Analysis

  • max time kernel
    130s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 02:22

General

  • Target

    $PLUGINSDIR/nsArray.dll

  • Size

    6KB

  • MD5

    6206b94f91e92b7f7f72214c438dd414

  • SHA1

    09281ee4a76aa7dce016e7476ce33aa74246a0c6

  • SHA256

    b15de38c9d72eef3c8ac9336c39debb10edc8e4a26bcc32b319f6ae8c9141380

  • SHA512

    502bedef4fe934c74903ea01036fc265b950a8bb4927f6b285926ff53140fa8a78f37bc7e39a8de8ccde0ba6cdf9d0f512379c9fef86ad60192ed4b447c00fd0

  • SSDEEP

    96:QVtJ0bb2EKqyp//c6fbQ2Pz9AqgCLAk9F5LeT2b8HIK/O0iRxGQFIfA7gfMxLfA0:QGbQvp3c6/PwCLAk90K8DysQf0M2dja

Score
7/10
upx

Malware Config

Signatures

  • 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\nsArray.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
      2⤵
        PID:2204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 600
          3⤵
          • Program crash
          PID:1004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2204 -ip 2204
      1⤵
        PID:4632

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2204-0-0x00000000749E0000-0x00000000749EA000-memory.dmp
        Filesize

        40KB

      • memory/2204-2-0x00000000749E0000-0x00000000749EA000-memory.dmp
        Filesize

        40KB