djvu | c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1

General

Target

setup.exe
Size

716KB
Sample

230324-brtkxsdd21
MD5

b9d1129b10cb7833fc7ce9030a421b4e
SHA1

15eba569d6ea0136016b6b728a1678f922fb3008
SHA256

c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1
SHA512

73a7758220a1d8f5159b9ac55f50284be1e5468642ea424a6179f22b7f59d95a5389be523da34dc7364f1bf813b22fe6af77747818d08083687ac45b9dce1a85
SSDEEP

12288:si0psrwjmw+Q/6PrgR5plm3H6bezkaZ5a6wBZZm6kxMYeHvqN5:dSnyQ/6PERIKbeztZ5azFnkx3eHQ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tywd
offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
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

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes

profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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
  
  716KB
- MD5
  
  b9d1129b10cb7833fc7ce9030a421b4e
- SHA1
  
  15eba569d6ea0136016b6b728a1678f922fb3008
- SHA256
  
  c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1
- SHA512
  
  73a7758220a1d8f5159b9ac55f50284be1e5468642ea424a6179f22b7f59d95a5389be523da34dc7364f1bf813b22fe6af77747818d08083687ac45b9dce1a85
- SSDEEP
  
  12288:si0psrwjmw+Q/6PrgR5plm3H6bezkaZ5a6wBZZm6kxMYeHvqN5:dSnyQ/6PERIKbeztZ5azFnkx3eHQ
Score

10^/10

djvu vidar 00d92484c9b27bc8482a2cc94cacc508 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