Analysis

  • max time kernel
    440s
  • max time network
    442s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-08-2024 13:47

General

  • Target

    $PLUGINSDIR/WinShell.dll

  • Size

    3KB

  • MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

  • SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

  • SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

  • SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

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\WinShell.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 460
        3⤵
        • Program crash
        PID:488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4792 -ip 4792
    1⤵
      PID:3380

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads