Overview

overview

10

Static

static

77340f0153...0e.exe

windows7_x64

10

77340f0153...0e.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    29-01-2022 20:51

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General

  • Target

    77340f01535db5c80c1f3e725a8f8de17bb227f567b8f568dd339be6ddacf60e.exe

  • Size

    1.2MB

  • MD5

    04ae8662cb8528e336b46ae2405f2c92

  • SHA1

    833137ae5978af4b28edbb7fa6f0eec0c448fdbd

  • SHA256

    77340f01535db5c80c1f3e725a8f8de17bb227f567b8f568dd339be6ddacf60e

  • SHA512

    37543ab66e8f761e9d497e2efe0eb59505e5f76b16959a5681f287c7ff8f9d6db7b1383f9c2b051075ddc33c8a734f5f56376aa23ca471bf3fd60145dc621d3a

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\TEVwl5dwR.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 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/0JOA98TDMXLHJ77VDOO >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/0JOA98TDMXLHJ77VDOO

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 15 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 10 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77340f01535db5c80c1f3e725a8f8de17bb227f567b8f568dd339be6ddacf60e.exe
    "C:\Users\Admin\AppData\Local\Temp\77340f01535db5c80c1f3e725a8f8de17bb227f567b8f568dd339be6ddacf60e.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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\TEVwl5dwR.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1612
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1452-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1452-56-0x0000000002D70000-0x0000000002D71000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1452-55-0x0000000002D75000-0x0000000002D86000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1452-57-0x0000000002D86000-0x0000000002D87000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1612-60-0x000007FEFC081000-0x000007FEFC083000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1612-61-0x00000000041F0000-0x00000000042F1000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/1612-62-0x0000000004300000-0x0000000004310000-memory.dmp

    Filesize

    64KB

    Download