Analysis

  • max time kernel
    598s
  • max time network
    600s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-12-2024 05:05

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    3f3ae3a450723c80b1aaff419e0d1369

  • SHA1

    bb3e89cde4dd9d29a688b25a0002163540555b6d

  • SHA256

    8d4c9b97cae0f3c35ab9a5ffa7f1ab45f7c304fb0d7c517828fed0c2048f6d4a

  • SHA512

    81cfe00bfb7ff567b66747937c37ee846ae8a672dd3be573b013bc431c2d7d9602f7c02f568a3c996cefc2f86ca9597bc64e9f615b3ef7aae45360e3d15f6aab

  • SSDEEP

    768:QY33lgSRmnldjcRoMwrx7Y+DIkIITJbXX0pOt8ux82SXxrjEtCdnl2pi1Rz4Rk33:PlTmlbrq+1NTZ0OMjEwzGi1dDzDXgS

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 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:232
    • 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:248
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:480
    • 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:1368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/232-0-0x0000000074EF1000-0x0000000074EF2000-memory.dmp

    Filesize

    4KB

  • memory/232-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

    Filesize

    5.7MB

  • memory/232-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

    Filesize

    5.7MB

  • memory/232-4-0x0000000074EF0000-0x00000000754A1000-memory.dmp

    Filesize

    5.7MB

  • memory/232-5-0x0000000074EF0000-0x00000000754A1000-memory.dmp

    Filesize

    5.7MB