Overview

overview

10

Static

static

10

b0e929e35c...6a.exe

windows10_x64

10

Resubmissions

15-09-2021 14:22

210915-rp15zsdghq 10

Analysis

  • max time kernel
    84s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10-de
  • submitted
    15-09-2021 14:22

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General

  • Target

    b0e929e35c47a60f65e4420389cad46190c26e8cfaabe922efd73747b682776a.exe

  • Size

    80KB

  • MD5

    cdece7491402c7cb06964ffc680d791a

  • SHA1

    8c5427baa48d840bc7508eeaa7c091d368a68e0a

  • SHA256

    b0e929e35c47a60f65e4420389cad46190c26e8cfaabe922efd73747b682776a

  • SHA512

    5ff6eb1f81bb309aede35a9aef26ea587b6c2e49bea66f6e91bf1dbc02cc978869a1bfd376b524522cc8bf99f48ee7f62db9322212342bc4d7af40984290e501

Score
10/10
blackmatterpersistenceransomware

Malware Config

Extracted

Path

C:\fViGXl6GW.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 some amount of data automatically (reach us to get the amount). If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. Blog post link: %BLOG_URL% >>> 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://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/9YDGH04DC6ZS7RP0085Q >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/9YDGH04DC6ZS7RP0085Q

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies system executable filetype association 2 TTPs 3 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs
    persistence
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0e929e35c47a60f65e4420389cad46190c26e8cfaabe922efd73747b682776a.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e929e35c47a60f65e4420389cad46190c26e8cfaabe922efd73747b682776a.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3976
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4036
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe" /update
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4296
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe /update /peruser /childprocess /extractFilesWithLessThreadCount /renameReplaceOneDriveExe /renameReplaceODSUExe /removeNonCurrentVersions
      2⤵
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.160.0808.0002\FileSyncConfig.exe
        "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.160.0808.0002\FileSyncConfig.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies registry class
        PID:4796
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s seclogon
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4548
  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
    1⤵
      PID:4648

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3976-115-0x00000000011A3000-0x00000000011A5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3976-116-0x00000000011A0000-0x00000000011A1000-memory.dmp

      Filesize

      4KB

      Download