Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 23:01

General

  • Target
    038eb89f9e97252b2424309e9dd25e38_JaffaCakes118.exe
  • Size 62KB
  • Sample240930-2zrdmsygrr
  • SHA256 db56d4e2f3e6341bf1e5c37e20698eb9a67fc29ab85ec3734f47abfe126a5e5b
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Contacts a large (555) amount of remote hosts 1 TTPs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 39 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\038eb89f9e97252b2424309e9dd25e38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\038eb89f9e97252b2424309e9dd25e38_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:5064
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:344
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\038eb89f9e97252b2424309e9dd25e38_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:3052
  • 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:5072

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 62KB
        • SHA256 db56d4e2f3e6341bf1e5c37e20698eb9a67fc29ab85ec3734f47abfe126a5e5b
        • MD5 SHA1 SHA512 SSDEEP

        memory/344-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

        memory/344-13-0x00000000001C0000-0x00000000001DF000-memory.dmp

        memory/1616-0-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1616-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/1616-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/3052-40-0x00000000001C0000-0x00000000001DF000-memory.dmp

        memory/5064-6-0x0000000000500000-0x000000000051F000-memory.dmp

        memory/5064-8-0x0000000000500000-0x000000000051F000-memory.dmp

        memory/5064-7-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/5072-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-36-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-14-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-80-0x00000000001E0000-0x00000000001FF000-memory.dmp

        memory/5072-260-0x00000000001E0000-0x00000000001FF000-memory.dmp