djvu | a142fb44ca09d102ddf76868446554c508853b968318220451af37885a01403c

General

Target

a142fb44ca09d102ddf76868446554c508853b968318220451af37885a01403c
Size

759KB
Sample

230331-3bwtwsff6z
MD5

d92fdf68cfaba2824291b57e3206c672
SHA1

1629ff8717d8897e45863262897c48e1ea5fa8ec
SHA256

a142fb44ca09d102ddf76868446554c508853b968318220451af37885a01403c
SHA512

081383ed7d97b03d4926885812e549f3c93d7b949410ce76908d65bf0c75b5af35e3957c03fc7612944a8c2aaecf80c72c47a1771a4d2a17c76453924e1ab3f6
SSDEEP

12288:qqfFqeH1umXo8Om/ys+UAvnOkNNkH+L8ZD7B1iYLS77L:qr4uv8OMys6G6KYST0

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
  
  a142fb44ca09d102ddf76868446554c508853b968318220451af37885a01403c
- Size
  
  759KB
- MD5
  
  d92fdf68cfaba2824291b57e3206c672
- SHA1
  
  1629ff8717d8897e45863262897c48e1ea5fa8ec
- SHA256
  
  a142fb44ca09d102ddf76868446554c508853b968318220451af37885a01403c
- SHA512
  
  081383ed7d97b03d4926885812e549f3c93d7b949410ce76908d65bf0c75b5af35e3957c03fc7612944a8c2aaecf80c72c47a1771a4d2a17c76453924e1ab3f6
- SSDEEP
  
  12288:qqfFqeH1umXo8Om/ys+UAvnOkNNkH+L8ZD7B1iYLS77L:qr4uv8OMys6G6KYST0
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