Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:19

General

  • Target

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6.exe

  • Size

    66KB

  • MD5

    d41350fd9b53ffc0d8999489f460ba6c

  • SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

  • SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

  • SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • SSDEEP

    1536:7hGmhiJn3u9b07gpuziB3N6nmf6SCONznzglRIf:7hGmhipe9b07vziBcmCsNznz8uf

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 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6.exe
    "C:\Users\Admin\AppData\Local\Temp\f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:908
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3788
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4008
  • 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:372

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    66KB

    MD5

    d41350fd9b53ffc0d8999489f460ba6c

    SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

    SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

    SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    66KB

    MD5

    d41350fd9b53ffc0d8999489f460ba6c

    SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

    SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

    SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    66KB

    MD5

    d41350fd9b53ffc0d8999489f460ba6c

    SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

    SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

    SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    66KB

    MD5

    d41350fd9b53ffc0d8999489f460ba6c

    SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

    SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

    SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    66KB

    MD5

    d41350fd9b53ffc0d8999489f460ba6c

    SHA1

    4c5333b6588cdb106573ba33c6cc95cf9be549d5

    SHA256

    f51d3efc84c3bef86639ae18a15e122be62c686a08b0d420feedde4dc153c5b6

    SHA512

    2cd108908fbe550e18564dd3920a7dba8d442ecda0eeb0896fe42df687f7ea36d82d0d113b4ff6e2e246588f85aee03da05f2f8a946e4aa60e8e4509e78920b8

  • memory/372-142-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/372-146-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/908-134-0x0000000000000000-mapping.dmp

  • memory/908-137-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3788-138-0x0000000000000000-mapping.dmp

  • memory/3788-141-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4008-143-0x0000000000000000-mapping.dmp

  • memory/4008-145-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4644-132-0x0000000000400000-0x0000000000426642-memory.dmp

    Filesize

    153KB

  • memory/4644-133-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB