djvu | bb340f0862a537d87dccb063316c0ed44b5322cbe92789690b78c75cc55a2b15

General

Target

1.bin.zip
Size

643KB
Sample

230425-v4cbysbh73
MD5

900c5a8f4afb3473c9dac0f984d746f4
SHA1

00dadacc6119c3e8ccdbe4477da2452d06e8a992
SHA256

bb340f0862a537d87dccb063316c0ed44b5322cbe92789690b78c75cc55a2b15
SHA512

c68a85e90f3122c4205e39ca1a67cbe6deec84dca29897128e16e78d7225c1a2b476f453f9d010a837c1e2cffbe71c502903ec308b3c2a81cf28c1df100ea725
SSDEEP

12288:xoEb6BnTShtA9RPUqYPN51HayoFNMMMjGdwzchsBZoT/:2v2G9RsqYPN51HaKMMjngUoT/

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.coty
offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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-EPBZCVAS8s 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: 0692JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.6

Botnet

5cb879265de0011bfc7588d5d251aee6

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes

profile_id_v2
5cb879265de0011bfc7588d5d251aee6
user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Targets

- Target
  
  1.bin
- Size
  
  736KB
- MD5
  
  4872c0e14ae125ce55a56ad676cdd817
- SHA1
  
  ae7e6e7eaba5fa01f61894260760c24db2f6d113
- SHA256
  
  a0949e123bd29e40b76ecddf81a8958a861257cb5c325c644d04da31d6304dad
- SHA512
  
  cb948d6001c9bdcbec0838d0ce48f651872aeec023958df443b14694ca9a6befbac723bf62d27afdbf5907b7e7582e6ae80bf424287c50ccb7da012cc2715912
- SSDEEP
  
  12288:+a4xPCI6n8EgPyPqAz9VLPLMfTLrrz0qdKCaV4sf9JdLVjO+vy1Z:+a4Q9gPoqg9JPuTrzXobnLVCPX
Score

10^/10

djvu vidar 5cb879265de0011bfc7588d5d251aee6 discovery persistence ransomware stealer spyware
- 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