Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 18:09

General

  • Target
    jaffacakes118_Trojan-Dropper.Win32.Delf.dcoy.exe
  • Size 9.1MB
  • Sample261009-wry6macw4s
  • SHA256 42c6682f320d7e2d7dfb88e5ac7a0e60adbbbc38ccde405fb1d06abbd376f6e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 25 IoCs
  • Drops file in System32 directory 16 IoCs
  • UPX packed file 15 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 26 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Delf.dcoy.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Delf.dcoy.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Users\Admin\AppData\Local\Temp\tmp240724140.exe
      C:\Users\Admin\AppData\Local\Temp\tmp240724140.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\SysWOW64\notpad.exe
        "C:\Windows\system32\notpad.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Users\Admin\AppData\Local\Temp\tmp240725390.exe
          C:\Users\Admin\AppData\Local\Temp\tmp240725390.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\notpad.exe
            "C:\Windows\system32\notpad.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4968
            • C:\Users\Admin\AppData\Local\Temp\tmp240725734.exe
              C:\Users\Admin\AppData\Local\Temp\tmp240725734.exe
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:4604
              • C:\Windows\SysWOW64\notpad.exe
                "C:\Windows\system32\notpad.exe"
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:276
                • C:\Users\Admin\AppData\Local\Temp\tmp240726171.exe
                  C:\Users\Admin\AppData\Local\Temp\tmp240726171.exe
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:1280
                  • C:\Windows\SysWOW64\notpad.exe
                    "C:\Windows\system32\notpad.exe"
                    9⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:4196
                    • C:\Users\Admin\AppData\Local\Temp\tmp240726406.exe
                      C:\Users\Admin\AppData\Local\Temp\tmp240726406.exe
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:1728
                      • C:\Windows\SysWOW64\notpad.exe
                        "C:\Windows\system32\notpad.exe"
                        11⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:4396
                        • C:\Users\Admin\AppData\Local\Temp\tmp240726843.exe
                          C:\Users\Admin\AppData\Local\Temp\tmp240726843.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:364
                        • C:\Users\Admin\AppData\Local\Temp\tmp240726890.exe
                          C:\Users\Admin\AppData\Local\Temp\tmp240726890.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:5404
                          • C:\Users\Admin\AppData\Local\Temp\tmp240726968.exe
                            C:\Users\Admin\AppData\Local\Temp\tmp240726968.exe
                            13⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            PID:4956
                          • C:\Users\Admin\AppData\Local\Temp\tmp240727000.exe
                            C:\Users\Admin\AppData\Local\Temp\tmp240727000.exe
                            13⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            PID:6096
                    • C:\Users\Admin\AppData\Local\Temp\tmp240726437.exe
                      C:\Users\Admin\AppData\Local\Temp\tmp240726437.exe
                      10⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5248
                      • C:\Users\Admin\AppData\Local\Temp\tmp240726609.exe
                        C:\Users\Admin\AppData\Local\Temp\tmp240726609.exe
                        11⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1508
                      • C:\Users\Admin\AppData\Local\Temp\tmp240726703.exe
                        C:\Users\Admin\AppData\Local\Temp\tmp240726703.exe
                        11⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4792
                • C:\Users\Admin\AppData\Local\Temp\tmp240726203.exe
                  C:\Users\Admin\AppData\Local\Temp\tmp240726203.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2440
                  • C:\Users\Admin\AppData\Local\Temp\tmp240726312.exe
                    C:\Users\Admin\AppData\Local\Temp\tmp240726312.exe
                    9⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:3972
                  • C:\Users\Admin\AppData\Local\Temp\tmp240726484.exe
                    C:\Users\Admin\AppData\Local\Temp\tmp240726484.exe
                    9⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:1512
            • C:\Users\Admin\AppData\Local\Temp\tmp240725765.exe
              C:\Users\Admin\AppData\Local\Temp\tmp240725765.exe
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:1068
        • C:\Users\Admin\AppData\Local\Temp\tmp240725453.exe
          C:\Users\Admin\AppData\Local\Temp\tmp240725453.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4840
    • C:\Users\Admin\AppData\Local\Temp\tmp240724453.exe
      C:\Users\Admin\AppData\Local\Temp\tmp240724453.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Users\Admin\AppData\Local\Temp\tmp240724687.exe
        C:\Users\Admin\AppData\Local\Temp\tmp240724687.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1528
      • C:\Users\Admin\AppData\Local\Temp\tmp240724750.exe
        C:\Users\Admin\AppData\Local\Temp\tmp240724750.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp240724140.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp240724140.exe
        • Size 461KB
        • SHA256 12269c2d6799dbfd99cbc095f41972bfffc10531a63bf459dc66d0b539d821eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tmp240724453.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp240724453.exe
        • Size 539KB
        • SHA256 1bed679eaf1b491b4fea8da1f51cb5dc4b732b431eeb0897d5dd3165b2d88acb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tmp240724640.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp240724640.exe
        • Size 10KB
        • SHA256 d8cf7e947759745d9693a3242e582dd80a25c0e78fc5efe9e3228577a0988c7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tmp240724750.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp240724750.exe
        • Size 67KB
        • SHA256 865f34fe7ba81e9622ddbdfc511547d190367bbf3dad21ceb6da3eec621044f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tmp240725453.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp240725453.exe
        • Size 300KB
        • SHA256 9987e3a723a5fc20b2a456c9d124b931c4e402a84a1646fd4617d83aaeb20cf6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notpad.exe

        • Path C:\Windows\SysWOW64\notpad.exe
        • Size 772KB
        • SHA256 075b73b3bc5daa79da0ab60e14fa327577d561efaa555d83f2bfcdf6bd89759c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notpad.exe

        • Path C:\Windows\SysWOW64\notpad.exe
        • Size 1.2MB
        • SHA256 c88c651f20223f90d9b8d09b15b7852172bbede6be24782752bf27eefbc16c06
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fsb.stb

        • Path C:\fsb.stb
        • Size 10KB
        • SHA256 f6ab4ba25b6075aa5a76d006c434e64cad37fdb2ff242c848c98fad5167a1bfc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/276-94-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/364-150-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1280-96-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1416-54-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1508-138-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1528-28-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/1728-142-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/2440-124-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3356-29-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3356-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3928-34-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3972-122-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4160-39-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4196-128-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4396-158-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4604-76-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4956-169-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4968-70-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5024-56-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/5248-140-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5404-168-0x0000000000400000-0x000000000041F000-memory.dmp