djvu | 4508315afa5a2461865c23411c52b5a7c25bb4d4ee93b7263cb4743b83594344

General

Target

4508315afa5a2461865c23411c52b5a7c25bb4d4ee93b7263cb4743b83594344
Size

733KB
Sample

230330-x7rbdsfd7x
MD5

b2f76597a717df82ef430eed2b2d34cc
SHA1

08053eec52f3653aab52daa309f7adad19e5ebe6
SHA256

4508315afa5a2461865c23411c52b5a7c25bb4d4ee93b7263cb4743b83594344
SHA512

35ae31cbd07e08d84e2d2bbe11f81161d6eeda66a844f917ff781f6f3f850ef32e89f70f74c301c4fe459525052da4733c6f7ebc32410867c2082cc839793d61
SSDEEP

12288:lc06HvSzTa0QCj37AZ21msJnUaiP9ZxzOnqNXphCwtbELNR1XsiQt03mtHJ05BK0:OsX7MiRW9bSnqBpCQincUB

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.jycx
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
  
  4508315afa5a2461865c23411c52b5a7c25bb4d4ee93b7263cb4743b83594344
- Size
  
  733KB
- MD5
  
  b2f76597a717df82ef430eed2b2d34cc
- SHA1
  
  08053eec52f3653aab52daa309f7adad19e5ebe6
- SHA256
  
  4508315afa5a2461865c23411c52b5a7c25bb4d4ee93b7263cb4743b83594344
- SHA512
  
  35ae31cbd07e08d84e2d2bbe11f81161d6eeda66a844f917ff781f6f3f850ef32e89f70f74c301c4fe459525052da4733c6f7ebc32410867c2082cc839793d61
- SSDEEP
  
  12288:lc06HvSzTa0QCj37AZ21msJnUaiP9ZxzOnqNXphCwtbELNR1XsiQt03mtHJ05BK0:OsX7MiRW9bSnqBpCQincUB
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