General

  • Target

    fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183

  • Size

    727KB

  • Sample

    220424-zxbt3aaae3

  • MD5

    c1f2a2837f5e2270efce9013ec092962

  • SHA1

    4a9c077f839d4119ad351f7a9494e645964e8427

  • SHA256

    fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183

  • SHA512

    ac45c3d85d4c1250cea2b8c6ba41fa3f6647815bd043bf3365fcb80936eadea1ae4ff61c38d75f0d1c00a42f3d7d605b9f70fd1c302d1e5b8dc3cce8cd55b2b0

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dmay

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183

    • Size

      727KB

    • MD5

      c1f2a2837f5e2270efce9013ec092962

    • SHA1

      4a9c077f839d4119ad351f7a9494e645964e8427

    • SHA256

      fec5d6496c8a48819af2d5751710271496c4185de666de0b4748e81cbb844183

    • SHA512

      ac45c3d85d4c1250cea2b8c6ba41fa3f6647815bd043bf3365fcb80936eadea1ae4ff61c38d75f0d1c00a42f3d7d605b9f70fd1c302d1e5b8dc3cce8cd55b2b0

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 v6

Tasks