General

  • Target

    e4906d8a9bcbe1588a194468926c5bc8c107f97c770fce71f578f2874a499cc9

  • Size

    809KB

  • Sample

    220422-xg69xsbddn

  • MD5

    c729291d8eee887f25b1e5e7ecc5eba0

  • SHA1

    af86bc7d4a294e97a0c98b7f4986921d6ced5a18

  • SHA256

    e4906d8a9bcbe1588a194468926c5bc8c107f97c770fce71f578f2874a499cc9

  • SHA512

    75a53d1a4fcfb484f25b7cb77e2b13a067129e5d3dcbe16fd1a18c4b1dcec23c1af0ca451fb449d7af7b3637f038c4b8e9f3b4385778087e02921347546704cf

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

      e4906d8a9bcbe1588a194468926c5bc8c107f97c770fce71f578f2874a499cc9

    • Size

      809KB

    • MD5

      c729291d8eee887f25b1e5e7ecc5eba0

    • SHA1

      af86bc7d4a294e97a0c98b7f4986921d6ced5a18

    • SHA256

      e4906d8a9bcbe1588a194468926c5bc8c107f97c770fce71f578f2874a499cc9

    • SHA512

      75a53d1a4fcfb484f25b7cb77e2b13a067129e5d3dcbe16fd1a18c4b1dcec23c1af0ca451fb449d7af7b3637f038c4b8e9f3b4385778087e02921347546704cf

    • 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