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
    24-09-2024 20:10

General

  • Target

    f52bdb3d24c155e723ebb13362792cd1733adfcbb29b994a497048dc6d9296a3.exe

  • Size

    37KB

  • MD5

    31da8ae3d0c9133079dfc487944d9173

  • SHA1

    f06095bab46e4619a72d444faaf48c6ff0460297

  • SHA256

    f52bdb3d24c155e723ebb13362792cd1733adfcbb29b994a497048dc6d9296a3

  • SHA512

    c1b22c19b1c42da7568d8b85fa8ccf8beebe32d270f78f7050cb4d847d46d98653941d40b017f9ad48923e9e4225fcce15e40e64f54fb9977ff39af90580f032

  • SSDEEP

    384:6EG23hUidkGXR21cGMy8Pqq53tGFlymkirAF+rMRTyN/0L+EcoinblneHQM3epzD:HG23ZLGv8Pqq58imHrM+rMRa8Nuuot

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
  • 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f52bdb3d24c155e723ebb13362792cd1733adfcbb29b994a497048dc6d9296a3.exe
    "C:\Users\Admin\AppData\Local\Temp\f52bdb3d24c155e723ebb13362792cd1733adfcbb29b994a497048dc6d9296a3.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    37KB

    MD5

    31da8ae3d0c9133079dfc487944d9173

    SHA1

    f06095bab46e4619a72d444faaf48c6ff0460297

    SHA256

    f52bdb3d24c155e723ebb13362792cd1733adfcbb29b994a497048dc6d9296a3

    SHA512

    c1b22c19b1c42da7568d8b85fa8ccf8beebe32d270f78f7050cb4d847d46d98653941d40b017f9ad48923e9e4225fcce15e40e64f54fb9977ff39af90580f032

  • memory/1180-0-0x0000000074612000-0x0000000074613000-memory.dmp

    Filesize

    4KB

  • memory/1180-1-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1180-2-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1180-12-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/3700-13-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/3700-14-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/3700-16-0x0000000074610000-0x0000000074BC1000-memory.dmp

    Filesize

    5.7MB