Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 04:29

General

  • Target

    b4805d9fa4ac2354f8819c739ddf7095c397e916b29468f065c0907394909fe5.exe

  • Size

    37KB

  • MD5

    d51ff4ddc2f854ca93e0f1d04b73f29e

  • SHA1

    48c15d887fdb2b303def489c857db926cc4453ee

  • SHA256

    b4805d9fa4ac2354f8819c739ddf7095c397e916b29468f065c0907394909fe5

  • SHA512

    5103202e3357da07625653c74957b85949467a7b26506148981e3469ac0df6003e1823f7d66880da31bbc7edfb0e4d93aade6c9c989fb71fcfcac12e434562d4

  • SSDEEP

    384:jp3Eqi0PJZtbH9KyM+2LzmQnfSsWQTNrAF+rMRTyN/0L+EcoinblneHQM3epzXFn:FfJ95M+2L6Q6tQhrM+rMRa8NuPcwt

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 4 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4805d9fa4ac2354f8819c739ddf7095c397e916b29468f065c0907394909fe5.exe
    "C:\Users\Admin\AppData\Local\Temp\b4805d9fa4ac2354f8819c739ddf7095c397e916b29468f065c0907394909fe5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\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:2904
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3932
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM ApplicationFrameHost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    37KB

    MD5

    d51ff4ddc2f854ca93e0f1d04b73f29e

    SHA1

    48c15d887fdb2b303def489c857db926cc4453ee

    SHA256

    b4805d9fa4ac2354f8819c739ddf7095c397e916b29468f065c0907394909fe5

    SHA512

    5103202e3357da07625653c74957b85949467a7b26506148981e3469ac0df6003e1823f7d66880da31bbc7edfb0e4d93aade6c9c989fb71fcfcac12e434562d4

  • memory/1644-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/1644-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-12-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2904-13-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2904-14-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2904-24-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB