djvu | 2540399c4b3c4713903e9ec7f6d2519c8ed9319bf806706ab89815d970bb809c

General

Target

2540399c4b3c4713903e9ec7f6d2519c8ed9319bf806706ab89815d970bb809c
Size

804KB
Sample

230328-xrvnwacf78
MD5

9d69cdfc1f5d9676af94b2a78383a44d
SHA1

03170837ec10f4335c7415faaef6ed6b7f84b64f
SHA256

2540399c4b3c4713903e9ec7f6d2519c8ed9319bf806706ab89815d970bb809c
SHA512

42e441e6109cc2bf85f7649784d1ac89eaaed731dc418cf7057612ed7d7047488e841812b37d280c3d11f426f683a7865d78f6757d7f62d7c13eefdb1383e77c
SSDEEP

12288:714BirCQ91/gHhc1w5LOP7oBvTynF4QYTs1sl/J7KqM6Mz+rAGKva:6QrCQ91oHNLyoxy+i1EZKq/MqB

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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
  
  2540399c4b3c4713903e9ec7f6d2519c8ed9319bf806706ab89815d970bb809c
- Size
  
  804KB
- MD5
  
  9d69cdfc1f5d9676af94b2a78383a44d
- SHA1
  
  03170837ec10f4335c7415faaef6ed6b7f84b64f
- SHA256
  
  2540399c4b3c4713903e9ec7f6d2519c8ed9319bf806706ab89815d970bb809c
- SHA512
  
  42e441e6109cc2bf85f7649784d1ac89eaaed731dc418cf7057612ed7d7047488e841812b37d280c3d11f426f683a7865d78f6757d7f62d7c13eefdb1383e77c
- SSDEEP
  
  12288:714BirCQ91/gHhc1w5LOP7oBvTynF4QYTs1sl/J7KqM6Mz+rAGKva:6QrCQ91oHNLyoxy+i1EZKq/MqB
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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
- 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