djvu | 63fd2e3a23a0308f158bf8b637e9c08c38edbf605f5c556b8b9ea50e3fdc59ea

General

Target

63fd2e3a23a0308f158bf8b637e9c08c38edbf605f5c556b8b9ea50e3fdc59ea
Size

712KB
Sample

230411-zqhn2afd28
MD5

0a54070024be3cdb98ca4cc78d9acfc8
SHA1

c63e93c317e9021a49cf95f4240c46b6602db9ab
SHA256

63fd2e3a23a0308f158bf8b637e9c08c38edbf605f5c556b8b9ea50e3fdc59ea
SHA512

838396b41ef2a4620b9c84bbca5e5b9e9478d28a23f90ec10f04d1fffdcdc02d31d099823ddd5f565190cce66d765b6aa751eedb8602152158461d0ec7ee70ce
SSDEEP

12288:AwkE/49/wO6mYNBcRdBwYEkh5mUSKijvvhddwO7zAS+s0i:jkEwV8NB2dBwYEkSbd/Nn0i

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.boza
offline_id
A5whrmSMRYQPLIwxS6XFix1PGn8lJ9uXUaipSat1
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

3.4

Botnet

623db25256a5734d1207787d269d05b2

C2

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes

profile_id_v2
623db25256a5734d1207787d269d05b2
user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Targets

- Target
  
  63fd2e3a23a0308f158bf8b637e9c08c38edbf605f5c556b8b9ea50e3fdc59ea
- Size
  
  712KB
- MD5
  
  0a54070024be3cdb98ca4cc78d9acfc8
- SHA1
  
  c63e93c317e9021a49cf95f4240c46b6602db9ab
- SHA256
  
  63fd2e3a23a0308f158bf8b637e9c08c38edbf605f5c556b8b9ea50e3fdc59ea
- SHA512
  
  838396b41ef2a4620b9c84bbca5e5b9e9478d28a23f90ec10f04d1fffdcdc02d31d099823ddd5f565190cce66d765b6aa751eedb8602152158461d0ec7ee70ce
- SSDEEP
  
  12288:AwkE/49/wO6mYNBcRdBwYEkh5mUSKijvvhddwO7zAS+s0i:jkEwV8NB2dBwYEkSbd/Nn0i
Score

10^/10

djvu vidar 623db25256a5734d1207787d269d05b2 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