General

  • Target

    92bc31661c534625e76e556cd500d3c28f2809b31ca0e5010c6139ecd177fbb4

  • Size

    800KB

  • Sample

    230820-rphzeafg67

  • MD5

    aa055c9b0492aea7fb1670e88197b867

  • SHA1

    9fb2a67ffd287ddf0c377fa8d0918005f8c0631d

  • SHA256

    92bc31661c534625e76e556cd500d3c28f2809b31ca0e5010c6139ecd177fbb4

  • SHA512

    b8f3cef71c3a7a2b93ded333b10aa3fcd79d4e509744c736a97a88149e013db7eebb68f155e5beb0c9a1f49bfcb1f247fb0bb10670e1fa488a043a3198849c2e

  • SSDEEP

    24576:sKnmPO+6ChvpvLmdDLaQzezJrvweDOYm2T:s+mmOhv5ad6QzooXYm

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jaoy

  • 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: 0764JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.2

Botnet

35aa2808fb90f9e9dac907e1be77f310

C2

https://t.me/odyssey_tg

https://steamcommunity.com/profiles/76561199541261200

Attributes
  • profile_id_v2

    35aa2808fb90f9e9dac907e1be77f310

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.30 (KHTML, like Gecko) Chrome/115.0.1.0 Safari/537.30

Targets

    • Target

      92bc31661c534625e76e556cd500d3c28f2809b31ca0e5010c6139ecd177fbb4

    • Size

      800KB

    • MD5

      aa055c9b0492aea7fb1670e88197b867

    • SHA1

      9fb2a67ffd287ddf0c377fa8d0918005f8c0631d

    • SHA256

      92bc31661c534625e76e556cd500d3c28f2809b31ca0e5010c6139ecd177fbb4

    • SHA512

      b8f3cef71c3a7a2b93ded333b10aa3fcd79d4e509744c736a97a88149e013db7eebb68f155e5beb0c9a1f49bfcb1f247fb0bb10670e1fa488a043a3198849c2e

    • SSDEEP

      24576:sKnmPO+6ChvpvLmdDLaQzezJrvweDOYm2T:s+mmOhv5ad6QzooXYm

    • 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