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
    19-09-2022 20:22

General

  • Target

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559.exe

  • Size

    67KB

  • MD5

    1a534a3d30fa1137b64174d21e917fd8

  • SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

  • SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

  • SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • SSDEEP

    1536:uXV7jEJCDP+K+0c/EfaDgcBO75mJ9X0fqzix9amqxLK:uxQAT+Kjzfggc6cJ9ij4xLK

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\3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559.exe
    "C:\Users\Admin\AppData\Local\Temp\3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3152
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1796
  • 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:2376

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    67KB

    MD5

    1a534a3d30fa1137b64174d21e917fd8

    SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

    SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

    SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    67KB

    MD5

    1a534a3d30fa1137b64174d21e917fd8

    SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

    SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

    SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    67KB

    MD5

    1a534a3d30fa1137b64174d21e917fd8

    SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

    SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

    SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    67KB

    MD5

    1a534a3d30fa1137b64174d21e917fd8

    SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

    SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

    SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    67KB

    MD5

    1a534a3d30fa1137b64174d21e917fd8

    SHA1

    589b117c841a7854ca0eadfa821ab6b8306330b4

    SHA256

    3ffa5dc16632b14cffbfc18d03d57adc16a16948873f45a8301c2d6fb8f1b559

    SHA512

    d6aef6604e5909a97d33659725bff01ff6d099800d2a2cbda8cafbab369de8b5603c396e94a864fab80e6dbee62037717e439d7ece98043d810b9b34e68557ef

  • memory/1796-145-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/2376-146-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/2376-142-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/3060-137-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/3152-141-0x00000000000C0000-0x00000000000DF000-memory.dmp

    Filesize

    124KB

  • memory/4364-132-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4364-133-0x00000000001D0000-0x00000000001EF000-memory.dmp

    Filesize

    124KB