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
    23-11-2022 11:23

General

  • Target

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f.exe

  • Size

    94KB

  • MD5

    8183b69c87b9dc576072744d32afb69c

  • SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

  • SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

  • SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • SSDEEP

    1536:b/pT1vIbBVA0WZ+L1DBpvBXHUVRqUmuouGsUx4c0GjuJVc4EFxVNrAa0Z+:zEPAN+NBp5cqVuGsG4cHjSfGyZ

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\3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f.exe
    "C:\Users\Admin\AppData\Local\Temp\3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4912
    • 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\3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3036
  • 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:624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    94KB

    MD5

    8183b69c87b9dc576072744d32afb69c

    SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

    SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

    SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    94KB

    MD5

    8183b69c87b9dc576072744d32afb69c

    SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

    SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

    SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    94KB

    MD5

    8183b69c87b9dc576072744d32afb69c

    SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

    SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

    SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    94KB

    MD5

    8183b69c87b9dc576072744d32afb69c

    SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

    SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

    SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    94KB

    MD5

    8183b69c87b9dc576072744d32afb69c

    SHA1

    fbfc2df514f468a945558ed41f17d56e361c4742

    SHA256

    3f40792802c2e7931af62f4bda2713d1b6b50727c34268fcc113f0ba31836c1f

    SHA512

    af4b9a441d9ef8506847191216b5421d288fe1fc6c609846fcf05b64afcf30db5a5c829520d577622ca80a5a3ef685cfac42281717e05533bbfbc4fbcf8772aa

  • memory/624-146-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/624-142-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/3036-143-0x0000000000000000-mapping.dmp
  • memory/3036-145-0x00000000001C0000-0x00000000001DF000-memory.dmp
    Filesize

    124KB

  • memory/4912-137-0x0000000000510000-0x000000000052F000-memory.dmp
    Filesize

    124KB

  • memory/4912-132-0x0000000000000000-mapping.dmp
  • memory/4936-141-0x00000000001C0000-0x00000000001DF000-memory.dmp
    Filesize

    124KB

  • memory/4936-138-0x0000000000000000-mapping.dmp
  • memory/4944-136-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/4944-135-0x0000000000400000-0x0000000000434082-memory.dmp
    Filesize

    208KB