Analysis

  • max time kernel
    154s
  • max time network
    178s
  • 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 01:25

General

  • Target

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf.exe

  • Size

    91KB

  • MD5

    61c1401ff1563f28835adebf7eaa6f00

  • SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

  • SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

  • SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • SSDEEP

    1536:Xn+qAVbbNdGA5iayFSt/wFi4bCiCsoWqvWE91q8xKUvuttleiUaOnJ0aUUR1Gkde:X+qaRntIi4bCiCv4808Ctbei6FX

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 62 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\a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf.exe
    "C:\Users\Admin\AppData\Local\Temp\a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3616
    • 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\a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1372
  • 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:4816

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    91KB

    MD5

    61c1401ff1563f28835adebf7eaa6f00

    SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

    SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

    SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    91KB

    MD5

    61c1401ff1563f28835adebf7eaa6f00

    SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

    SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

    SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    91KB

    MD5

    61c1401ff1563f28835adebf7eaa6f00

    SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

    SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

    SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    91KB

    MD5

    61c1401ff1563f28835adebf7eaa6f00

    SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

    SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

    SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    91KB

    MD5

    61c1401ff1563f28835adebf7eaa6f00

    SHA1

    84f0b423e3fb3857dd9ef83449aca927bb1a7a2a

    SHA256

    a770f5ecfa1014e2403695a0c30b30435c103ca4c938172ae644618edf5379bf

    SHA512

    3093ac60de25711cb0104bbc00208c9b93e522d3db9684e6b710abe92349982b4f5fabb86b07c88d739b607c90125344653dd1d2202847e3d2867a7aee1e81af

  • memory/1372-144-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/1952-133-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/1952-132-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3616-138-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3616-137-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4816-146-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4816-147-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4936-141-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB