Overview

overview

10

Static

static

10

730f2d6243...a4.exe

windows7-x64

10

730f2d6243...a4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2024, 10:25

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General

  • Target
    730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe
  • Size 80KB
  • Sample240308-mf9njsde8y
  • SHA256 730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

  • F:\tvO7Xl678.README.txt

  • blackmatter

Ransom Note
  • ~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. From your network was stolen more than 100 GB of data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/S2A4H6RGPHHLU1IJRLNTN >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

  • http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/S2A4H6RGPHHLU1IJRLNTN

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Renames multiple (153) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe
    "C:\Users\Admin\AppData\Local\Temp\730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:820
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        tvO7Xl678.README.txt
        • Path F:\tvO7Xl678.README.txt
        • Size 1KB
        • SHA256 580e1c3c5b868b5afb2c68aff9f19633daec49e208a380b914f4e34daee2cbe1
        • MD5 SHA1 SHA512
        Submit Download

        memory/820-0-0x00000000026F0000-0x0000000002700000-memory.dmp
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        memory/820-1-0x00000000026F0000-0x0000000002700000-memory.dmp
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