djvu | e4c24966d0b98ece4b8e21ecdb26556468feb3d2c7f7905ba15677bd8f0b9622

General

Target

e4c24966d0b98ece4b8e21ecdb26556468feb3d2c7f7905ba15677bd8f0b9622
Size

770KB
Sample

230604-vrz79ach23
MD5

6e5a0bb2767ca26f32df9f627350260c
SHA1

c9b357baf6919fe80887eb63addc81472ab24cf0
SHA256

e4c24966d0b98ece4b8e21ecdb26556468feb3d2c7f7905ba15677bd8f0b9622
SHA512

b15ba93488bfb75fdbe8bb1fe99a87e401cb969c5513c2a20933e672e1cc06c7e1677bdd937dac4ac67a1fc83f74d8643fa7785d111cee77c9776619fe9bee69
SSDEEP

12288:TCzyRr4izCs3FmeUvkSYdSTUeGXIB+3Sd7FOh0hboD9ZLBYws6XW:TC84iWsYnv/T842SRE09WW

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.nerz
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
payload_url
http://colisumy.com/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-vc50LyB2yb 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: 0722JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Targets

- Target
  
  e4c24966d0b98ece4b8e21ecdb26556468feb3d2c7f7905ba15677bd8f0b9622
- Size
  
  770KB
- MD5
  
  6e5a0bb2767ca26f32df9f627350260c
- SHA1
  
  c9b357baf6919fe80887eb63addc81472ab24cf0
- SHA256
  
  e4c24966d0b98ece4b8e21ecdb26556468feb3d2c7f7905ba15677bd8f0b9622
- SHA512
  
  b15ba93488bfb75fdbe8bb1fe99a87e401cb969c5513c2a20933e672e1cc06c7e1677bdd937dac4ac67a1fc83f74d8643fa7785d111cee77c9776619fe9bee69
- SSDEEP
  
  12288:TCzyRr4izCs3FmeUvkSYdSTUeGXIB+3Sd7FOh0hboD9ZLBYws6XW:TC84iWsYnv/T842SRE09WW
Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 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