Analysis

  • max time kernel
    30s
  • max time network
    52s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260130-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    22/02/2026, 01:58

Errors

Reason
Machine shutdown

General

  • Target
    The-MALWARE-Repo-master/Trojan/MrsMajors/BossDaMajor/BossDaMajor.exe
  • Size 1.9MB
  • Sample260222-cdtt7sb16e
  • 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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 1 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 15 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\MrsMajors\BossDaMajor\BossDaMajor.exe
    "C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\MrsMajors\BossDaMajor\BossDaMajor.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5400
    • C:\Windows\system32\wscript.exe
      "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\433E.tmp\433F.vbs
      2⤵
      • Checks computer location settings
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        3⤵
          PID:4316
        • 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
          • Checks computer location settings
          • 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:5300
          • 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⤵
            • Drops desktop.ini file(s)
            • Enumerates connected drives
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:992
            • C:\Windows\SysWOW64\unregmp2.exe
              "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:6100
              • C:\Windows\system32\unregmp2.exe
                "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
                6⤵
                • Enumerates connected drives
                • Suspicious use of AdjustPrivilegeToken
                PID:4704
          • C:\Windows\System32\shutdown.exe
            "C:\Windows\System32\shutdown.exe" -r -t 03
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3820
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
      1⤵
      • Drops file in Windows directory
      PID:5664
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa39dc855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:4064

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CurrentDatabase_400.wmdb

          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
          • Size 64KB
          • SHA256 0e580344217d851c4a130f4dbe0bc998eb22a7fa538c4e45d9b7f503f89a2fee
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CurrentDatabase_400.wmdb

          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
          • Size 1024KB
          • SHA256 00afba86fa0aa2939580faff6a94a81a9d86e3e024b23e26777a76b32201a3c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalMLS_3.wmdb

          • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
          • Size 68KB
          • SHA256 6ecb7a07a4dec42ed1973f5ffb3e21fb62058a321f646bd2dbf8f7074f949694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WMSDKNS.DTD

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
          • Size 498B
          • SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
          • MD5 SHA1 SHA512 TLSH

          WMSDKNS.XML

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

          433F.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\433F.vbs
          • Size 1007B
          • SHA256 8a74eead47657582c84209eb4cdba545404d9c67dd288c605515a86e06de0aad
          • MD5 SHA1 SHA512 TLSH

          CPUUsage.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\CPUUsage.vbs
          • Size 92B
          • SHA256 28e69e90466034ce392e84db2bde3ad43ad556d12609e3860f92016641b2a738
          • MD5 SHA1 SHA512 TLSH

          DreS_X.bat

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\DreS_X.bat
          • Size 360B
          • SHA256 2590879a8cd745dbbe7ad66a548f31375ccfb0f8090d56b5e4bd5909573ac816
          • MD5 SHA1 SHA512 TLSH

          SkullIco.ico

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\Icon_resource\SkullIco.ico
          • Size 244KB
          • SHA256 4c1cfbe274f993941ac5fa512c376b6d7344800fb8be08cc6344e6c16a418311
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Launcher.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\Launcher.vbs
          • Size 590B
          • SHA256 6f0bb8cc239af15c9215867d6225c8ff344052aaa0deeb3452dbf463b8c46529
          • MD5 SHA1 SHA512 TLSH

          MrsMjrGui.exe

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\MrsMjrGui.exe
          • Size 71KB
          • SHA256 087fca40e079746b9c1dfaf777d3994c0321ea8f69d08238cdfc02fb109add1d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MrsMjrGuiLauncher.bat

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\MrsMjrGuiLauncher.bat
          • Size 98B
          • SHA256 47e6c9f62ffc41fbc555f8644ad099a96573c8c023797127f78b1a952ca1b963
          • MD5 SHA1 SHA512 TLSH

          WinLogon.bat

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\WinLogon.bat
          • Size 117B
          • SHA256 2798dad008f62aace1841edfb43146147a9cade388c419c96da788fcaa2f76bc
          • MD5 SHA1 SHA512 TLSH

          @Tile@@.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\def_resource\@Tile@@.jpg
          • Size 7KB
          • SHA256 064f135fcc026a574552f42901b51052345f4b0f122edd7acd5f2dcc023160a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Skullcur.cur

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\def_resource\Skullcur.cur
          • Size 3KB
          • SHA256 d2b6db8b28112da51e34972dec513278a56783d24b8b5408f11997e9e67d422b
          • MD5 SHA1 SHA512 TLSH

          creepysound.mp3

          • Path C:\Users\Admin\AppData\Local\Temp\433E.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\433E.tmp\mrsmajor\def_resource\f11.mp4
          • Size 227KB
          • SHA256 a9b0f1f849e0b41924f5e80b0c4948e63fc4b4f335bbdf0f997b03a3aff55424
          • MD5 SHA1 SHA512 SSDEEP TLSH

          default.txt

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\default.txt
          • Size 266B
          • SHA256 e1ebbd3abfcaddf7d6960708f3ccd8eda64c944723f0905ff76551c692b94210
          • MD5 SHA1 SHA512 TLSH

          mrsmajorlauncher.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\433E.tmp\mrsmajor\mrsmajorlauncher.vbs
          • Size 3KB
          • SHA256 4d3aa3ecd16a6ba46a9d6c0bdacdcd9dce70d93585941a94e544696e3e6f7d92
          • MD5 SHA1 SHA512 TLSH

          reStart.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\433E.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 fdf6809f8e7310731d14db5de6e2a1ad57a6b7c40303a4fe28aa298bbd7967bd
          • 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/992-149-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-163-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-196-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-127-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-129-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-128-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-126-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-132-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-133-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-134-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-135-0x00000000053A0000-0x00000000053B0000-memory.dmp

          memory/992-195-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-193-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-192-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-141-0x0000000005840000-0x0000000005850000-memory.dmp

          memory/992-143-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-145-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-146-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-147-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-148-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-191-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-151-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-150-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-154-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-153-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-152-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-156-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-157-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-158-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-161-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-160-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-159-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-162-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-190-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-164-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-165-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-166-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-167-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-169-0x0000000005840000-0x0000000005850000-memory.dmp

          memory/992-168-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-170-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-172-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-171-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-173-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-175-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-174-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-178-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-180-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-179-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-177-0x00000000058B0000-0x00000000058C0000-memory.dmp

          memory/992-176-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-185-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-186-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-184-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-189-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-188-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/992-187-0x00000000058A0000-0x00000000058B0000-memory.dmp

          memory/4316-137-0x0000021250740000-0x0000021250854000-memory.dmp

          memory/4704-125-0x000001DC27700000-0x000001DC2770C000-memory.dmp

          memory/4704-124-0x000001DC29320000-0x000001DC29434000-memory.dmp

          memory/4996-46-0x000001EA0C7F0000-0x000001EA0C7FC000-memory.dmp

          memory/4996-45-0x000001EA0E340000-0x000001EA0E454000-memory.dmp

          memory/5300-182-0x0000027641C90000-0x0000027641C9C000-memory.dmp

          memory/5300-181-0x0000027643820000-0x0000027643934000-memory.dmp

          memory/5400-0-0x000000000040F000-0x0000000000410000-memory.dmp