djvu | fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3

General

Target

fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3
Size

731KB
Sample

230321-nz2byscb2z
MD5

86cccc2b4fe5302cd5316119091d41df
SHA1

cd377fa3dacf402d1d11f2025adb0b2cb821bfb5
SHA256

fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3
SHA512

6727b0f26657597db705b4ec6e4a198d6b6549456f587e5ccef47394984efbc18953a9c16d511c6213cad159cd62174a9c0eec0fcfc8b57a6872f6e951642085
SSDEEP

12288:PHbbFUZAist8aYn7Zktw4Q3z6mfGbEVg0b79KYX44Kodc/e6/bTlNnpIQKN:/e63YC6j6Nbe3pKx0Cn/flfIQK

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.dapo
offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

�$�$

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

- Target
  
  fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3
- Size
  
  731KB
- MD5
  
  86cccc2b4fe5302cd5316119091d41df
- SHA1
  
  cd377fa3dacf402d1d11f2025adb0b2cb821bfb5
- SHA256
  
  fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3
- SHA512
  
  6727b0f26657597db705b4ec6e4a198d6b6549456f587e5ccef47394984efbc18953a9c16d511c6213cad159cd62174a9c0eec0fcfc8b57a6872f6e951642085
- SSDEEP
  
  12288:PHbbFUZAist8aYn7Zktw4Q3z6mfGbEVg0b79KYX44Kodc/e6/bTlNnpIQKN:/e63YC6j6Nbe3pKx0Cn/flfIQK
Score

10^/10

djvu vidar 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