Overview

overview

10

Static

static

8

eafce6e79a...c1.exe

windows7_x64

10

eafce6e79a...c1.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    03-11-2021 13:57

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General

  • Target

    eafce6e79a087b26475260afe43f337e7168056616b3e073832891bf18c299c1.exe

  • Size

    36KB

  • MD5

    7c02bc2ee956639ffdfa4eac62305708

  • SHA1

    9e745e222ba198dd9fc29264ffeff189d13e9b51

  • SHA256

    eafce6e79a087b26475260afe43f337e7168056616b3e073832891bf18c299c1

  • SHA512

    47a49b46aa6e514b97e863968d6b921a1ee0a65eb27812506e30e0ba7e5e32e64b6a62662e7cec32c4febfce9371a56b64e0ed272dc54176427f7b0f9ab8d821

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\6amPnJyPq.README.txt

Family

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 data stolen? From your network was stolen sensitive 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. >>> 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. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 20 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 20 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eafce6e79a087b26475260afe43f337e7168056616b3e073832891bf18c299c1.exe
    "C:\Users\Admin\AppData\Local\Temp\eafce6e79a087b26475260afe43f337e7168056616b3e073832891bf18c299c1.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\6amPnJyPq.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1164
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1164-63-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1164-64-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1728-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1728-56-0x0000000000115000-0x0000000000126000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1728-57-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1728-58-0x0000000000126000-0x0000000000127000-memory.dmp

    Filesize

    4KB

    Download