Analysis

  • max time kernel
    91s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 20:51

General

  • Target

    $PLUGINSDIR/UserInfo.dll

  • Size

    4KB

  • MD5

    9301577ff4d229347fe33259b43ef3b2

  • SHA1

    5e39eb4f99920005a4b2303c8089d77f589c133d

  • SHA256

    090c4bc8dc534e97b3877bd5115eb58b3e181495f29f231479f540bab5c01edc

  • SHA512

    77dc7a1dedaeb1fb2ccefaba0a526b8d40ea64b9b37af53c056b9428159b67d552e5e3861cbffc2149ec646fdfe9ce94f4fdca51703f79c93e5f45c085e52c79

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\UserInfo.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 612
        3⤵
        • Program crash
        PID:1368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5048 -ip 5048
    1⤵
      PID:4960

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads