Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23/07/2024, 17:23

General

  • Target
    Server.exe
  • Size 93KB
  • Sample240723-vx5pxstdrf
  • SHA256 2f989ad111f928d16881307ae35863b3a66882328e0fa83bdfb585df1f0cd78b
  • MD5 SHA1 SHA512 SSDEEP

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 37 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:4640
    • 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:2632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/4640-0-0x0000000073841000-0x0000000073842000-memory.dmp

        memory/4640-1-0x0000000073840000-0x0000000073DF0000-memory.dmp

        memory/4640-2-0x0000000073840000-0x0000000073DF0000-memory.dmp

        memory/4640-4-0x0000000073840000-0x0000000073DF0000-memory.dmp

        memory/4640-5-0x0000000073840000-0x0000000073DF0000-memory.dmp