General

  • Target

    575a383adb0a8355945d0bcfe4c8962291db5e10a7a8c6070589ed58ac53d945

  • Size

    809KB

  • Sample

    220422-26ey7ahac6

  • MD5

    ef41bbbf2928febf12073316931eec33

  • SHA1

    e655bf333f0f9aa517a2dd14480069f37ccf68b5

  • SHA256

    575a383adb0a8355945d0bcfe4c8962291db5e10a7a8c6070589ed58ac53d945

  • SHA512

    a8c50da1b07c8ef495c099604258d0b16b481fa49ee4f9eda26d393ea1c595b1ff0d733c6f46d5e941ae66cf618dd7f1d790e0525e510e93a17111beb2e40a5c

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

      575a383adb0a8355945d0bcfe4c8962291db5e10a7a8c6070589ed58ac53d945

    • Size

      809KB

    • MD5

      ef41bbbf2928febf12073316931eec33

    • SHA1

      e655bf333f0f9aa517a2dd14480069f37ccf68b5

    • SHA256

      575a383adb0a8355945d0bcfe4c8962291db5e10a7a8c6070589ed58ac53d945

    • SHA512

      a8c50da1b07c8ef495c099604258d0b16b481fa49ee4f9eda26d393ea1c595b1ff0d733c6f46d5e941ae66cf618dd7f1d790e0525e510e93a17111beb2e40a5c

    • 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