Analysis

  • max time kernel
    152s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 20:28

General

  • Target
    25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4.exe
  • Size 56KB
  • Sample220919-y86cdabgfr
  • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
  • MD5 SHA1 SHA512 SSDEEP
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\25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4.exe
    "C:\Users\Admin\AppData\Local\Temp\25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3312
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3016
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4728
  • 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:456

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
        • MD5 SHA1 SHA512 SSDEEP

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
        • MD5 SHA1 SHA512 SSDEEP

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
        • MD5 SHA1 SHA512 SSDEEP

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
        • MD5 SHA1 SHA512 SSDEEP

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 25f873e2710eecfdfd3085ce3fd8f00b7ee087a1325a5efb4a1c1269d4ff94f4
        • MD5 SHA1 SHA512 SSDEEP

        memory/456-141-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/456-145-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/3016-140-0x00000000001C0000-0x00000000001DF000-memory.dmp

        memory/3312-136-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/4576-132-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/4728-144-0x00000000001C0000-0x00000000001DF000-memory.dmp