Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 04:04

General

  • Target
    Uninstall.exe
  • Size 51KB
  • Sample240305-em1p8aef84
  • SHA256 4ebdc9cf0c1addadf0070c64424d1792a90006dfa762b6459ddcae813e0c0825
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

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

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

  • NSIS installer 2 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:4508
    • 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
      • Loads dropped DLL
      PID:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        UAC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn7456.tmp\UAC.dll
        • Size 13KB
        • SHA256 3a18cf504265ab2267e1545106217767877fa9db6e2b5dd0a3a761dead33a99b
        • MD5 SHA1 SHA512 SSDEEP

        Au_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        • Size 51KB
        • SHA256 4ebdc9cf0c1addadf0070c64424d1792a90006dfa762b6459ddcae813e0c0825
        • MD5 SHA1 SHA512 SSDEEP