Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 12:04

General

  • Target

    JaffaCakes118_1c28da44960497bceb166900a400237c.exe

  • Size

    161KB

  • MD5

    1c28da44960497bceb166900a400237c

  • SHA1

    6c9e64a0db223e8bca449a2fcf3cd455e3c23e87

  • SHA256

    0dc2dae8d0f1b39354050a6b0e2e698048002ae729dc6f3048f8a872714be5a8

  • SHA512

    c35223648ecce7dfcbf3a7fbefd812b23f2543dd5116bdae2fd3db042c7011dfe0b77cb8843747f4e8619fbfbcbcf41a29a7dd231eb466a43102b5f1a5d19213

  • SSDEEP

    3072:fPX021/sYkfq0ypMCj+VcicXvZff3LJZBfgVdyJw0wjbg:fPkOJ0ypFiVcicpfLz64wL0

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 2 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3316
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237c.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237c.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2156
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237cmgr.exe
          C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237cmgr.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2352
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 508
            4⤵
            • Program crash
            PID:6036
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237c.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237c.exe"
          3⤵
          • Modifies WinLogon for persistence
          • Adds Run key to start application
          • Drops desktop.ini file(s)
          • Modifies WinLogon
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1792
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1340
        • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe
          C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12mgr.exe
            C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12mgr.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:6016
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 6016 -s 504
              5⤵
              • Program crash
              PID:3292
          • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe
            "C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Modifies WinLogon
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2352 -ip 2352
      1⤵
        PID:3248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 6016 -ip 6016
        1⤵
          PID:4748

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-16379\wi1v12.exe

                Filesize

                161KB

                MD5

                1c28da44960497bceb166900a400237c

                SHA1

                6c9e64a0db223e8bca449a2fcf3cd455e3c23e87

                SHA256

                0dc2dae8d0f1b39354050a6b0e2e698048002ae729dc6f3048f8a872714be5a8

                SHA512

                c35223648ecce7dfcbf3a7fbefd812b23f2543dd5116bdae2fd3db042c7011dfe0b77cb8843747f4e8619fbfbcbcf41a29a7dd231eb466a43102b5f1a5d19213

              • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c28da44960497bceb166900a400237cmgr.exe

                Filesize

                106KB

                MD5

                fe36fb1073e6f8fa14d7250501a29aaf

                SHA1

                6c7e01278362797dabcff3e666b68227cb9af10f

                SHA256

                f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

                SHA512

                8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

              • C:\Users\Admin\AppData\Local\Temp\~TM7F13.tmp

                Filesize

                1.6MB

                MD5

                1cf5669feb127f89f57e8e9d9ac11409

                SHA1

                d8aaccbbef08cde0161bfbc0f6b7b1e8a1c43d42

                SHA256

                35f8d721f246ae3e19d204f9bcab3237448ed906a25bba14e7016e5cdd2fc2ce

                SHA512

                7ebf6cc1a5a0d1ad89666af09bbdd947c02fcb933aeb72c8aff1a378582e38e5c816f806afe87038f10215c3c6c11e50f3226146ba3358e4d6005553cf373b08

              • memory/944-39-0x0000000000400000-0x000000000042D000-memory.dmp

                Filesize

                180KB

              • memory/1792-14-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/1792-16-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/1792-20-0x0000000000410000-0x0000000000413000-memory.dmp

                Filesize

                12KB

              • memory/2156-0-0x0000000000400000-0x000000000042D000-memory.dmp

                Filesize

                180KB

              • memory/2156-22-0x0000000000400000-0x000000000042D000-memory.dmp

                Filesize

                180KB

              • memory/2352-11-0x0000000077B04000-0x0000000077B06000-memory.dmp

                Filesize

                8KB

              • memory/2352-9-0x0000000077B04000-0x0000000077B05000-memory.dmp

                Filesize

                4KB

              • memory/2352-12-0x0000000000400000-0x000000000042A000-memory.dmp

                Filesize

                168KB

              • memory/2352-13-0x0000000002140000-0x000000000216A000-memory.dmp

                Filesize

                168KB

              • memory/2352-10-0x0000000077B04000-0x0000000077B06000-memory.dmp

                Filesize

                8KB

              • memory/2352-5-0x0000000002140000-0x000000000216A000-memory.dmp

                Filesize

                168KB