Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/09/2026, 10:15

General

  • Target
    jaffacakes118__42edb8987185267b49a6cadf33cc44b1.dll
  • Size 163KB
  • Sample260920-macfvsfn9z
  • SHA256 68a9095453aa6c84ec523c08dff1d66fdb1896faadab0cf3e54a4caa7b871f53
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Conficker

    Conficker is a Windows worm written in C++.

  • Detects Conficker worm 4 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 43 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118__42edb8987185267b49a6cadf33cc44b1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118__42edb8987185267b49a6cadf33cc44b1.dll,#1
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\SysWOW64\explorer.exe
        explorer C:\Users\Admin\AppData
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1464
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:572
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1356

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/572-12-0x000000000C690000-0x000000000C84E000-memory.dmp

          memory/4372-0-0x0000000010000000-0x000000001001B000-memory.dmp

          memory/4372-4-0x0000000000E80000-0x0000000000EA1000-memory.dmp

          memory/4372-5-0x0000000000E80000-0x0000000000EA1000-memory.dmp

          memory/4372-7-0x0000000000E80000-0x0000000000EA1000-memory.dmp

          memory/4372-8-0x000000007F540000-0x000000007F541000-memory.dmp

          memory/4372-11-0x0000000000E80000-0x0000000000EA1000-memory.dmp

          memory/4372-10-0x0000000010000000-0x000000001001B000-memory.dmp