Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 06:05

General

  • Target

    $PLUGINSDIR/nsArray.dll

  • Size

    6KB

  • MD5

    89d40ecddf3ce6f3b0e6a84f40936912

  • SHA1

    97af44bb909a7701f46ec0b4bc9a52f27140ca21

  • SHA256

    05d59fa3f6cf237c999b5f73b7d6a4d8ec6a4eed4d0d9c6a12cf08944f2bb770

  • SHA512

    bfa23ae2d42831783a4132c313d7d4fbd1e91eb1445a4a82be3b577284e830b5282f85bbc9261291370e6673f7f0e2e17aae0b0e41495a618f22905026e82ea1

  • SSDEEP

    96:rXfjvtzPsqb8iI/ZK0DoeUWUZ7P5tWycDVIzfBG1IfA7gfMxLfAdGOL:HJ1b8iWZ/rUWoRMy2VYJGP0M2dGa

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:3420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
      2⤵
        PID:2628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 600
          3⤵
          • Program crash
          PID:1856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2628 -ip 2628
      1⤵
        PID:3932

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2628-0-0x00000000757E0000-0x00000000757EA000-memory.dmp

        Filesize

        40KB

      • memory/2628-2-0x00000000757E0000-0x00000000757EA000-memory.dmp

        Filesize

        40KB