Analysis

  • max time kernel
    88s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240704-en
  • resource tags

    arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/07/2024, 16:18

General

  • Target
    updates/Uninstall/unins000.exe
  • Size 1.5MB
  • Sample240705-tsahjs1flk
  • SHA256 4f1ad8d1547c95e51defcb129c5dcf2568c9735524ab3face5f0fafc5bcbc0eb
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\updates\Uninstall\unins000.exe
    "C:\Users\Admin\AppData\Local\Temp\updates\Uninstall\unins000.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
      "C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\updates\Uninstall\unins000.exe" /FIRSTPHASEWND=$A022E
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      PID:4164

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        _iu14D2N.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
        • Size 1.5MB
        • SHA256 4f1ad8d1547c95e51defcb129c5dcf2568c9735524ab3face5f0fafc5bcbc0eb
        • MD5 SHA1 SHA512 SSDEEP

        memory/4164-6-0x0000000002370000-0x0000000002371000-memory.dmp

        memory/4164-12-0x0000000000400000-0x000000000057D000-memory.dmp

        memory/4164-15-0x0000000000400000-0x000000000057D000-memory.dmp

        memory/4924-0-0x0000000002730000-0x0000000002731000-memory.dmp

        memory/4924-11-0x0000000000400000-0x000000000057D000-memory.dmp