djvu | 7fe21ce736d4d901791399487efc9db00a2e75ec7e6d59bf9c74a0e26bf3e0c1

General

Target

01226899.exe
Size

785KB
Sample

230609-hwgkgsbc76
MD5

9983118a63a5839e2dc47a34a9b1f7cc
SHA1

7c2d5588031ff180943034a71fcf416e851ac498
SHA256

7fe21ce736d4d901791399487efc9db00a2e75ec7e6d59bf9c74a0e26bf3e0c1
SHA512

88665c909a15b7e857cf6e390901347879dd5bf1dfdb2a9a663cc4e543561354501e0b794d83eaa60b5401ea552391acbb671bb2af46c46413ed3a666f67dc32
SSDEEP

12288:Uv/o3GdCcCQ7GFBQjInOUpqynH/TQSm8o7J05dnqOx9vQ7vbjHB8zTLy:UvuGdC3j7ZOYfzuW5dq02hwTLy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nerz
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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

4.2

Botnet

a81bcf59d85e6e13257840e65b9d1da8

C2

https://steamcommunity.com/profiles/76561199511129510

https://t.me/rechnungsbetrag

Attributes

profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75

Targets

- Target
  
  01226899.exe
- Size
  
  785KB
- MD5
  
  9983118a63a5839e2dc47a34a9b1f7cc
- SHA1
  
  7c2d5588031ff180943034a71fcf416e851ac498
- SHA256
  
  7fe21ce736d4d901791399487efc9db00a2e75ec7e6d59bf9c74a0e26bf3e0c1
- SHA512
  
  88665c909a15b7e857cf6e390901347879dd5bf1dfdb2a9a663cc4e543561354501e0b794d83eaa60b5401ea552391acbb671bb2af46c46413ed3a666f67dc32
- SSDEEP
  
  12288:Uv/o3GdCcCQ7GFBQjInOUpqynH/TQSm8o7J05dnqOx9vQ7vbjHB8zTLy:UvuGdC3j7ZOYfzuW5dq02hwTLy
Score

10^/10

djvu vidar a81bcf59d85e6e13257840e65b9d1da8 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 behavioral2