djvu | b5785371bb383b226b2e8a6a4c03198ec85e07250817f5199642f4ce7107d175

General

Target

b5785371bb383b226b2e8a6a4c03198ec85e07250817f5199642f4ce7107d175
Size

749KB
Sample

230329-tw2q7saf6v
MD5

41c2e6a9aedab7b3015ada13c70a5673
SHA1

62a1c491c10e64d730ad4f589855d8478f017251
SHA256

b5785371bb383b226b2e8a6a4c03198ec85e07250817f5199642f4ce7107d175
SHA512

928bc60298c950e9d81316a0dc17914a681838525700740043cf60c1dbc6450b7ef08a4cff32fa9137d6ac345c4f84115dbcd4cc3f9209c7f880b8143c3d9aca
SSDEEP

12288:Dun9BYl6RKLtnA/K9fwaf9xOj+qMm2GX66g3rBo2S6eW0hGlYsXntFvpyP:DdlfLwKmex8lBDg7G3NWfntF

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
  
  b5785371bb383b226b2e8a6a4c03198ec85e07250817f5199642f4ce7107d175
- Size
  
  749KB
- MD5
  
  41c2e6a9aedab7b3015ada13c70a5673
- SHA1
  
  62a1c491c10e64d730ad4f589855d8478f017251
- SHA256
  
  b5785371bb383b226b2e8a6a4c03198ec85e07250817f5199642f4ce7107d175
- SHA512
  
  928bc60298c950e9d81316a0dc17914a681838525700740043cf60c1dbc6450b7ef08a4cff32fa9137d6ac345c4f84115dbcd4cc3f9209c7f880b8143c3d9aca
- SSDEEP
  
  12288:Dun9BYl6RKLtnA/K9fwaf9xOj+qMm2GX66g3rBo2S6eW0hGlYsXntFvpyP:DdlfLwKmex8lBDg7G3NWfntF
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