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
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-v8HcfXTy5x Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0679SUjhw

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