Analysis

  • max time kernel
    164s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 18:28

General

  • Target
    geek.exe
  • Size 7.2MB
  • Sample260728-w4emrasenc
  • SHA256 1cde4d0aa4141500ca8603e0ff61164bcc92641fb41bf62be044f561082d0405
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\geek.exe
    "C:\Users\Admin\AppData\Local\Temp\geek.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6792
    • C:\Users\Admin\AppData\Local\Temp\geek64.exe
      C:\Users\Admin\AppData\Local\Temp\geek64.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:6140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        geek64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\geek64.exe
        • Size 3.9MB
        • SHA256 015112af2494029eb1147a06874cec0849dca39da579793c5c09b000bd01cd08
        • MD5 SHA1 SHA512 SSDEEP TLSH