Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/09/2026, 23:43

General

  • Target
    jaffacakes118__157ac962e525c712d109d45ded1568dd.exe
  • Size 255KB
  • Sample260920-3qtyvaea85
  • SHA256 4fbac644caf4153f58726ce5f5acb845f3cafa533502300d9334a52dfb578229
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 64 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • UPX packed file 64 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118__157ac962e525c712d109d45ded1568dd.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118__157ac962e525c712d109d45ded1568dd.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\jisjwbtnsa.exe
      jisjwbtnsa.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4200
      • C:\Windows\SysWOW64\smvuupnt.exe
        C:\Windows\system32\smvuupnt.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:452
    • C:\Windows\SysWOW64\ncqkwnyezbdczwj.exe
      ncqkwnyezbdczwj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3972
    • C:\Windows\SysWOW64\smvuupnt.exe
      smvuupnt.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3976
    • C:\Windows\SysWOW64\gkyxaeflyrhbf.exe
      gkyxaeflyrhbf.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3932
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PROTTPLN.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 255KB
        • SHA256 cbdf85e01a9f9e855d1d4a711b502a99cc028302f524525549e43decfe3a4504
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 255KB
        • SHA256 075cc6433a89abd4f5ace14221fa5c4c9d688d589248df3d856c9f35007b115e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sist02.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDF63E.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 334B
        • SHA256 2bfa9abe17c9f8a9a920393f9c7be9ac76a6b6662469633f33f0e044970e8a66
        • MD5 SHA1 SHA512 TLSH

        CUSTOM.DIC

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
        • Size 16B
        • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
        • MD5 SHA1 SHA512

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 062f06f212572602bd33a356921dbd81e72ae48260b3d7bbb55bf4709c5c9284
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 2KB
        • SHA256 6499a266f4fb16f04bad6be7d4a8f36f7282b38a287084bb2e6fa23da578ef6d
        • MD5 SHA1 SHA512 TLSH

        WaitDisable.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\SuspendPush\WaitDisable.doc.exe
        • Size 255KB
        • SHA256 4d0a1944e3b459183c136e8e20e2ec5fc4e14a4c00bec9debe161ee438a33367
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gkyxaeflyrhbf.exe

        • Path C:\Windows\SysWOW64\gkyxaeflyrhbf.exe
        • Size 255KB
        • SHA256 234d848fa7f15972bd552b8178963b90afd2f9791ab068288fa0ce6e182edcfe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jisjwbtnsa.exe

        • Path C:\Windows\SysWOW64\jisjwbtnsa.exe
        • Size 255KB
        • SHA256 3c5820b68959d8d9c2c39a8eb8bea31cd4c42cb9dfd35e481248d443f585e648
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ncqkwnyezbdczwj.exe

        • Path C:\Windows\SysWOW64\ncqkwnyezbdczwj.exe
        • Size 255KB
        • SHA256 9417656d7aa1d34033969e53244678460a7c3465744576f15c48381b8ce53c30
        • MD5 SHA1 SHA512 SSDEEP TLSH

        smvuupnt.exe

        • Path C:\Windows\SysWOW64\smvuupnt.exe
        • Size 255KB
        • SHA256 4b814839581e4cdcc298b778a172adeb520c10440917162fc9ad332bf2cd87f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydoc.rtf

        • Path C:\Windows\mydoc.rtf
        • Size 223B
        • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
        • MD5 SHA1 SHA512 TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 e769077f550c8d3427d55820b037991d88e11dbbe39e21c1f2edd5e9cb808974
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 6d02ff08450d813f432705fb1affeb06ff182c764c53d190ee62ab42e5552ed3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/452-243-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-42-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-266-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-248-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-86-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-261-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-253-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-228-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/452-87-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1940-1-0x000000000049F000-0x00000000004A0000-memory.dmp

        memory/1940-35-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1940-0-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2636-294-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-293-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-36-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-38-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-295-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-40-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-292-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-39-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-37-0x00007FFCCF990000-0x00007FFCCF9A0000-memory.dmp

        memory/2636-44-0x00007FFCCD030000-0x00007FFCCD040000-memory.dmp

        memory/2636-43-0x00007FFCCD030000-0x00007FFCCD040000-memory.dmp

        memory/3932-304-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-276-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-227-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-298-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-270-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-273-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-242-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-31-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-260-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-279-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-301-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-247-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-85-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-252-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3932-81-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-306-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-275-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-245-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-278-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-79-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-256-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-250-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-297-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-83-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-303-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-225-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-240-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-272-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-269-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3972-300-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-80-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-251-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-84-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-226-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-267-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-257-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-241-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/3976-246-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-244-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-274-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-255-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-271-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-239-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-296-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-277-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-249-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-299-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-224-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-268-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-302-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-82-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-78-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-305-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4200-24-0x0000000000400000-0x00000000004A0000-memory.dmp