djvu | f4abc075cc93b14dd41c83975c321e7de8d1eafbffef393ace96dec04709d04f

General

Target

2aafb741be724664d8ae79cf79426823.bin
Size

683KB
Sample

230613-bdcegseh2x
MD5

3ce1e832ca3bd141cbc0c8ae50ca4ac7
SHA1

0b831c3958e84eaaca34b47996f417b0e3f6a8e3
SHA256

f4abc075cc93b14dd41c83975c321e7de8d1eafbffef393ace96dec04709d04f
SHA512

6fb8a6ab72d4ac99c42066331ae651e36a449d6d4d297d34cfcbda3f6a298a93c4c29f46c9435b6f1ddab0b5abe62fd7ad59ddd4be002b7eef7bed2dcd688e5a
SSDEEP

12288:qzmOCXXR6q1fJKResgaQzKnxZI5tj7JduAno+r0uP+K83eZpSBC6AA:4uXXRhJKResHQGnQ77JsQordl3eZQBCQ

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

4.2

Botnet

a81bcf59d85e6e13257840e65b9d1da8

C2

https://steamcommunity.com/profiles/76561199511129510

https://t.me/rechnungsbetrag

Attributes

profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75

Targets

- Target
  
  2bb69d10c71e28bbb51a7f6d261ee78b31c289abef0fdb8af28d6c7b4de5f5cc.exe
- Size
  
  833KB
- MD5
  
  2aafb741be724664d8ae79cf79426823
- SHA1
  
  d0b521d460be744e0dfee41a16e7ca59a99e5d66
- SHA256
  
  2bb69d10c71e28bbb51a7f6d261ee78b31c289abef0fdb8af28d6c7b4de5f5cc
- SHA512
  
  03054b12e4d21de5dd7bc4b64e5bab46c28704bd099196ed6c81e5bc912d1081867d09a2a4d5bba6eb378710f1d53cfd5b3b8a57e2db9e4ee6e31d71993db934
- SSDEEP
  
  12288:uUJdPGDxdEsp1HW2I6smfTrPAnkoHw8qfFW5Wc8jG5XJZ8pnyi57LRUHIAghxa:uUJmgs/HWOrPakoQ8yElUXLRUHIAg6
Score

10^/10

djvu discovery persistence ransomware vidar a81bcf59d85e6e13257840e65b9d1da8 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 behavioral2