Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2024, 07:13

General

  • Target

    bin/KwCommonUI.dll

  • Size

    668KB

  • MD5

    fb5d1d15560efc64692c98194e99492b

  • SHA1

    de672e72089af85b16eac54650c77c1ba42f1c9c

  • SHA256

    1f31d37384208ac409acbed501d80aeb0bb139cc51b2926014a5e1c78a5d80e7

  • SHA512

    1663323226d083b44344064f431fc6827796e20af456feebffc248bd2137602b63e10b8f7c3f301024017f4b69f557967533124ec09de10a0ce41faa2d601f24

  • SSDEEP

    12288:XhfRlA5ymiD2++z9kjPHC9KmhloBQ0R6G+4D9Zs7iJEprrhv:RH1x+Rk7SuX+4D9ZhurVv

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\KwCommonUI.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\KwCommonUI.dll,#1
      2⤵
      • Drops file in System32 directory
      PID:4784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 716
        3⤵
        • Program crash
        PID:2692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4784 -ip 4784
    1⤵
      PID:2120

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4784-0-0x0000000002660000-0x00000000026A7000-memory.dmp

      Filesize

      284KB

    • memory/4784-6-0x0000000002720000-0x0000000002747000-memory.dmp

      Filesize

      156KB

    • memory/4784-4-0x00000000026E0000-0x000000000270A000-memory.dmp

      Filesize

      168KB

    • memory/4784-3-0x0000000000C90000-0x0000000000C9D000-memory.dmp

      Filesize

      52KB

    • memory/4784-2-0x00000000026B0000-0x00000000026C2000-memory.dmp

      Filesize

      72KB