General

  • Target

    4c9364d04445751104e4ec498bcab209146106b10c82492b6eb16b21a4760d59

  • Size

    783KB

  • Sample

    220422-bhbnraacc3

  • MD5

    3eb982b6fef01e6f28ac56361a73dc8c

  • SHA1

    23791c0fd3a7038cee23cdcd8b151322880146e1

  • SHA256

    4c9364d04445751104e4ec498bcab209146106b10c82492b6eb16b21a4760d59

  • SHA512

    f9bb58fd1e919bd7e803cbd8e33c73bdc9d88e2f83741e5c59f1025da745b9a38028b143cb7c1c4851aa41234bc3a5b223c85e9fcca0819b983f72508653c8bc

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

      4c9364d04445751104e4ec498bcab209146106b10c82492b6eb16b21a4760d59

    • Size

      783KB

    • MD5

      3eb982b6fef01e6f28ac56361a73dc8c

    • SHA1

      23791c0fd3a7038cee23cdcd8b151322880146e1

    • SHA256

      4c9364d04445751104e4ec498bcab209146106b10c82492b6eb16b21a4760d59

    • SHA512

      f9bb58fd1e919bd7e803cbd8e33c73bdc9d88e2f83741e5c59f1025da745b9a38028b143cb7c1c4851aa41234bc3a5b223c85e9fcca0819b983f72508653c8bc

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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