Overview

overview

10

Static

static

10

496cd9b6b6...8d.exe

windows7_x64

10

496cd9b6b6...8d.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 00:36

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General

  • Target

    496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe

  • Size

    78KB

  • MD5

    cb1e9e0b57107c1f5cd3569bf268de4f

  • SHA1

    53f0be750671f565019890a35d8463eebc6fddc9

  • SHA256

    496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d

  • SHA512

    2620215ca9a7ba3cb412c8fc33f2bd6d89e0e61dd70d6bbe1762ccb820b29d2e5f7fd6be06c27328b0d333c5d12ef239d0101dfea23c6025b06110b7a3ad4cb5

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\y2VGe3tGZ.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/Z1DHIS62B9LUNC74 >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/Z1DHIS62B9LUNC74

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 22 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 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
    "C:\Users\Admin\AppData\Local\Temp\496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.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:740
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\Users\y2VGe3tGZ.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1756
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1148

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/740-54-0x0000000075321000-0x0000000075323000-memory.dmp

    Filesize

    8KB

    Download

  • memory/740-56-0x0000000001E10000-0x0000000001E11000-memory.dmp

    Filesize

    4KB

    Download

  • memory/740-55-0x0000000001E15000-0x0000000001E26000-memory.dmp

    Filesize

    68KB

    Download

  • memory/740-57-0x0000000001E26000-0x0000000001E27000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1756-61-0x000007FEFBEB1000-0x000007FEFBEB3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1756-62-0x00000000041E0000-0x00000000041E1000-memory.dmp

    Filesize

    4KB

    Download