Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2024, 21:59

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    11KB

  • MD5

    c17103ae9072a06da581dec998343fc1

  • SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

  • SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

  • SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • SSDEEP

    192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
        PID:4736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 612
          3⤵
          • Program crash
          PID:5080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4736 -ip 4736
      1⤵
        PID:4016
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:3628
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3404

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3404-0-0x00000215D7550000-0x00000215D7560000-memory.dmp

          Filesize

          64KB

        • memory/3404-16-0x00000215D7650000-0x00000215D7660000-memory.dmp

          Filesize

          64KB

        • memory/3404-32-0x00000215DF9C0000-0x00000215DF9C1000-memory.dmp

          Filesize

          4KB

        • memory/3404-36-0x00000215DFB00000-0x00000215DFB01000-memory.dmp

          Filesize

          4KB

        • memory/3404-35-0x00000215DF9F0000-0x00000215DF9F1000-memory.dmp

          Filesize

          4KB

        • memory/3404-34-0x00000215DF9F0000-0x00000215DF9F1000-memory.dmp

          Filesize

          4KB