djvu | f54537cda79144eb3b08d53a0d7de3512a4160d549b4141bec841c23b2f5db77

General

Target

f54537cda79144eb3b08d53a0d7de3512a4160d549b4141bec841c23b2f5db77
Size

734KB
Sample

230330-jlj4asbe83
MD5

516f79fab5bbc95fb63343b986b4cd8b
SHA1

6a84139d8c1de9f802f00684ccd8ec04ed9a34df
SHA256

f54537cda79144eb3b08d53a0d7de3512a4160d549b4141bec841c23b2f5db77
SHA512

ba2d1ba3fd37596c5c4151cf8a435c47bcf8527ebcfe0de9480666fa55ee00be0a8b7d831a526209ec56bb4e27e9d211a15192a545e0c881e0a79a67663524ca
SSDEEP

12288:0z83KjZ3uUdsdIqEfUUYm6gKf9Ei+qZS0xXqFnfekr2vB/vMMsd4pC:SpI166gK3LGNmX/vzsD

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jyos
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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-fkW8qLaCVQ 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: 0677JOsie

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
  
  f54537cda79144eb3b08d53a0d7de3512a4160d549b4141bec841c23b2f5db77
- Size
  
  734KB
- MD5
  
  516f79fab5bbc95fb63343b986b4cd8b
- SHA1
  
  6a84139d8c1de9f802f00684ccd8ec04ed9a34df
- SHA256
  
  f54537cda79144eb3b08d53a0d7de3512a4160d549b4141bec841c23b2f5db77
- SHA512
  
  ba2d1ba3fd37596c5c4151cf8a435c47bcf8527ebcfe0de9480666fa55ee00be0a8b7d831a526209ec56bb4e27e9d211a15192a545e0c881e0a79a67663524ca
- SSDEEP
  
  12288:0z83KjZ3uUdsdIqEfUUYm6gKf9Ei+qZS0xXqFnfekr2vB/vMMsd4pC:SpI166gK3LGNmX/vzsD
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
- 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