Analysis

  • max time kernel
    17s
  • max time network
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250313-en
  • resource tags

    arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/03/2025, 11:02

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    be8230b1a5ba47dacb5b4d4f990f0da2

  • SHA1

    1c44f6422cdf7117c69ab172625eee8d8a561159

  • SHA256

    c7bd3056f1c01d0d36cd4ee675677f9dd20be0684fe8520f18df7d303c494e94

  • SHA512

    26176c2277701fc6b2dd568cb7e9448a83ebfb4f4394469e24ed44511870b3d57e1cd6b6bbe8a305f2bebb7c701330a5be2e37b1f35c19055f43f640c879e402

  • SSDEEP

    1536:NUwC+xhUa9urgOBPmNvMcjEwzGi1dDGDIgS:NUmUa9urgOkdCi1dYx

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 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 5 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:5216
    • 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:3848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5216-0-0x0000000074B51000-0x0000000074B52000-memory.dmp

    Filesize

    4KB

  • memory/5216-1-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB

  • memory/5216-2-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB

  • memory/5216-3-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB

  • memory/5216-5-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB

  • memory/5216-6-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB

  • memory/5216-7-0x0000000074B50000-0x0000000075101000-memory.dmp

    Filesize

    5.7MB