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Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 04:27

General

  • Target

    2024-09-21_c1e80dc69b7b74cc5eac95c315d62d83_lockbit.exe

  • Size

    37KB

  • MD5

    c1e80dc69b7b74cc5eac95c315d62d83

  • SHA1

    531b5886d64ce1a228ea921999fb593396943325

  • SHA256

    d8791625d86dff22d527f72b69d314f9a34e88d1129e3ef1d29e040fcb433208

  • SHA512

    391c48bf1110d4b02f8aa15029e362a6ee3121b37057b6dbf936dfe451ed1f4c5855f4f22edbffe8175f25fea4eaaf9e41627e28b1db6d5663554fba3d11687d

  • SSDEEP

    768:ETEjmqVxAxuZY9AldyQSRA2wnXw/uaLoBB5Ux4PC74801h2w:cgxAxuW2ldyYvhauBSx40480Ow

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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 use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-21_c1e80dc69b7b74cc5eac95c315d62d83_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_c1e80dc69b7b74cc5eac95c315d62d83_lockbit.exe"
    1⤵
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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_c1e80dc69b7b74cc5eac95c315d62d83_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-21_c1e80dc69b7b74cc5eac95c315d62d83_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:2736
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-21_c1e80dc69b7b74cc5eac95c315d62d83_lockbit.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2784
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\gpscript.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\gpscript.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\gpscript.exe

    Filesize

    37KB

    MD5

    c1e80dc69b7b74cc5eac95c315d62d83

    SHA1

    531b5886d64ce1a228ea921999fb593396943325

    SHA256

    d8791625d86dff22d527f72b69d314f9a34e88d1129e3ef1d29e040fcb433208

    SHA512

    391c48bf1110d4b02f8aa15029e362a6ee3121b37057b6dbf936dfe451ed1f4c5855f4f22edbffe8175f25fea4eaaf9e41627e28b1db6d5663554fba3d11687d