djvu | e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce

General

Target

file.exe
Size

779KB
Sample

230605-bax7saeh51
MD5

2c672083cd017a7b9d144cc4d7023be9
SHA1

c919b7257efc8b55066c69abf22ba1176d8fa94c
SHA256

e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce
SHA512

98dbed105d1043b2605839f0e3840b82cf34823d931b3adae9853b76614f9ebc839e760cc19aa31029dc7605a64bb2b8d15cc6e82b4a87ccc180d185811800e1
SSDEEP

24576:dZIrvnjQEMFjPelfkXsl4YHOZGgOnblTv:dZIrf0EMMl8clNOZGgOnB

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

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Targets

- Target
  
  file.exe
- Size
  
  779KB
- MD5
  
  2c672083cd017a7b9d144cc4d7023be9
- SHA1
  
  c919b7257efc8b55066c69abf22ba1176d8fa94c
- SHA256
  
  e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce
- SHA512
  
  98dbed105d1043b2605839f0e3840b82cf34823d931b3adae9853b76614f9ebc839e760cc19aa31029dc7605a64bb2b8d15cc6e82b4a87ccc180d185811800e1
- SSDEEP
  
  24576:dZIrvnjQEMFjPelfkXsl4YHOZGgOnblTv:dZIrf0EMMl8clNOZGgOnB
Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 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