Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 12:42

General

  • Target

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36.exe

  • Size

    58KB

  • MD5

    624e570da43b56bc0fbec3375c4baded

  • SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

  • SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

  • SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • SSDEEP

    1536:aC7YJdnN4zABD38JPR/l6UA5RpXjkR9gWbTuGe3LgLZ8E:CnuzAFgmX58RxPY3s1N

Score
8/10

Malware Config

Signatures

  • Contacts a large (527) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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\a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36.exe
    "C:\Users\Admin\AppData\Local\Temp\a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3688
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:5020
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3468
  • 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:312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    58KB

    MD5

    624e570da43b56bc0fbec3375c4baded

    SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

    SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

    SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    58KB

    MD5

    624e570da43b56bc0fbec3375c4baded

    SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

    SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

    SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    58KB

    MD5

    624e570da43b56bc0fbec3375c4baded

    SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

    SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

    SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    58KB

    MD5

    624e570da43b56bc0fbec3375c4baded

    SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

    SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

    SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    58KB

    MD5

    624e570da43b56bc0fbec3375c4baded

    SHA1

    fc560d3842f6b8dc413bc5a210dcc2fce54285e3

    SHA256

    a3cf9a91709db5e15de2b8a39a3e46557239d9532530740d11542a14df2ebb36

    SHA512

    498adaa8784250f7eadd093017202c7c86cdc3d27439a77a00cb973b2bd5c015dcec2d0ef425255bb57cf1b617d257476b3adee7d3f506957ed7d03318b283ca

  • memory/312-142-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/312-146-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/368-133-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/368-136-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3468-145-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/3688-137-0x0000000000510000-0x000000000052F000-memory.dmp

    Filesize

    124KB

  • memory/5020-141-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB