djvu | b1dae79fdea61271afcad1d7a17ee76c75e2d48ea75383de873071955c851289

General

Target

b1dae79fdea61271afcad1d7a17ee76c75e2d48ea75383de873071955c851289
Size

734KB
Sample

230329-w3b58sba7t
MD5

707fdab14c5b9c2745d7559e9d15210e
SHA1

f7a3286fd8cb62061ef102afbb30953df8d8f638
SHA256

b1dae79fdea61271afcad1d7a17ee76c75e2d48ea75383de873071955c851289
SHA512

60313b299104ff01e595a0a038be3144d4c1a75e5932681bfd2700989914faebc4315d222b201616d5b2855181d85e732f806f9966eaff9a12a1fc45ac40d95f
SSDEEP

12288:Wic1iJJVuLJ6mNP9gT9JjUIhGjQHhgfotwibDoX+T7nW4X2yLMt+:WKH46hxJjUGyfotwSO+HnW4XEt

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
  
  b1dae79fdea61271afcad1d7a17ee76c75e2d48ea75383de873071955c851289
- Size
  
  734KB
- MD5
  
  707fdab14c5b9c2745d7559e9d15210e
- SHA1
  
  f7a3286fd8cb62061ef102afbb30953df8d8f638
- SHA256
  
  b1dae79fdea61271afcad1d7a17ee76c75e2d48ea75383de873071955c851289
- SHA512
  
  60313b299104ff01e595a0a038be3144d4c1a75e5932681bfd2700989914faebc4315d222b201616d5b2855181d85e732f806f9966eaff9a12a1fc45ac40d95f
- SSDEEP
  
  12288:Wic1iJJVuLJ6mNP9gT9JjUIhGjQHhgfotwibDoX+T7nW4X2yLMt+:WKH46hxJjUGyfotwSO+HnW4XEt
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
- 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