Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 14:43

General

  • Target

    2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe

  • Size

    123KB

  • MD5

    3f1a56c642337f1f20ed2823076900fd

  • SHA1

    67d13766ef48a1b06bfa14e605f007abe832994f

  • SHA256

    6fee4519b824068678be085637ad098e54d6288963c3496b3dc17711802790b4

  • SHA512

    d5f9abc429d91e28bca65c70f96b0df3a0af84cc2d2bbf5caa71d01e0963a4f5038c90dfae2ca0510672e350b588e29740a3af962386f6c1ba6495caff7d10db

  • SSDEEP

    3072:kzHTn2lvpfg8g3xeevKE2j5uSbEaznWfH22ZsuX2xKwMPTnaSwIrvDPm:+TnOxfOJ2j5tznWjZnXeKwMLnaNY+

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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.

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe"
    1⤵
    • 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:1388
    • 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\2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe" > NUL & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2628
      • 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:3068
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-21_3f1a56c642337f1f20ed2823076900fd_lockbit.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1740
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__6c0339a6926c7e12\fontview.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__6c0339a6926c7e12\fontview.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Microsoft\v2.0_2.0.0.0__6c0339a6926c7e12\fontview.exe

          Filesize

          123KB

          MD5

          3f1a56c642337f1f20ed2823076900fd

          SHA1

          67d13766ef48a1b06bfa14e605f007abe832994f

          SHA256

          6fee4519b824068678be085637ad098e54d6288963c3496b3dc17711802790b4

          SHA512

          d5f9abc429d91e28bca65c70f96b0df3a0af84cc2d2bbf5caa71d01e0963a4f5038c90dfae2ca0510672e350b588e29740a3af962386f6c1ba6495caff7d10db