Analysis

  • max time kernel
    24s
  • max time network
    26s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 17:13

Errors

Reason
Machine shutdown

General

  • Target
    BossDaMajor.exe
  • Size 1.9MB
  • Sample260620-vrml6af15r
  • SHA256 730a41a7656f606a22e9f0d68782612d6e00ab8cfe1260160b9e0b00bc2e442a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Control Panel 4 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BossDaMajor.exe
    "C:\Users\Admin\AppData\Local\Temp\BossDaMajor.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Windows\system32\wscript.exe
      "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\28EB.tmp\28EC.vbs
      2⤵
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        3⤵
          PID:1880
        • C:\Windows\System32\wscript.exe
          "C:\Windows\System32\wscript.exe" "C:\Program files\mrsmajor\mrsmajorlauncher.vbs" RunAsAdministrator
          3⤵
          • Modifies WinLogon for persistence
          • Modifies Windows Defender DisableAntiSpyware settings
          • UAC bypass
          • Disables RegEdit via registry modification
          • Modifies system executable filetype association
          • Drops file in Program Files directory
          • Access Token Manipulation: Create Process with Token
          • Modifies Control Panel
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4840
          • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
            "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" "C:\Program Files\mrsmajor\def_resource\f11.mp4"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2192
            • C:\Windows\SysWOW64\unregmp2.exe
              "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2572
              • C:\Windows\system32\unregmp2.exe
                "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
                6⤵
                • Enumerates connected drives
                • Suspicious use of AdjustPrivilegeToken
                PID:3152
          • C:\Windows\System32\shutdown.exe
            "C:\Windows\System32\shutdown.exe" -r -t 03
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:552
    • C:\Windows\System32\PickerHost.exe
      C:\Windows\System32\PickerHost.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1368
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3a17055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:4156
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k CameraMonitor
      1⤵
        PID:4732

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            CurrentDatabase_400.wmdb

            • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
            • Size 704KB
            • SHA256 e5004c8a70a8c415ea5d2c4bf263b649e9d7e1930919bab7f8abb955f06afd18
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WMSDKNS.XML.bak

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
            • Size 9KB
            • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            28EC.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\28EC.vbs
            • Size 1007B
            • SHA256 8a74eead47657582c84209eb4cdba545404d9c67dd288c605515a86e06de0aad
            • MD5 SHA1 SHA512 TLSH

            CPUUsage.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\CPUUsage.vbs
            • Size 92B
            • SHA256 28e69e90466034ce392e84db2bde3ad43ad556d12609e3860f92016641b2a738
            • MD5 SHA1 SHA512 TLSH

            DreS_X.bat

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\DreS_X.bat
            • Size 360B
            • SHA256 2590879a8cd745dbbe7ad66a548f31375ccfb0f8090d56b5e4bd5909573ac816
            • MD5 SHA1 SHA512 TLSH

            SkullIco.ico

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\Icon_resource\SkullIco.ico
            • Size 244KB
            • SHA256 4c1cfbe274f993941ac5fa512c376b6d7344800fb8be08cc6344e6c16a418311
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Launcher.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\Launcher.vbs
            • Size 590B
            • SHA256 6f0bb8cc239af15c9215867d6225c8ff344052aaa0deeb3452dbf463b8c46529
            • MD5 SHA1 SHA512 TLSH

            MrsMjrGui.exe

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\MrsMjrGui.exe
            • Size 71KB
            • SHA256 087fca40e079746b9c1dfaf777d3994c0321ea8f69d08238cdfc02fb109add1d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MrsMjrGuiLauncher.bat

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\MrsMjrGuiLauncher.bat
            • Size 98B
            • SHA256 47e6c9f62ffc41fbc555f8644ad099a96573c8c023797127f78b1a952ca1b963
            • MD5 SHA1 SHA512 TLSH

            WinLogon.bat

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\WinLogon.bat
            • Size 117B
            • SHA256 2798dad008f62aace1841edfb43146147a9cade388c419c96da788fcaa2f76bc
            • MD5 SHA1 SHA512 TLSH

            @Tile@@.jpg

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\def_resource\@Tile@@.jpg
            • Size 7KB
            • SHA256 064f135fcc026a574552f42901b51052345f4b0f122edd7acd5f2dcc023160a5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Skullcur.cur

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\def_resource\Skullcur.cur
            • Size 3KB
            • SHA256 d2b6db8b28112da51e34972dec513278a56783d24b8b5408f11997e9e67d422b
            • MD5 SHA1 SHA512 TLSH

            creepysound.mp3

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\def_resource\creepysound.mp3
            • Size 1.2MB
            • SHA256 79e9a3611494b5ffafaa79788ba7e11dd218e3800c40b56684ccc0c33ab64eac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            f11.mp4

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\def_resource\f11.mp4
            • Size 227KB
            • SHA256 a9b0f1f849e0b41924f5e80b0c4948e63fc4b4f335bbdf0f997b03a3aff55424
            • MD5 SHA1 SHA512 SSDEEP TLSH

            default.txt

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\default.txt
            • Size 266B
            • SHA256 e1ebbd3abfcaddf7d6960708f3ccd8eda64c944723f0905ff76551c692b94210
            • MD5 SHA1 SHA512 TLSH

            mrsmajorlauncher.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\mrsmajorlauncher.vbs
            • Size 3KB
            • SHA256 4d3aa3ecd16a6ba46a9d6c0bdacdcd9dce70d93585941a94e544696e3e6f7d92
            • MD5 SHA1 SHA512 TLSH

            reStart.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\28EB.tmp\mrsmajor\reStart.vbs
            • Size 638B
            • SHA256 2cbd8bc239c5cfc3ef02f8472d867dff61e5aed9fde8a3823cda28cc37d77722
            • MD5 SHA1 SHA512 TLSH

            wmsetup.log

            • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
            • Size 1KB
            • SHA256 021cbb67070bf7f0d683e97e78e41b7148b7ea3f448f209c54e7f5a8bb55fddd
            • MD5 SHA1 SHA512 TLSH

            MRS MAJOR WANTS TO MEET YOU 5.txt

            • Path C:\Users\Admin\Desktop\MRS MAJOR WANTS TO MEET YOU 5.txt
            • Size 27B
            • SHA256 afeebe824fc4a955a673d3d8569a0b49dfbc43c6cc1d4e3d66d9855c28a7a179
            • MD5 SHA1 SHA512

            memory/596-0-0x000000000040F000-0x0000000000410000-memory.dmp