Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 04:59

General

  • Target

    2024-10-12_789eeeba04ac520bdf118659020cde7a_lockbit.exe

  • Size

    276KB

  • MD5

    789eeeba04ac520bdf118659020cde7a

  • SHA1

    333adcbc1b985154bc73b5bdbddbfff18f2468e1

  • SHA256

    045ca99c9e484a973e4bd404fbbdcc6dca7573d768961123f44d8545d66cdace

  • SHA512

    49e462ac567318cdb71708692b05241076ea847ca470ec296f9339698e4665cf98ee12c25f8e4469304b5e3753e77158b337a6632837663f312114e5825fe98b

  • SSDEEP

    6144:jGpV1z8QtGpGGpV1z8Qcy1PSbOqslVC7nJUkhIeMIcC16V:qpVaRpPpVaxy0bOM7np+e31

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\2024-10-12_789eeeba04ac520bdf118659020cde7a_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_789eeeba04ac520bdf118659020cde7a_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:1468
    • 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\2024-10-12_789eeeba04ac520bdf118659020cde7a_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-10-12_789eeeba04ac520bdf118659020cde7a_lockbit.exe" > NUL & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2868
      • 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:3120
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-12_789eeeba04ac520bdf118659020cde7a_lockbit.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2304
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__de087c08862ce68f\convert.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__de087c08862ce68f\convert.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__de087c08862ce68f\convert.exe

    Filesize

    274KB

    MD5

    02fad75172caf584f3e61358be458e01

    SHA1

    ef40aa5c3637f9b49d0582ba10e203f0c707cab1

    SHA256

    0b44e92faa94bf9ff56871eeec00fbd4db639710a7c0c5a78fdabd2ec309738e

    SHA512

    559d4b1cca2f61ae5cad3484c54baf293132e3a3fadf9ad1180fe36d6b9382e8a07706deb98da81eaaeb092761c0e85d1224ed24fda2dd65b2c19c839a2ff039

  • C:\Users\Admin\AppData\Local\Temp\tmpB4C9.tmp

    Filesize

    276KB

    MD5

    789eeeba04ac520bdf118659020cde7a

    SHA1

    333adcbc1b985154bc73b5bdbddbfff18f2468e1

    SHA256

    045ca99c9e484a973e4bd404fbbdcc6dca7573d768961123f44d8545d66cdace

    SHA512

    49e462ac567318cdb71708692b05241076ea847ca470ec296f9339698e4665cf98ee12c25f8e4469304b5e3753e77158b337a6632837663f312114e5825fe98b