General

  • Target

    f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92

  • Size

    810KB

  • Sample

    220422-lc2yvsbfg3

  • MD5

    bc3210b08f03304be1a234b0cfb99508

  • SHA1

    61c6176fd7d5f5191dea00cbde85dc9f4aee1bb8

  • SHA256

    f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92

  • SHA512

    669e08088cb5c40452cf9436f59a23f4e78e8be750fb84740a5bd1b8382deecd4183aa22ef1168a6f12f2ab1f3f016b2e088511c267833820f4fd647b3d12c20

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

      f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92

    • Size

      810KB

    • MD5

      bc3210b08f03304be1a234b0cfb99508

    • SHA1

      61c6176fd7d5f5191dea00cbde85dc9f4aee1bb8

    • SHA256

      f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92

    • SHA512

      669e08088cb5c40452cf9436f59a23f4e78e8be750fb84740a5bd1b8382deecd4183aa22ef1168a6f12f2ab1f3f016b2e088511c267833820f4fd647b3d12c20

    • 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