djvu | bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97

General

Target

setup.exe
Size

695KB
Sample

230404-bjdvhadh5v
MD5

76b6cd8b88a7ee8453cfc3deb30fbd42
SHA1

d1f27d9795a8892c804e6c58b97594851ef59695
SHA256

bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97
SHA512

6069e0652066fab657ebe6545f3737f72baa589b8e7e617410b9f87a21e1d79d779fb6e3892d3d233cffd2c9fed57be0b72934cc179e42e1e5cb4fc1ee7b5d93
SSDEEP

12288:ppjL1RreLV4ff8AhY9+c7/ZpIPdVIK50clwTjQQ5DLiIj:p9LeLVcfNh7c7x2MMTQRL

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  setup.exe
- Size
  
  695KB
- MD5
  
  76b6cd8b88a7ee8453cfc3deb30fbd42
- SHA1
  
  d1f27d9795a8892c804e6c58b97594851ef59695
- SHA256
  
  bd891401a7a966a3c5c35f9e6c6c48a27a45d7690c3969c7517e0acc868eda97
- SHA512
  
  6069e0652066fab657ebe6545f3737f72baa589b8e7e617410b9f87a21e1d79d779fb6e3892d3d233cffd2c9fed57be0b72934cc179e42e1e5cb4fc1ee7b5d93
- SSDEEP
  
  12288:ppjL1RreLV4ff8AhY9+c7/ZpIPdVIK50clwTjQQ5DLiIj:p9LeLVcfNh7c7x2MMTQRL
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware stealer spyware
- 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