Analysis

  • max time kernel
    176s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 15:06

General

  • Target
    Uninstall.exe
  • Size 92KB
  • Sample240327-sgspbaef98
  • SHA256 546640a1f3e28dc96a58fefb3cab1829ea1fc2c973cc37da08dc69cac6e3e685
  • 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).

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5028
    • 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⤵
      • Executes dropped EXE
      PID:3296

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 92KB
        • SHA256 546640a1f3e28dc96a58fefb3cab1829ea1fc2c973cc37da08dc69cac6e3e685
        • MD5 SHA1 SHA512 SSDEEP

        memory/3296-8-0x0000000000400000-0x00000000007BD000-memory.dmp

        memory/5028-5-0x0000000000400000-0x00000000007BD000-memory.dmp