Analysis

  • max time kernel
    895s
  • max time network
    762s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250128-ja
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250128-jalocale:ja-jpos:windows10-ltsc 2021-x64systemwindows
  • submitted
    30-01-2025 22:44

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    cc560bdc2869ccf4ae0e939a1aa7f1b4

  • SHA1

    f16b12272a26df1bb2dffe5ebbd8483b30d59ee5

  • SHA256

    88438e680d7127491c1bed3f762ac9fc7839e08e710cb8f9da9d1cfbaf772f68

  • SHA512

    d57d6e8e1d27d41c01f3a6c6bcdb8f522748527678539f816b94da3b5cba8a75a96b8d1b0677ef77925eb579d2c7d374f50b91df9887f734ff288a303ddbae12

  • SSDEEP

    1536:PUwC+xhUa9urgOBPRNvM4jEwzGi1dDxD8gS:PUmUa9urgObdGi1dNV

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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 2 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:6108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3624-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

    Filesize

    4KB

  • memory/3624-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-2-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-5-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-4-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

    Filesize

    4KB

  • memory/3624-6-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-7-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-8-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-9-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB

  • memory/3624-10-0x0000000074FE0000-0x0000000075591000-memory.dmp

    Filesize

    5.7MB