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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 08:49

General

  • Target

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d.exe

  • Size

    62KB

  • MD5

    979494795eed4df9df7c74eeb4adbf03

  • SHA1

    a09b107f9a2d272733000da984102fade9c8911b

  • SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

  • SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • SSDEEP

    768:qdufniOczsLQl3tzD3Wb6ahUigjS24cZ9hUOvM+V/pW65CCWgJ10JDyMIDm/dXDd:qTssTDlVciVc6faQ+mYRewl3fe3sBip

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d.exe
    "C:\Users\Admin\AppData\Local\Temp\a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4616
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1028
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1700
  • 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:3632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    62KB

    MD5

    979494795eed4df9df7c74eeb4adbf03

    SHA1

    a09b107f9a2d272733000da984102fade9c8911b

    SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

    SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    62KB

    MD5

    979494795eed4df9df7c74eeb4adbf03

    SHA1

    a09b107f9a2d272733000da984102fade9c8911b

    SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

    SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    62KB

    MD5

    979494795eed4df9df7c74eeb4adbf03

    SHA1

    a09b107f9a2d272733000da984102fade9c8911b

    SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

    SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    62KB

    MD5

    979494795eed4df9df7c74eeb4adbf03

    SHA1

    a09b107f9a2d272733000da984102fade9c8911b

    SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

    SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    62KB

    MD5

    979494795eed4df9df7c74eeb4adbf03

    SHA1

    a09b107f9a2d272733000da984102fade9c8911b

    SHA256

    a1f155af8c27e665f9bf21d8ccad1114f774c71edb1713b70a8e0bbd79f5630d

    SHA512

    443ecf7942ea462b11e6324de7298466845bf883b9c4cbc89e4e37e5476286b87b8bd7ffbdea7adfdccebb4b48d816520c17934185d4e816b99abc8905a9d832

  • memory/1028-140-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/1700-144-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/3632-141-0x00000000004F0000-0x000000000050F000-memory.dmp

    Filesize

    124KB

  • memory/3632-145-0x00000000004F0000-0x000000000050F000-memory.dmp

    Filesize

    124KB

  • memory/4616-135-0x00000000004F0000-0x000000000050F000-memory.dmp

    Filesize

    124KB

  • memory/4880-136-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB