Analysis

  • max time kernel
    150s
  • 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
    16-10-2024 06:16

General

  • Target

    mal.exe

  • Size

    37KB

  • MD5

    1a89a94b9f8b3e9e12009ce905a6afd7

  • SHA1

    18bf661911a93377ada5902ebc581e535f798bd3

  • SHA256

    f75a78bbb8b9fec7151cda7ddfe71f05a83828a202b7fb3278840491c775212d

  • SHA512

    2b6f7138875dcad65761294b43fde006980efeded9264e11c2d8ee5131c61ec6d4d8ef48cdf5b3c649c32712e255442a0c4d1be572bb9141a9f383b7181bd950

  • SSDEEP

    384:767DUiSOL1G5k2gyk/Q0flq/Mst+xWrAF+rMRTyN/0L+EcoinblneHQM3epzXUAH:+7v32bk/Q0oEst+ArM+rMRa8NuuAdt

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mal.exe
    "C:\Users\Admin\AppData\Local\Temp\mal.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\ProgramData\svchost.exe
      "C:\ProgramData\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\svchost.exe

    Filesize

    37KB

    MD5

    1a89a94b9f8b3e9e12009ce905a6afd7

    SHA1

    18bf661911a93377ada5902ebc581e535f798bd3

    SHA256

    f75a78bbb8b9fec7151cda7ddfe71f05a83828a202b7fb3278840491c775212d

    SHA512

    2b6f7138875dcad65761294b43fde006980efeded9264e11c2d8ee5131c61ec6d4d8ef48cdf5b3c649c32712e255442a0c4d1be572bb9141a9f383b7181bd950

  • memory/1652-0-0x00000000750B2000-0x00000000750B3000-memory.dmp

    Filesize

    4KB

  • memory/1652-1-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/1652-2-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/1652-12-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-13-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-14-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-24-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-25-0x00000000750B0000-0x0000000075661000-memory.dmp

    Filesize

    5.7MB