcA822UOGE8z7bnuAwOaWnn4X0uOa6UClSZBUeIqwlaST:J7q1B4URgKjcA8221GhviOaKbVaKnM

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.kizu
offline_id
NGHsYuVPwlgoEkG3ENtueNmXtFHSWod7fYayU9t1
payload_url
http://colisumy.com/dl/build2.exe

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

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes

profile_id_v2
https://t.me/sundayevent
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

- Target
  
  abbfc2c1959ddf89a9afdad6b4d3f1f4f81c5cec088a3c8252a28e48b7626ab4
- Size
  
  816KB
- MD5
  
  536ada25292eb99dd65bbab772afe146
- SHA1
  
  51ef6d14501f98bb2b6e5fbed5fad1e996623f96
- SHA256
  
  abbfc2c1959ddf89a9afdad6b4d3f1f4f81c5cec088a3c8252a28e48b7626ab4
- SHA512
  
  306f833f99e379d1333c2c030760acebe4891c4c3abc251e967ab7c1269cd17924559fe27ca42100a7c42b7a9cabaffd82a8c066bb2d78e3cfeda995da615a12
- SSDEEP
  
  12288:Jol0qJ3B4f6DRcnK3TcA822UOGE8z7bnuAwOaWnn4X0uOa6UClSZBUeIqwlaST:J7q1B4URgKjcA8221GhviOaKbVaKnM
Score

10^/10

djvu vidar https://t.me/sundayevent 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