Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:55

General

  • Target

    $PROGRAMFILES/HCA/HCAServiSign/HCA/CsHis30.dll

  • Size

    1.4MB

  • MD5

    40d354b9237a152265ed609afc8b0540

  • SHA1

    1b1ee20810aba635ebc3d23374dc93ba253fd190

  • SHA256

    994c7c9c9c5da43f2f6314b89dbe7a8c887adb832d77e2f70226fc0ded3e881d

  • SHA512

    9a75eff34ffb73287acdc57dfd29823831cd2193549d50dc824c544f44de7b37aa93911720879563ca6cc28da2557b041c2432dbf489b0d0aba08f6f1a5ffda7

  • SSDEEP

    24576:S8p3O4VCOeFJoVIUF3IEET4kS7WRqKb0H4e/lwGUH+ZlLGVIvONV:T84VpxEDRQHllh

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\$PROGRAMFILES\HCA\HCAServiSign\HCA\CsHis30.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\HCA\HCAServiSign\HCA\CsHis30.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 588
        3⤵
        • Program crash
        PID:4516
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4488 -ip 4488
    1⤵
      PID:4232

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads