djvu | 03938e12ef56bc2a6cc6ccc91dbe25773e2dda787b9404ca2f07a96420978e4b

General

Target

03938e12ef56bc2a6cc6ccc91dbe25773e2dda787b9404ca2f07a96420978e4b
Size

751KB
Sample

230402-wr7srsba7t
MD5

dc97009e9edf1108d56c15c8c81d9f0c
SHA1

48960b7e83ce309538b05139641e8e02094fcfad
SHA256

03938e12ef56bc2a6cc6ccc91dbe25773e2dda787b9404ca2f07a96420978e4b
SHA512

3642253af7221bc3d6e78a72f7b00438ef40d2ceb77f1a1df2d0d0a9b3b0aa80e8f5f2449bcff6843151b908c89719ec432cfe90afdfff6ba23f8c0041813423
SSDEEP

12288:Ql8041kzEttSXs06/20l1Vf1ghev5nrGfoVZ1lpLcZHum9hGt:041LttOstP88hn6elVcZHum9hGt

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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
  
  03938e12ef56bc2a6cc6ccc91dbe25773e2dda787b9404ca2f07a96420978e4b
- Size
  
  751KB
- MD5
  
  dc97009e9edf1108d56c15c8c81d9f0c
- SHA1
  
  48960b7e83ce309538b05139641e8e02094fcfad
- SHA256
  
  03938e12ef56bc2a6cc6ccc91dbe25773e2dda787b9404ca2f07a96420978e4b
- SHA512
  
  3642253af7221bc3d6e78a72f7b00438ef40d2ceb77f1a1df2d0d0a9b3b0aa80e8f5f2449bcff6843151b908c89719ec432cfe90afdfff6ba23f8c0041813423
- SSDEEP
  
  12288:Ql8041kzEttSXs06/20l1Vf1ghev5nrGfoVZ1lpLcZHum9hGt:041LttOstP88hn6elVcZHum9hGt
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