djvu | a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b

General

Target

a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
Size

762KB
Sample

231012-p94qhadb68
MD5

e52b10352bd30c9049ca0e5ed4ecb503
SHA1

be77f129b5edca05325c2e97ce867b240b0575d2
SHA256

a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
SHA512

dfab29ac691fde82c883ffea9b70524e2b3080652a7a08302fa409086692afbd730e0f9c4be9ba0f90056959e8b4ab276e632ab8e0a605004ce5a009de1ef440
SSDEEP

12288:7uoGGoVjpfbnbX2RsQFAL6ibPp3gpflLPEeOOaZ:7IGgpzbsAL68hcTOO

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.wwty
offline_id
LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1
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

Botnet

d37c48c18c73cc0e155c7e1dfde06db9

C2

https://steamcommunity.com/profiles/76561199560322242

https://t.me/cahalgo

Attributes

profile_id_v2
d37c48c18c73cc0e155c7e1dfde06db9
user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq

Targets

- Target
  
  a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
- Size
  
  762KB
- MD5
  
  e52b10352bd30c9049ca0e5ed4ecb503
- SHA1
  
  be77f129b5edca05325c2e97ce867b240b0575d2
- SHA256
  
  a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
- SHA512
  
  dfab29ac691fde82c883ffea9b70524e2b3080652a7a08302fa409086692afbd730e0f9c4be9ba0f90056959e8b4ab276e632ab8e0a605004ce5a009de1ef440
- SSDEEP
  
  12288:7uoGGoVjpfbnbX2RsQFAL6ibPp3gpflLPEeOOaZ:7IGgpzbsAL68hcTOO
Score

10^/10

djvu vidar d37c48c18c73cc0e155c7e1dfde06db9 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