Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 04:26

General

  • Target

    2024-09-19_50539ba70c3c58cabb24a46fc9133c08_lockbit.exe

  • Size

    38KB

  • MD5

    50539ba70c3c58cabb24a46fc9133c08

  • SHA1

    e33e16055dd3663cf6c5a05951edc53977b1e1f5

  • SHA256

    cb75420909e090872b45869189d89ec2124e1e891f06638657f74e9bc37483cd

  • SHA512

    8fc980363a9dca07319e93584c6d4e9b8c30efe52de551108e201a7a34d5c81c2696558ade5dc18bc85f3e01d9c414a7336d0309153c4dce8363578d3b79291e

  • SSDEEP

    768:GlKa78kr2D6AKlLO+SNhBgCHDck4MV0ggv8KoETBB9D3xvjHhx4eC7Xj8Qc1gdk:q4/6A0q5HDR4oWBx3xrBx41z8Qcydk

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\2024-09-19_50539ba70c3c58cabb24a46fc9133c08_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_50539ba70c3c58cabb24a46fc9133c08_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:2812
    • 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\2024-09-19_50539ba70c3c58cabb24a46fc9133c08_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-19_50539ba70c3c58cabb24a46fc9133c08_lockbit.exe" > NUL & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4268
      • 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:1080
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-19_50539ba70c3c58cabb24a46fc9133c08_lockbit.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5116
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__124e96de58e4e6d2\rdrleakdiag.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__124e96de58e4e6d2\rdrleakdiag.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp16FE.tmp

    Filesize

    38KB

    MD5

    50539ba70c3c58cabb24a46fc9133c08

    SHA1

    e33e16055dd3663cf6c5a05951edc53977b1e1f5

    SHA256

    cb75420909e090872b45869189d89ec2124e1e891f06638657f74e9bc37483cd

    SHA512

    8fc980363a9dca07319e93584c6d4e9b8c30efe52de551108e201a7a34d5c81c2696558ade5dc18bc85f3e01d9c414a7336d0309153c4dce8363578d3b79291e

  • memory/2812-0-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2812-51-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/4504-52-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB