Analysis

  • max time kernel
    893s
  • max time network
    897s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 00:28

General

  • Target

    smd.exe

  • Size

    839KB

  • MD5

    3144e31b05fa12d135e40cb1ee92b155

  • SHA1

    4c7c273b547ec8d42e439c687285d9060c7d3065

  • SHA256

    f56dc459e9d914a4291b02ee04ac3837d088bb3c08901e00a63802be90167c41

  • SHA512

    0ff81376b6db8ca1ada7b624bbb2bc622c817dabbf7bad1d8c6aba40d663dab1f2dd3a0b621650d020f62d6ca5f044024be220eac5e40990918ef6890039e438

  • SSDEEP

    24576:1xdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+rT:bP4auS+UjfU2T2dIbt+r

Score
7/10

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
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\smd.exe
    "C:\Users\Admin\AppData\Local\Temp\smd.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    839KB

    MD5

    3144e31b05fa12d135e40cb1ee92b155

    SHA1

    4c7c273b547ec8d42e439c687285d9060c7d3065

    SHA256

    f56dc459e9d914a4291b02ee04ac3837d088bb3c08901e00a63802be90167c41

    SHA512

    0ff81376b6db8ca1ada7b624bbb2bc622c817dabbf7bad1d8c6aba40d663dab1f2dd3a0b621650d020f62d6ca5f044024be220eac5e40990918ef6890039e438

  • memory/1056-0-0x00000000751A2000-0x00000000751A3000-memory.dmp

    Filesize

    4KB

  • memory/1056-1-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB

  • memory/1056-2-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB

  • memory/1056-19-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-18-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-20-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-23-0x00000000751A0000-0x0000000075751000-memory.dmp

    Filesize

    5.7MB