General

  • Target

    7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

  • Size

    726KB

  • Sample

    220423-h9lflafbfr

  • MD5

    cfae76c0b88ef47158f4a1b010d75097

  • SHA1

    8f8eeb9e0b224aa7c64b3b9c8f88955184961f08

  • SHA256

    7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

  • SHA512

    c10a61f6b4924dfec37d41fef1c5fe73cf7b8902bd77c22417f906a68566dbf292862a08636663e087e28e7af796719209b2f31bc089764992f1da9b0b27b5ff

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

      7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

    • Size

      726KB

    • MD5

      cfae76c0b88ef47158f4a1b010d75097

    • SHA1

      8f8eeb9e0b224aa7c64b3b9c8f88955184961f08

    • SHA256

      7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

    • SHA512

      c10a61f6b4924dfec37d41fef1c5fe73cf7b8902bd77c22417f906a68566dbf292862a08636663e087e28e7af796719209b2f31bc089764992f1da9b0b27b5ff

    • 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

    • 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