djvu | 6ddfc497d6820a9d69bbf6e4b63f2e1011da87479fa89392d983eef3437bb907

General

Target

file.exe
Size

741KB
Sample

231019-tshh6aha3w
MD5

c8757716d8d48419fc0568a644f4e704
SHA1

49695c93ec920e6c51e7cf24d871e3447e75838c
SHA256

6ddfc497d6820a9d69bbf6e4b63f2e1011da87479fa89392d983eef3437bb907
SHA512

11e472be51f3bc4f854c97ec73853016cda552fa0f9794cdb0c650782bf943f50a3efb9051f525fc543c67cff558c2f85e75f72ba159b8d112d178d0bfee4e4d
SSDEEP

12288:vFUm/F4/PXPWUvPNEdzHyZ2O6picdBYNwMPuFhYaBpE+:vFpF4//OUnNEQZOp9uwMPuF+SpE

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.itrz
offline_id
9FgVtzPuDnE9NZWeLG9q9D2SjzVyIqJJ4jFNKXt1
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

6.1

Botnet

13088c19c5a97b42d0d1d9573cc9f1b8

C2

https://steamcommunity.com/profiles/76561199563297648

https://t.me/twowheelfun

Attributes

profile_id_v2
13088c19c5a97b42d0d1d9573cc9f1b8
user_agent
Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15

Targets

- Target
  
  file.exe
- Size
  
  741KB
- MD5
  
  c8757716d8d48419fc0568a644f4e704
- SHA1
  
  49695c93ec920e6c51e7cf24d871e3447e75838c
- SHA256
  
  6ddfc497d6820a9d69bbf6e4b63f2e1011da87479fa89392d983eef3437bb907
- SHA512
  
  11e472be51f3bc4f854c97ec73853016cda552fa0f9794cdb0c650782bf943f50a3efb9051f525fc543c67cff558c2f85e75f72ba159b8d112d178d0bfee4e4d
- SSDEEP
  
  12288:vFUm/F4/PXPWUvPNEdzHyZ2O6picdBYNwMPuFhYaBpE+:vFpF4//OUnNEQZOp9uwMPuF+SpE
Score

10^/10

djvu vidar 13088c19c5a97b42d0d1d9573cc9f1b8 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
- 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