Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/10/2026, 22:30

General

  • Target
    jaffacakes118_Worm.Win32.Delf.bq.exe
  • Size 852KB
  • Sample261015-2e37pset5q
  • SHA256 8e1d777fd4d5c1b9c8121c3e1bc80e815eb58afae00a82bff98278841f21e8cd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 4 IoCs
  • Disables Task Manager via registry modification
  • Disables cmd.exe use via registry modification 3 IoCs
  • Disables use of System Restore points 1 TTPs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Modifies system executable filetype association 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops autorun.inf file 1 TTPs 6 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Delf.bq.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Delf.bq.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Delf.bq.exe
      "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Delf.bq.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Disables cmd.exe use via registry modification
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:4852
  • C:\Windows\explorer.exe
    Explorer.exe C:\Windows\msdos.pif
    1⤵
      PID:3048
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\msdos.pif
        "C:\Windows\msdos.pif"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5852
        • C:\Windows\msdos.pif
          "C:\Windows\msdos.pif"
          3⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visibility of hidden/system files in Explorer
          • Disables RegEdit via registry modification
          • Disables cmd.exe use via registry modification
          • Executes dropped EXE
          • Modifies system executable filetype association
          • Adds Run key to start application
          • Enumerates connected drives
          • Drops autorun.inf file
          • Drops file in System32 directory
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • System policy modification
          PID:5840
    • C:\Windows\system32\ctfmon.exe
      /QuitInfo:0000000000000268;000000000000026C;
      1⤵
      • Checks SCSI registry key(s)
      PID:2160
    • C:\Windows\system32\ctfmon.exe
      /QuitInfo:0000000000000268;000000000000026C;
      1⤵
      • Checks SCSI registry key(s)
      PID:1124
    • C:\Windows\system32\ctfmon.exe
      /QuitInfo:0000000000000268;000000000000026C;
      1⤵
        PID:1640
      • C:\Windows\system32\ctfmon.exe
        /QuitInfo:0000000000000268;000000000000026C;
        1⤵
        • Checks SCSI registry key(s)
        PID:6096
      • C:\Windows\system32\ctfmon.exe
        /QuitInfo:0000000000000268;000000000000026C;
        1⤵
          PID:4720
        • C:\Windows\system32\ctfmon.exe
          /QuitInfo:0000000000000268;000000000000026C;
          1⤵
          • Checks SCSI registry key(s)
          PID:6088
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:5256
          • C:\Windows\system32\ctfmon.exe
            /QuitInfo:0000000000000268;000000000000026C;
            1⤵
              PID:6040
            • C:\Windows\system32\ctfmon.exe
              /QuitInfo:0000000000000268;000000000000026C;
              1⤵
              • Checks SCSI registry key(s)
              PID:2468
            • C:\Windows\system32\ctfmon.exe
              /QuitInfo:0000000000000268;000000000000026C;
              1⤵
              • Checks SCSI registry key(s)
              PID:2356

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  Explorer.exe

                  • Path C:\Program Files (x86)\Common Files\Explorer.exe
                  • Size 892KB
                  • SHA256 1fdbfafa996536db21482d48a4223a7ec093beb724a0e9611c110fe563c22f6b
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  MsFirewall.exe

                  • Path C:\Windows\SysWOW64\MsFirewall.exe
                  • Size 895KB
                  • SHA256 2449c6c557e413909dacdfcb1bf5fa4c4eefe0fc42462512468c908e8d66f2ab
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  msdos.pif

                  • Path C:\Windows\msdos.pif
                  • Size 899KB
                  • SHA256 0c52091b8ecf6b8beb233eb1eafe910795e41c9e387f842c65c535477e3ca3b0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  autorun.inf

                  • Path C:\autorun.inf
                  • Size 99B
                  • SHA256 5e1ea8eb64d5c17d9a9255f7278c15a17a40d094856f297eb8a2ff697005b288
                  • MD5 SHA1 SHA512 TLSH

                  autorun.inf

                  • Path F:\autorun.inf
                  • Size 102B
                  • SHA256 84c535cd42b0f384771323792d320a422e286a5748025e117a99f80662408fe3
                  • MD5 SHA1 SHA512 TLSH

                  memory/4852-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

                  memory/4852-48-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/4852-17-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/4852-2-0x00000000006F0000-0x00000000006F1000-memory.dmp

                  memory/4852-38-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/4884-0-0x0000000002250000-0x0000000002251000-memory.dmp

                  memory/4884-1-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-39-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-41-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-43-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-45-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-47-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-49-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-51-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5840-53-0x0000000000400000-0x000000000049D000-memory.dmp

                  memory/5852-29-0x0000000000400000-0x000000000049D000-memory.dmp