Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:25

General

  • Target

    $PLUGINSDIR/CyoHashInstallerPlugin.dll

  • Size

    60KB

  • MD5

    91fc1af389e51a59f575ebb6565ef496

  • SHA1

    691ea8af571db68107b88945f889d8c90bc731fb

  • SHA256

    58ce82cffca14a4ee399bb818e08e42f837ad4060717818f4e73cbb60f71345b

  • SHA512

    edb17a47df9557a53b93f3ab6977a8ceeae42eb563309b74b251156c753ab97c0ae7bfe25935f642ac939ee0380813612bf6bf104b2ac26c6d5f22f8c9ab262b

  • SSDEEP

    768:pGVqANVTFhbL9HbbMHU4KojiguX6PVPIaB1:pqqoTMHHKUBxB

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\CyoHashInstallerPlugin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CyoHashInstallerPlugin.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3144
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 600
        3⤵
        • Program crash
        PID:3744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3144 -ip 3144
    1⤵
      PID:3140

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads