djvu | 78816a975302a0020b8e1c22859983071ae4879f1a853df7d8eccd4ccf4f7c93

General

Target

setup.exe
Size

695KB
Sample

230404-bndejacb43
MD5

4e8fedba50f6be62573ebeb599ea13c0
SHA1

f52d83237a9440a2a0078a08f394bff285a446b8
SHA256

78816a975302a0020b8e1c22859983071ae4879f1a853df7d8eccd4ccf4f7c93
SHA512

9991bfc37c08d2e13da1196d56513eeca834fc3d88f6bc49d158ed90294722ea3887c71204c7a2d871af7ecf525ff8b85e7eb17a225244b26192a48de55fa3ad
SSDEEP

12288:PpjL9Gaw51apQLzK7ZHyLTmVw+mEyxGvMNOEfann9YJy2oH0/yY7wepkPuRj:PpXMz5sQLzMZEgcGvMtfann+JyBU/y2B

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
  
  4e8fedba50f6be62573ebeb599ea13c0
- SHA1
  
  f52d83237a9440a2a0078a08f394bff285a446b8
- SHA256
  
  78816a975302a0020b8e1c22859983071ae4879f1a853df7d8eccd4ccf4f7c93
- SHA512
  
  9991bfc37c08d2e13da1196d56513eeca834fc3d88f6bc49d158ed90294722ea3887c71204c7a2d871af7ecf525ff8b85e7eb17a225244b26192a48de55fa3ad
- SSDEEP
  
  12288:PpjL9Gaw51apQLzK7ZHyLTmVw+mEyxGvMNOEfann9YJy2oH0/yY7wepkPuRj:PpXMz5sQLzMZEgcGvMtfann+JyBU/y2B
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