General

  • Target

    d29db478165ee29211d42e82221364eddec08659cc399414e117923e7ff2a4a7

  • Size

    776KB

  • Sample

    230822-l12b8sbe56

  • MD5

    e84a9dfd4a57deb1b3d1dfe3f4e61152

  • SHA1

    b209256e973028c8dca772d30bddd9d97279d870

  • SHA256

    d29db478165ee29211d42e82221364eddec08659cc399414e117923e7ff2a4a7

  • SHA512

    f3bc1964d9785f0c1ea2f606f7f199057084c3fb436bb57b904d574b40129d11991fb7c99c0aafe4273681dd23aa69261b905cef8082091fc7444eed62e6f5b1

  • SSDEEP

    12288:dCsPFKjC7Micc1nS6UBz6rBFc1D+0ctiXGqo/f+QPl2mGsOnYfDGH4Hh2bg:dxFn7EINdrBikDiXx62gOnYfiHI2

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

      d29db478165ee29211d42e82221364eddec08659cc399414e117923e7ff2a4a7

    • Size

      776KB

    • MD5

      e84a9dfd4a57deb1b3d1dfe3f4e61152

    • SHA1

      b209256e973028c8dca772d30bddd9d97279d870

    • SHA256

      d29db478165ee29211d42e82221364eddec08659cc399414e117923e7ff2a4a7

    • SHA512

      f3bc1964d9785f0c1ea2f606f7f199057084c3fb436bb57b904d574b40129d11991fb7c99c0aafe4273681dd23aa69261b905cef8082091fc7444eed62e6f5b1

    • SSDEEP

      12288:dCsPFKjC7Micc1nS6UBz6rBFc1D+0ctiXGqo/f+QPl2mGsOnYfDGH4Hh2bg:dxFn7EINdrBikDiXx62gOnYfiHI2

    • 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