djvu | 49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8

General

Target

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8
Size

750KB
Sample

230606-ffbm7acf5s
MD5

85ed24cbf6a15f2643c3fcd2a7171759
SHA1

d8357c6b2620f2f3695409bf6b650e84eebed0d7
SHA256

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8
SHA512

2c248c6f6b5eb6231817f24839d5e4d23c96ffe096b07f3795900ecd7cc5d0e568b51c630b105286dd0a714b88688b2ab1d9e974c704faec430209eeafdc376e
SSDEEP

12288:X5PG9M5//MIpGA7SsJ9hXKc4Q/h0JwRB1o1cwcKuFzM2aetUHymN:X5PB/McGbsJnX/4QZy0B1oqwzKgeeH

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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc 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
  
  49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8
- Size
  
  750KB
- MD5
  
  85ed24cbf6a15f2643c3fcd2a7171759
- SHA1
  
  d8357c6b2620f2f3695409bf6b650e84eebed0d7
- SHA256
  
  49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8
- SHA512
  
  2c248c6f6b5eb6231817f24839d5e4d23c96ffe096b07f3795900ecd7cc5d0e568b51c630b105286dd0a714b88688b2ab1d9e974c704faec430209eeafdc376e
- SSDEEP
  
  12288:X5PG9M5//MIpGA7SsJ9hXKc4Q/h0JwRB1o1cwcKuFzM2aetUHymN:X5PB/McGbsJnX/4QZy0B1oqwzKgeeH
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