Analysis

  • max time kernel
    0s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 00:26

General

  • Target

    44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe

  • Size

    123KB

  • MD5

    44d11cf23e5bfe83fc34cf0ccfcc5d1e

  • SHA1

    c4a68d0899fbf75a4964df51efd4c291b703b9c1

  • SHA256

    7dfb2396a56ca68b20a442000772bd3d55883c0983b287abc3a274faf05245c2

  • SHA512

    4e8ae6197cc873b8a27290a3a3f72fbeba7eb51ba552f3f324761dfd97bcf8d945cbb47e4b7ca5f012ec5509b94a05a47bd94ed33fbf4daa8c56cefa1a4a0ba1

  • SSDEEP

    3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLL7ReDmlP:OVYrJrOSsRwcpdGo

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs regedit.exe 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe
    "C:\Users\Admin\AppData\Local\Temp\44d11cf23e5bfe83fc34cf0ccfcc5d1e.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\iaccess32.exe
      C:\Windows\iaccess32.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:2732
  • C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    1⤵
    • Runs regedit.exe
    PID:3884
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:4624
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
      1⤵
        PID:2612

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1184-0-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/1184-6-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/2732-5-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB

      • memory/2732-55-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB