Analysis

  • max time kernel
    175s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 09:40

General

  • Target

    91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f.exe

  • Size

    76KB

  • MD5

    c997b573b1d776a7f7485e1bd30c53b5

  • SHA1

    c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

  • SHA256

    91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

  • SHA512

    3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

  • SSDEEP

    1536:iQqxfTZj1eESWg+T97P2HdtXhAWiVKSQeH50ewh4o2zZ86EErxTWDTMqhGKYIZTF:CQ+fQpaz3OJhgBBkMqhGKZTbx

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 47 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f.exe
    "C:\Users\Admin\AppData\Local\Temp\91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:2696
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:2568
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    PID:788

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          76KB

          MD5

          c997b573b1d776a7f7485e1bd30c53b5

          SHA1

          c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

          SHA256

          91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

          SHA512

          3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          76KB

          MD5

          c997b573b1d776a7f7485e1bd30c53b5

          SHA1

          c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

          SHA256

          91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

          SHA512

          3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          76KB

          MD5

          c997b573b1d776a7f7485e1bd30c53b5

          SHA1

          c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

          SHA256

          91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

          SHA512

          3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          76KB

          MD5

          c997b573b1d776a7f7485e1bd30c53b5

          SHA1

          c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

          SHA256

          91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

          SHA512

          3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          76KB

          MD5

          c997b573b1d776a7f7485e1bd30c53b5

          SHA1

          c2e2fd68fe140538cf349b4e0a0f5538f8a31a6f

          SHA256

          91f6992d8ffc6f275da8bbdd95766c5b5af58b5c003f616ac23e17b1da20760f

          SHA512

          3b5005eefc99d3fa943d482844f41a96228a9f4c095678019babdeeeae571e3ed87808cd0be55e5b3787c4afb9061ad1b0bdf6581eb87220ad88129a3c815835

        • memory/788-142-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/788-146-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/788-147-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/1424-136-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2568-145-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/2696-141-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4712-137-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4712-132-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB