hxxps://github[.]com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3[.]0[.]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

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	wscript.exe

UAC bypass 3 TTPs 2 IoCs

defense_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 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\disableregistrytools = "1"	wscript.exe

Disables Task Manager via registry modification
defense_evasion

Downloads MZ/PE file 2 IoCs

flow	pid	Process
76	5964	msedge.exe
76	5964	msedge.exe

Checks computer location settings 2 TTPs 5 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-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\International\Geo\Nation	BossDaMajor.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\International\Geo\Nation	MrsMajor3.0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\International\Geo\Nation	wscript.exe

Executes dropped EXE 3 IoCs

pid	Process
4696	MrsMajor3.0.exe
3436	eulascr.exe
5240	BossDaMajor.exe

Loads dropped DLL 2 IoCs

pid	Process
3436	eulascr.exe
5600	msedge.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

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/files/0x0007000000028202-450.dat	agile_net
behavioral1/memory/3436-452-0x00000000003A0000-0x00000000003CA000-memory.dmp	agile_net

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File opened for modification	C:\Users\Public\Videos\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	wmplayer.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)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\D:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\D:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 IoCs

Web Service

T1102

flow	ioc
95	drive.google.com
96	drive.google.com
71	raw.githubusercontent.com
72	raw.githubusercontent.com
73	raw.githubusercontent.com
74	raw.githubusercontent.com
75	raw.githubusercontent.com
76	raw.githubusercontent.com

Drops file in Program Files directory 15 IoCs

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

Drops file in Windows directory 16 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_2071322875\_metadata\verified_contents.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1764847500\manifest.fingerprint	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1764847500\Microsoft.CognitiveServices.Speech.core.dll	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_2071322875\sets.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_2071322875\manifest.fingerprint	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1898421532\manifest.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1898421532\manifest.fingerprint	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1106970540\manifest.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1106970540\manifest.fingerprint	msedge.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_2071322875\manifest.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1106970540\well_known_domains.dll	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1764847500\manifest.json	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_2071322875\LICENSE	msedge.exe
File created	C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping5600_1898421532\typosquatting_list.pb	msedge.exe

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

Create Process with Token

T1134.002

pid	Process
5636	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 10 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	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BossDaMajor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.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\SystemProductName	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Modifies Control Panel 4 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\Cursors\Arrow = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\Cursors\AppStarting = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\Cursors\Hand = "C:\\Program Files\\mrsmajor\\def_resource\\skullcur.cur"	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\Control Panel\Cursors	wscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies data under HKEY_USERS 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "154"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	msedge.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133867995978624616"	msedge.exe

Modifies registry class 16 IoCs

description	ioc	Process
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\DefaultIcon	wscript.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2067557190-3677960511-2209622391-1000\{E915F942-25A2-4511-8E3F-6713F46113A7}	wmplayer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon\ = "C:\\Program Files\\mrsmajor\\Icon_resource\\SkullIco.ico"	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\exefile\DefaultIcon	wscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mp3file\DefaultIcon	wscript.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2067557190-3677960511-2209622391-1000\{F143BC69-560A-484E-B4A3-BEB999558489}	msedge.exe
Key created	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000_Classes\Local Settings	OpenWith.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\MACHINE\SOFTWARE\Classes\inifile\DefaultIcon	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000_Classes\Local Settings	msedge.exe
Key created	\REGISTRY\USER\S-1-5-21-2067557190-3677960511-2209622391-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon	wscript.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3996	msedge.exe
3996	msedge.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
5316	OpenWith.exe
4148	OpenWith.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	eulascr.exe
Token: SeShutdownPrivilege	4964	wmplayer.exe
Token: SeCreatePagefilePrivilege	4964	wmplayer.exe
Token: SeShutdownPrivilege	3460	unregmp2.exe
Token: SeCreatePagefilePrivilege	3460	unregmp2.exe
Token: 33	4232	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4232	AUDIODG.EXE
Token: SeShutdownPrivilege	4964	wmplayer.exe
Token: SeCreatePagefilePrivilege	4964	wmplayer.exe
Token: SeShutdownPrivilege	4332	shutdown.exe
Token: SeRemoteShutdownPrivilege	4332	shutdown.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe
5600	msedge.exe

Suspicious use of SetWindowsHookEx 48 IoCs

pid	Process
4696	MrsMajor3.0.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
5316	OpenWith.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
4148	OpenWith.exe
8	LogonUI.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5600 wrote to memory of 2744	5600	msedge.exe	80
PID 5600 wrote to memory of 2744	5600	msedge.exe	80
PID 5600 wrote to memory of 5964	5600	msedge.exe	81
PID 5600 wrote to memory of 5964	5600	msedge.exe	81
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 3956	5600	msedge.exe	82
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83
PID 5600 wrote to memory of 2952	5600	msedge.exe	83

System policy modification 1 TTPs 4 IoCs

defense_evasion

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

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MrsMajors/MrsMajor3.0.exe
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5600
- 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x264,0x268,0x26c,0x260,0x288,0x7ffba599f208,0x7ffba599f214,0x7ffba599f220
  2⤵
  PID:2744
- 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 --lang=en-US --service-sandbox-type=none --string-annotations --always-read-main-dll --field-trial-handle=1864,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=2352 /prefetch:3
  2⤵
  - Downloads MZ/PE file
  PID:5964
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2324,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:2
  2⤵
  PID:3956
- 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 --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=2304,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=2484 /prefetch:8
  2⤵
  PID:2952
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=3464,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=3616 /prefetch:1
  2⤵
  PID:5596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3444,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=3772 /prefetch:1
  2⤵
  PID:4572
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5096,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5128 /prefetch:8
  2⤵
  PID:1104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5044,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5124 /prefetch:8
  2⤵
  PID:4408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5440,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5040 /prefetch:8
  2⤵
  PID:3256
- C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5876,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5900 /prefetch:8
  2⤵
  PID:6020
- C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5876,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5900 /prefetch:8
  2⤵
  PID:3928
- 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 --lang=en-US --service-sandbox-type=collections --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6252,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6256 /prefetch:8
  2⤵
  PID:1344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --always-read-main-dll --field-trial-handle=6048,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6284 /prefetch:1
  2⤵
  PID:2876
- 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 --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6348,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6588 /prefetch:8
  2⤵
  PID:2512
- 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 --lang=en-US --service-sandbox-type=icon_reader --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6784,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6796 /prefetch:8
  2⤵
  PID:3136
- C:\Users\Admin\Downloads\MrsMajor3.0.exe
  "C:\Users\Admin\Downloads\MrsMajor3.0.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4696
- - C:\Windows\system32\wscript.exe
    "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\8482.tmp\8483.tmp\8493.vbs //Nologo
    3⤵
    - UAC bypass
    - Checks computer location settings
    - System policy modification
    PID:4104
  - - C:\Users\Admin\AppData\Local\Temp\8482.tmp\eulascr.exe
      "C:\Users\Admin\AppData\Local\Temp\8482.tmp\eulascr.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:3436
- 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.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=604,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5760 /prefetch:8
  2⤵
  PID:1628
- 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.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6896,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5924 /prefetch:8
  2⤵
  PID:1948
- 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.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6828,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6884 /prefetch:8
  2⤵
  PID:1636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=3676,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=4908 /prefetch:8
  2⤵
  PID:1012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --always-read-main-dll --field-trial-handle=6648,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6528 /prefetch:1
  2⤵
  PID:2808
- 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 --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=4316,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5080 /prefetch:8
  2⤵
  PID:3148
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6412,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6332 /prefetch:8
  2⤵
  PID:2924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=23 --always-read-main-dll --field-trial-handle=6484,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6496 /prefetch:1
  2⤵
  PID:4036
- 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 --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=7004,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6628 /prefetch:8
  2⤵
  PID:5284
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6428,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=3352 /prefetch:8
  2⤵
  PID:2880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=7052,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5356 /prefetch:8
  2⤵
  PID:1604
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.4355 --string-annotations --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=3524,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6472 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=28 --always-read-main-dll --field-trial-handle=6796,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5176 /prefetch:1
  2⤵
  PID:5264
- 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 --lang=en-US --service-sandbox-type=none --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=5272,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=6672 /prefetch:8
  2⤵
  PID:4820
- 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:5240
- - C:\Windows\system32\wscript.exe
    "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\4F3F.tmp\4F40.vbs
    3⤵
    - Checks computer location settings
    - Drops file in Program Files directory
    PID:5404
  - - C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      4⤵
      PID:1916
  - - C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Program files\mrsmajor\mrsmajorlauncher.vbs" RunAsAdministrator
      4⤵
      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
      System policy modification
      PID:5636
    - - 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⤵
        Drops desktop.ini file(s)
        Enumerates connected drives
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious use of AdjustPrivilegeToken
        
        PID:4964
      - C:\Windows\SysWOW64\unregmp2.exe
        
        "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:5320
        
        C:\Windows\system32\unregmp2.exe
        
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        7⤵
        Enumerates connected drives
        Suspicious use of AdjustPrivilegeToken
        
        PID:3460
    - - C:\Windows\System32\shutdown.exe
        
        "C:\Windows\System32\shutdown.exe" -r -t 03
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4332
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --always-read-main-dll --field-trial-handle=6596,i,12136710896181759587,2753392070449825154,262144 --variations-seed-version --mojo-platform-channel-handle=5256 /prefetch:8
  2⤵
  PID:3064

C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe"
1⤵
PID:1640

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:5316
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\Downloads\MrsMajor2.0.7z"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4848
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2140
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A08AAC5B6259B243F4EB989444E7B3F4 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:5280
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F415BDAA9653CBD7901CA94B787D9D74 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=F415BDAA9653CBD7901CA94B787D9D74 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:4408
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2A274C7F760D965C26E92A85AF3DC001 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:5972
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=998EC98042C0BFD0715175614A554661 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4952
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=694B88C13264930E9DECEA2EAE5A4905 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1996

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4148

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:5820

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x508 0x49c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4232

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39d8055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:8

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Create or Modify System Process

T1543

Windows Service

T1543.003

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