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General

  • Target

    c76265bbcddc396d77d897139041be4acc1b0cbc4d5e37de75251eebcb7f12bb

  • Size

    718KB

  • Sample

    220920-rk974adch5

  • MD5

    92a65a9a5f4a89adc13f06f302a60f69

  • SHA1

    b07df7c87f4f7bac7a43ea9f4eb367fb8b19a03e

  • SHA256

    c76265bbcddc396d77d897139041be4acc1b0cbc4d5e37de75251eebcb7f12bb

  • SHA512

    3c14ec96d12274553ea046776862c3e4396b2c76b60b7bb8ae881adb0be16a29a52fb50c05185d568b4c2af1cdf6914738bedb13a1c8b71c74d108f32963bc38

  • SSDEEP

    12288:IPq/ToVHTlcS08kHxz2rhS8HoT56l98dnFBBp7Psba5NGs5o5lw9wU8FClc:IC/TSholsS8Hhlu56u59wNW

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mmpu

  • offline_id

    yd6oYv6aBN90yFzTWdZ34sXSXtXiauzOLXZyWht1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://acacaca.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-xuPJqoyzQE 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: 0554Jhyjd

rsa_pubkey.plain

Targets

    • Target

      c76265bbcddc396d77d897139041be4acc1b0cbc4d5e37de75251eebcb7f12bb

    • Size

      718KB

    • MD5

      92a65a9a5f4a89adc13f06f302a60f69

    • SHA1

      b07df7c87f4f7bac7a43ea9f4eb367fb8b19a03e

    • SHA256

      c76265bbcddc396d77d897139041be4acc1b0cbc4d5e37de75251eebcb7f12bb

    • SHA512

      3c14ec96d12274553ea046776862c3e4396b2c76b60b7bb8ae881adb0be16a29a52fb50c05185d568b4c2af1cdf6914738bedb13a1c8b71c74d108f32963bc38

    • SSDEEP

      12288:IPq/ToVHTlcS08kHxz2rhS8HoT56l98dnFBBp7Psba5NGs5o5lw9wU8FClc:IC/TSholsS8Hhlu56u59wNW

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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