General

  • Target

    6cd4350a75a3d54dd722a55f4032d5a4b16ac53052774b12771d8a3af806097a

  • Size

    809KB

  • Sample

    220422-jce3zsfgdm

  • MD5

    44e87df82c3c3e9eebe563dc9a2f69aa

  • SHA1

    cc5e9e4552dd11a6faec1079de5a8bc44593ef91

  • SHA256

    6cd4350a75a3d54dd722a55f4032d5a4b16ac53052774b12771d8a3af806097a

  • SHA512

    c86a8804bb57d614a0ac797b51c8c5430fa43d1348b886f74e25a787f8b58be5917edaa994f0319550efaf45faf447fd5bbd0022b5ac36b68b2d782b886d07d6

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .msjd

  • 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: 0455JIjdm

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

      6cd4350a75a3d54dd722a55f4032d5a4b16ac53052774b12771d8a3af806097a

    • Size

      809KB

    • MD5

      44e87df82c3c3e9eebe563dc9a2f69aa

    • SHA1

      cc5e9e4552dd11a6faec1079de5a8bc44593ef91

    • SHA256

      6cd4350a75a3d54dd722a55f4032d5a4b16ac53052774b12771d8a3af806097a

    • SHA512

      c86a8804bb57d614a0ac797b51c8c5430fa43d1348b886f74e25a787f8b58be5917edaa994f0319550efaf45faf447fd5bbd0022b5ac36b68b2d782b886d07d6

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • 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