djvu | 51efd2e59664b399247e895c7132a025023ce4848aa956a5785029c223f93dcc

General

Target

51efd2e59664b399247e895c7132a025023ce4848aa956a5785029c223f93dcc
Size

752KB
Sample

230402-kadyksfd63
MD5

938f6944c634a2f4449d7a06defa9743
SHA1

be08bd2c257ebd1bcebb04d7fa67070e4f10e64a
SHA256

51efd2e59664b399247e895c7132a025023ce4848aa956a5785029c223f93dcc
SHA512

cd4074324a03182501d3f07f27b48b4a7592471cee709f049294b5767ad5daac077e2deef46c2a01e1238cd7bf8707f388a6fd6d2f732c442d4063c6c9d87402
SSDEEP

12288:WWPYEfycvBeT/hCXGc0LCkZdSZfazE3uwX7Uy6grC7IPbvhv+D2vX3GaUk7WdInX:+EfycJeT5CXGcuSfmE3u1GrC7shmoX2Q

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
  
  51efd2e59664b399247e895c7132a025023ce4848aa956a5785029c223f93dcc
- Size
  
  752KB
- MD5
  
  938f6944c634a2f4449d7a06defa9743
- SHA1
  
  be08bd2c257ebd1bcebb04d7fa67070e4f10e64a
- SHA256
  
  51efd2e59664b399247e895c7132a025023ce4848aa956a5785029c223f93dcc
- SHA512
  
  cd4074324a03182501d3f07f27b48b4a7592471cee709f049294b5767ad5daac077e2deef46c2a01e1238cd7bf8707f388a6fd6d2f732c442d4063c6c9d87402
- SSDEEP
  
  12288:WWPYEfycvBeT/hCXGc0LCkZdSZfazE3uwX7Uy6grC7IPbvhv+D2vX3GaUk7WdInX:+EfycJeT5CXGcuSfmE3u1GrC7shmoX2Q
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