Analysis

  • max time kernel
    185s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 01:14

General

  • Target

    c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546.exe

  • Size

    110KB

  • MD5

    6c3a442da1364fafc8fa33efefe65a78

  • SHA1

    41003f8fa5f5fb3a8938e56932b54bde40c57779

  • SHA256

    c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

  • SHA512

    1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

  • SSDEEP

    3072:PKBZiXrKyZjCiVbCEd84yOQ5SCsu2oh40kv3VucVEp:uiGyZjTVk4+5Fsu6vFu

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 63 IoCs
  • Modifies registry class 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:5032
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4936
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4052
  • 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:4920

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          110KB

          MD5

          6c3a442da1364fafc8fa33efefe65a78

          SHA1

          41003f8fa5f5fb3a8938e56932b54bde40c57779

          SHA256

          c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

          SHA512

          1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          110KB

          MD5

          6c3a442da1364fafc8fa33efefe65a78

          SHA1

          41003f8fa5f5fb3a8938e56932b54bde40c57779

          SHA256

          c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

          SHA512

          1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          110KB

          MD5

          6c3a442da1364fafc8fa33efefe65a78

          SHA1

          41003f8fa5f5fb3a8938e56932b54bde40c57779

          SHA256

          c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

          SHA512

          1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          110KB

          MD5

          6c3a442da1364fafc8fa33efefe65a78

          SHA1

          41003f8fa5f5fb3a8938e56932b54bde40c57779

          SHA256

          c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

          SHA512

          1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          110KB

          MD5

          6c3a442da1364fafc8fa33efefe65a78

          SHA1

          41003f8fa5f5fb3a8938e56932b54bde40c57779

          SHA256

          c1b8d74013c0efc01ab3639749fb5b400e6836389840b17412017dd932b49546

          SHA512

          1e6288de0be0d7293383bd0ec80e593f7d5df17f0b639565dc7f07102b18e7172d1e4a8197202846e659ea54794ffc7f4f842001ec914e427fb011f229990228

        • memory/4052-146-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4676-132-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/4676-133-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4920-143-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4920-147-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4936-142-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/5032-137-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/5032-138-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB