Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 13:31

General

  • Target

    998b45e979c170f8e0ea5d7415e9a176.exe

  • Size

    91KB

  • MD5

    998b45e979c170f8e0ea5d7415e9a176

  • SHA1

    67deb109335ccf6fa652a2b5f59b25cdc2333d2c

  • SHA256

    cc369e3b3e9244f36e69af6cf6bae1a8ba960177e55083c32123cbe3da09f8d8

  • SHA512

    a8501d6a504f54b2992b64e783092862470ad0c1df9e63c2a05ee94eb2cba7bc8bf37e09bac8b65aacbc92774a9dafd52b518e6cd6f5ffe9511751afa2b48e03

  • SSDEEP

    1536:J6jrWdKuE8qtMhM2BU6cijgCzhSfV4/hZiMpCMdT9nsEw8e0c0OY0aUUR1Gkde:MF1SFU6detpMpCMdZm8eN0LFX

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 34 IoCs
  • Modifies registry class 60 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\998b45e979c170f8e0ea5d7415e9a176.exe
    "C:\Users\Admin\AppData\Local\Temp\998b45e979c170f8e0ea5d7415e9a176.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3912
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\998b45e979c170f8e0ea5d7415e9a176.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:892
  • 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:2908

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          91KB

          MD5

          998b45e979c170f8e0ea5d7415e9a176

          SHA1

          67deb109335ccf6fa652a2b5f59b25cdc2333d2c

          SHA256

          cc369e3b3e9244f36e69af6cf6bae1a8ba960177e55083c32123cbe3da09f8d8

          SHA512

          a8501d6a504f54b2992b64e783092862470ad0c1df9e63c2a05ee94eb2cba7bc8bf37e09bac8b65aacbc92774a9dafd52b518e6cd6f5ffe9511751afa2b48e03

        • memory/892-33-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/2908-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-1317-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-80-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-17-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-14-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-36-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-15-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2908-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3912-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/3912-13-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4036-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4036-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4036-0-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/4900-6-0x0000000000430000-0x000000000044F000-memory.dmp

          Filesize

          124KB

        • memory/4900-7-0x0000000000400000-0x000000000042E000-memory.dmp

          Filesize

          184KB

        • memory/4900-8-0x0000000000430000-0x000000000044F000-memory.dmp

          Filesize

          124KB