Analysis

  • max time kernel
    93s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 00:59

General

  • Target
    $_2_/Uninstall.exe
  • Size 49KB
  • Sample241108-bb663stqhr
  • SHA256 8a340670d6126dbe07f1c41a2dd8652ef23387a6644e281f072c00c3d13ce2ef
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

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

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

  • 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.

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$_2_\
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2828

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Au_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        • Size 49KB
        • SHA256 8a340670d6126dbe07f1c41a2dd8652ef23387a6644e281f072c00c3d13ce2ef
        • MD5 SHA1 SHA512 SSDEEP