Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 08:29

General

  • Target

    2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe

  • Size

    52KB

  • MD5

    57425cc19001960043854c1e143aced4

  • SHA1

    60f09c93a2da1cded719c7da6d006b38bcddff82

  • SHA256

    023334cc47ec29c06fd90e3a43acf9436e5d9e0662d9db13132f9427987ce3f2

  • SHA512

    2506957a4f342362c297e6231cf3a5f866e94476c5be24f05a2bfa15921bf449e5356fc2959b476551d8a283a07646f98ffcb10514ed24bc1bf4b4a547371f98

  • SSDEEP

    1536:EGWpAjHIHcO+UNS8GBx3xb6x4l8QcaeWSDBPrxZaGL:Gp3HiU4PBx3xb6x4l8QcaXSRxZbL

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • NTFS ADS 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe"
    1⤵
    • Checks computer location settings
    • Impair Defenses: Safe Mode Boot
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /d /c ping -n 2 127.0.0.1 > NUL & fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe" > NUL & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4212
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-13_57425cc19001960043854c1e143aced4_lockbit.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:376
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__3cd069ad22f85929\cacls.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__3cd069ad22f85929\cacls.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCD23.tmp

    Filesize

    52KB

    MD5

    57425cc19001960043854c1e143aced4

    SHA1

    60f09c93a2da1cded719c7da6d006b38bcddff82

    SHA256

    023334cc47ec29c06fd90e3a43acf9436e5d9e0662d9db13132f9427987ce3f2

    SHA512

    2506957a4f342362c297e6231cf3a5f866e94476c5be24f05a2bfa15921bf449e5356fc2959b476551d8a283a07646f98ffcb10514ed24bc1bf4b4a547371f98