hxxps://github[.]com/TheDarkMythos/windows-malware/blob/master/BossDaMajor/BossDaMajor[.]exehxxps://github[.]com/TheDarkMythos/windows-malware/blob/master/BossDaMajor/BossDaMajor[.]exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, wscript.exe \"C:\\Program Files\\mrsmajor\\Launcher.vbs\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, wscript.exe \"C:\\Program Files\\mrsmajor\\Launcher.vbs\""	wscript.exe

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wscript.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wscript.exe

Disables RegEdit via registry modification 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\disableregistrytools = "1"	wscript.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\disableregistrytools = "1"	wscript.exe

Disables Task Manager via registry modification
evasion
Downloads MZ/PE file

Checks computer location settings 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	BossDaMajor.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	BossDaMajor.exe

Executes dropped EXE 2 IoCs

pid	Process
6100	BossDaMajor.exe
3944	BossDaMajor.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe

Enumerates connected drives 3 TTPs 46 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

defense_evasion privilege_escalation

description	ioc	Process
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
56	raw.githubusercontent.com
57	raw.githubusercontent.com

Drops file in Program Files directory 16 IoCs

description	ioc	Process
File created	C:\Program Files\mrsmajor\def_resource\Skullcur.cur	wscript.exe
File created	C:\Program Files\mrsmajor\mrsmajorlauncher.vbs	wscript.exe
File created	C:\Program Files\mrsmajor\MrsMjrGuiLauncher.bat	wscript.exe
File opened for modification	C:\Program Files\mrsmajor\CPUUsage.vbs	wscript.exe
File created	C:\Program Files\mrsmajor\Icon_resource\SkullIco.ico	wscript.exe
File created	C:\Program Files\mrsmajor\Doll_patch.xml	wscript.exe
File created	C:\Program Files\mrsmajor\default.txt	wscript.exe
File created	C:\Program Files\mrsmajor\def_resource\creepysound.mp3	wscript.exe
File created	C:\Program Files\mrsmajor\def_resource\f11.mp4	wscript.exe
File created	C:\Program Files\mrsmajor\MrsMjrGui.exe	wscript.exe
File created	C:\Program Files\mrsmajor\reStart.vbs	wscript.exe
File created	C:\Program Files\mrsmajor\CPUUsage.vbs	wscript.exe
File created	C:\Program Files\mrsmajor\def_resource\@Tile@@.jpg	wscript.exe
File created	C:\Program Files\mrsmajor\DreS_X.bat	wscript.exe
File created	C:\Program Files\mrsmajor\Launcher.vbs	wscript.exe
File created	C:\Program Files\mrsmajor\WinLogon.bat	wscript.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe

Access Token Manipulation: Create Process with Token 1 TTPs 2 IoCs

Create Process with Token

T1134.002

pid	Process
5904	wscript.exe
4264	wscript.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BossDaMajor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BossDaMajor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Kills process with taskkill 12 IoCs

pid	Process
5200	taskkill.exe
5568	taskkill.exe
2236	taskkill.exe
5524	taskkill.exe
5608	taskkill.exe
3956	taskkill.exe
6012	taskkill.exe
5232	taskkill.exe
3564	taskkill.exe
2284	taskkill.exe
5452	taskkill.exe
6016	taskkill.exe

Modifies Control Panel 8 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\Arrow = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\AppStarting = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\Hand = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\Arrow = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\AppStarting = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Cursors\Hand = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe

Modifies registry class 13 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\DefaultIcon	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-493223053-2004649691-1575712786-1000\{08BBDF36-A459-4022-AD1C-9B9DBBD56FF6}	wmplayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file\DefaultIcon	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mp4file\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	wscript.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\Unconfirmed 776750.crdownload:SmartScreen	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2812	msedge.exe
2812	msedge.exe
4436	msedge.exe
4436	msedge.exe
2956	identity_helper.exe
2956	identity_helper.exe
5952	msedge.exe
5952	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3012	wmplayer.exe
Token: SeCreatePagefilePrivilege	3012	wmplayer.exe
Token: SeShutdownPrivilege	2724	unregmp2.exe
Token: SeCreatePagefilePrivilege	2724	unregmp2.exe
Token: 33	5908	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	5908	AUDIODG.EXE
Token: SeShutdownPrivilege	3012	wmplayer.exe
Token: SeCreatePagefilePrivilege	3012	wmplayer.exe
Token: SeDebugPrivilege	5232	taskkill.exe
Token: SeDebugPrivilege	5200	taskkill.exe
Token: SeDebugPrivilege	5568	taskkill.exe
Token: SeDebugPrivilege	2236	taskkill.exe
Token: SeDebugPrivilege	3564	taskkill.exe
Token: SeShutdownPrivilege	5088	shutdown.exe
Token: SeRemoteShutdownPrivilege	5088	shutdown.exe
Token: SeDebugPrivilege	5524	taskkill.exe
Token: SeDebugPrivilege	5608	taskkill.exe

Suspicious use of FindShellTrayWindow 37 IoCs

pid	Process
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
3012	wmplayer.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe
4436	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 2200	4436	msedge.exe	83
PID 4436 wrote to memory of 2200	4436	msedge.exe	83
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 5052	4436	msedge.exe	84
PID 4436 wrote to memory of 2812	4436	msedge.exe	85
PID 4436 wrote to memory of 2812	4436	msedge.exe	85
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86
PID 4436 wrote to memory of 4128	4436	msedge.exe	86

System policy modification 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system	wscript.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system	wscript.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wscript.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://github.com/TheDarkMythos/windows-malware/blob/master/BossDaMajor/BossDaMajor.exehttps://github.com/TheDarkMythos/windows-malware/blob/master/BossDaMajor/BossDaMajor.exe
1⤵
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xb4,0x108,0x7ff90bc646f8,0x7ff90bc64708,0x7ff90bc64718
  2⤵
  PID:2200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
  2⤵
  PID:5052
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2936 /prefetch:8
  2⤵
  PID:4128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:1
  2⤵
  PID:4336
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3440 /prefetch:1
  2⤵
  PID:4824
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5528 /prefetch:8
  2⤵
  PID:3888
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5528 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2632 /prefetch:1
  2⤵
  PID:1852
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5332 /prefetch:1
  2⤵
  PID:4856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4756 /prefetch:1
  2⤵
  PID:1732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4736 /prefetch:1
  2⤵
  PID:3452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5356 /prefetch:8
  2⤵
  PID:5580
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5900 /prefetch:1
  2⤵
  PID:5588
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6388 /prefetch:8
  2⤵
  PID:5748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2108,12040257765733230394,11201402216489952951,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6164 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5952
- C:\Users\Admin\Downloads\BossDaMajor.exe
  "C:\Users\Admin\Downloads\BossDaMajor.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:6100
- - C:\Windows\system32\wscript.exe
    "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\EA6F.tmp\EA70.vbs
    3⤵
    - Checks computer location settings
    - Drops file in Program Files directory
    PID:232
  - - C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      4⤵
      PID:5612
  - - C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Program files\mrsmajor\mrsmajorlauncher.vbs" RunAsAdministrator
      4⤵
      Modifies WinLogon for persistence
      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
      System policy modification
      PID:5904
    - - 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"
        5⤵
        Enumerates connected drives
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of FindShellTrayWindow
        
        PID:3012
      - C:\Windows\SysWOW64\unregmp2.exe
        
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:5172
        
        C:\Windows\system32\unregmp2.exe
        
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        7⤵
        Enumerates connected drives
        Suspicious use of AdjustPrivilegeToken
        
        PID:2724
    - - C:\Windows\System32\shutdown.exe
        
        "C:\Windows\System32\shutdown.exe" -r -t 03
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:5088
- C:\Users\Admin\Downloads\BossDaMajor.exe
  "C:\Users\Admin\Downloads\BossDaMajor.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3944
- - C:\Windows\system32\wscript.exe
    "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\EA60.tmp\EA61.vbs
    3⤵
    - Checks computer location settings
    PID:2004
  - - C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      4⤵
      PID:5760
  - - C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Program files\mrsmajor\mrsmajorlauncher.vbs" RunAsAdministrator
      4⤵
      Modifies WinLogon for persistence
      UAC bypass
      Disables RegEdit via registry modification
      Checks computer location settings
      Access Token Manipulation: Create Process with Token
      Modifies Control Panel
      Modifies registry class
      System policy modification
      PID:4264
    - - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
        
        "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" "C:\Program Files\mrsmajor\def_resource\creepysound.mp3"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3588
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Program Files\mrsmajor\DreS_X.bat"
        5⤵
        
        PID:3552
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im chrome.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:5232
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im taskmgr.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:5200
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im iexplore.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:5568
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im opera.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2236
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im yandex.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3564
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im firefox.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:5524
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im microsoftedge.exe
        6⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:5608
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im msedge.exe
        6⤵
        Kills process with taskkill
        
        PID:3956
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im mspaint.exe
        6⤵
        Kills process with taskkill
        
        PID:2284
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im dllhost.exe
        6⤵
        Kills process with taskkill
        
        PID:5452
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im notepad.exe
        6⤵
        Kills process with taskkill
        
        PID:6012
      - C:\Windows\system32\taskkill.exe
        
        taskkill /f /im bing.exe
        6⤵
        Kills process with taskkill
        
        PID:6016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4488

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:632

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f0 0x4c0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5908

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3885855 /state1:0x41c64e6d
1⤵
PID:6056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery