djvu | 018815b934609923127b3fb9e45529f77a8f99ab8a80023b2e466c965c792987

General

Target

018815b934609923127b3fb9e45529f77a8f99ab8a80023b2e466c965c792987
Size

752KB
Sample

230402-jfss9age71
MD5

e83fa7216ad97a8c6df8a71840c02ece
SHA1

ea2761426700fd50bb2328f46f3d8e929d26d62d
SHA256

018815b934609923127b3fb9e45529f77a8f99ab8a80023b2e466c965c792987
SHA512

7a5e59b0407f1e0e4b5513bb3b35b7c2dffe2f21e7a3381482d21d77823c6724e04faff2bf220d235aeb8b2d08fafc4fcab5ebed0996d3bcf9e8d7de842e3453
SSDEEP

12288:gui0RUDK8eLQ65cfRSS1oM1UjwfGQmt7X7pqVqioAVaA5DcLW4ckbQPDLQYyUip:guWDK8+KICoZC0t7lqVrh5De8kb4yn

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
  
  018815b934609923127b3fb9e45529f77a8f99ab8a80023b2e466c965c792987
- Size
  
  752KB
- MD5
  
  e83fa7216ad97a8c6df8a71840c02ece
- SHA1
  
  ea2761426700fd50bb2328f46f3d8e929d26d62d
- SHA256
  
  018815b934609923127b3fb9e45529f77a8f99ab8a80023b2e466c965c792987
- SHA512
  
  7a5e59b0407f1e0e4b5513bb3b35b7c2dffe2f21e7a3381482d21d77823c6724e04faff2bf220d235aeb8b2d08fafc4fcab5ebed0996d3bcf9e8d7de842e3453
- SSDEEP
  
  12288:gui0RUDK8eLQ65cfRSS1oM1UjwfGQmt7X7pqVqioAVaA5DcLW4ckbQPDLQYyUip:guWDK8+KICoZC0t7lqVrh5De8kb4yn
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