Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 02:53

General

  • Target

    $PLUGINSDIR/chrmPref.dll

  • Size

    194KB

  • MD5

    6845d147b88de1f005d9c6ebb6596574

  • SHA1

    64523302e2b1e2ee7a31580d2acac852db3c7e45

  • SHA256

    c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e

  • SHA512

    cd4caa6669b5f90ead60579a2e5b01a9cd2d17fd2919651cecda6327acb32e2eb3b9953412c085d50dee89779d2f60df658236fb4c3cc54bed4ae66929590606

  • SSDEEP

    3072:H+PBtVBjFBb/xZQ1VsqijYj8Wc+OYfaimTMIP7hjyhZN2OOsHuVI:H+PBdjFBb/TGzBOoaiGP7hjQE

Score
3/10

Malware Config

Signatures

  • 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\chrmPref.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\chrmPref.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 604
        3⤵
        • Program crash
        PID:3664
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2452 -ip 2452
    1⤵
      PID:3936

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads