djvu | f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388

General

Target

f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388
Size

764KB
Sample

230720-ae7fkscd3w
MD5

96eeb9f76357a5f8476738ba26fa1786
SHA1

4722735656d3b8c6fb2495d07b5220b5544d8814
SHA256

f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388
SHA512

c590770cf580ededbcf940df41ffd4c7c7c865438c8406bb0776a44f8d48895b35d612e238f659e0c75eaa52044d9a9345cd165770200c356ede1699e1259189
SSDEEP

12288:4K1GfEsffnJY6AI9cBhOPgwFA7O/bfX59wB+f99o55nl:4K1GxXnJyUIWHK+fA/

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.miza
offline_id
1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1
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
  
  f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388
- Size
  
  764KB
- MD5
  
  96eeb9f76357a5f8476738ba26fa1786
- SHA1
  
  4722735656d3b8c6fb2495d07b5220b5544d8814
- SHA256
  
  f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388
- SHA512
  
  c590770cf580ededbcf940df41ffd4c7c7c865438c8406bb0776a44f8d48895b35d612e238f659e0c75eaa52044d9a9345cd165770200c356ede1699e1259189
- SSDEEP
  
  12288:4K1GfEsffnJY6AI9cBhOPgwFA7O/bfX59wB+f99o55nl:4K1GxXnJyUIWHK+fA/
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
- 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