Analysis

  • max time kernel
    208s
  • max time network
    278s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/11/2024, 10:46

General

  • Target

    $PLUGINSDIR/AccessControl.dll

  • Size

    8KB

  • MD5

    9f1a88b953fd2a2c23b09703b253186c

  • SHA1

    29d5a5a24e7f782a07e9f5d2ec1d1a6218fec737

  • SHA256

    8a8f5bafc105186c85f14e017ab6da33ae8f88a9635e51756f90b6d95381d80d

  • SHA512

    10b3a812c92b7324bddcd23adf923fcaec2532f31bdd9fbf17494fc33f99aa0a0a48b94f1fdd6599fa0189567626a90b324a1d132bf9cb8b00a6afc547e64018

  • SSDEEP

    192:RmcLe8uWVNz5ZalBK/7rUlYg5q5LcywvX5:RJdNzMKXUlYg5qPq5

Score
5/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AccessControl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3476
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AccessControl.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 476
        3⤵
        • Program crash
        PID:1808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3452 -ip 3452
    1⤵
      PID:1160

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/3452-0-0x0000000075640000-0x000000007564A000-memory.dmp

            Filesize

            40KB

          • memory/3452-1-0x0000000075640000-0x000000007564A000-memory.dmp

            Filesize

            40KB