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General

  • Target

    9a5e750fb41881f61bbc3dae5f6b54add4c145445198d60e88ab3e903544996c

  • Size

    754KB

  • Sample

    230823-s8tqpade52

  • MD5

    233f552822baa04d7e1b7f90b3814715

  • SHA1

    07ed426b27dba030441132031ac7b3cc47911271

  • SHA256

    9a5e750fb41881f61bbc3dae5f6b54add4c145445198d60e88ab3e903544996c

  • SHA512

    502c1810bfcfc219ee53ecac1a78b6127231cd1e8897beb26529db25497f4c2636a77c9327cad84a71058a27617b7925bc2c63a193f8cf665febdddc6e29ab91

  • SSDEEP

    12288:I8PnzhpwwNT6yEDQlVJ2kRVJqlpzJW4DNkBajKOlOWxV1cq9nloNXrjlnDs:I0z75N1h/fJqD7oTKvlcyyrjlnD

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jasa

  • offline_id

    umIwyPwiSJOJvBcdwrWXqzHWO4ar4za6seqWE2t1

  • 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-41jgkAwnmH 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: 0762JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.3

Botnet

562ce294a991b18054802a17b24ce0f9

C2

https://t.me/buukcay

https://steamcommunity.com/profiles/76561199544211655

Attributes
  • profile_id_v2

    562ce294a991b18054802a17b24ce0f9

Targets

    • Target

      9a5e750fb41881f61bbc3dae5f6b54add4c145445198d60e88ab3e903544996c

    • Size

      754KB

    • MD5

      233f552822baa04d7e1b7f90b3814715

    • SHA1

      07ed426b27dba030441132031ac7b3cc47911271

    • SHA256

      9a5e750fb41881f61bbc3dae5f6b54add4c145445198d60e88ab3e903544996c

    • SHA512

      502c1810bfcfc219ee53ecac1a78b6127231cd1e8897beb26529db25497f4c2636a77c9327cad84a71058a27617b7925bc2c63a193f8cf665febdddc6e29ab91

    • SSDEEP

      12288:I8PnzhpwwNT6yEDQlVJ2kRVJqlpzJW4DNkBajKOlOWxV1cq9nloNXrjlnDs:I0z75N1h/fJqD7oTKvlcyyrjlnD

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks