Analysis

  • max time kernel
    102s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 19:08

General

  • Target

    $PLUGINSDIR/SelfDel.dll

  • Size

    4KB

  • MD5

    7cff7fe2caea5184d98c147e7e263132

  • SHA1

    21f39d3d0dd5f7198d67ef30e95d10ae3460093e

  • SHA256

    281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101

  • SHA512

    fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a

  • SSDEEP

    48:CzHDh3jgWMynQfXKsJ3eAn67wN4VDm0pmoZSeJY8JTaCILFoyTFS7lWsaEaSueq:S18WMynkXKOOATEVUPnS7s9TShqTM

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
      2⤵
        PID:1096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 612
          3⤵
          • Program crash
          PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1096 -ip 1096
      1⤵
        PID:3520

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/1096-0-0x0000000074D90000-0x0000000074D99000-memory.dmp

              Filesize

              36KB

            • memory/1096-1-0x0000000074D90000-0x0000000074D99000-memory.dmp

              Filesize

              36KB