quasar | hxxps://github[.]com/quasar/Quasar

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000\Control Panel\International\Geo\Nation	Client.exe

Executes dropped EXE 2 IoCs

pid	Process
4776	Client-built.exe
6040	Client.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 12 IoCs

Web Service

T1102

flow	ioc
210	camo.githubusercontent.com
219	camo.githubusercontent.com
34	camo.githubusercontent.com
36	camo.githubusercontent.com
39	raw.githubusercontent.com
42	raw.githubusercontent.com
43	raw.githubusercontent.com
44	raw.githubusercontent.com
223	raw.githubusercontent.com
37	camo.githubusercontent.com
38	camo.githubusercontent.com
41	raw.githubusercontent.com

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\2c7bfabc-43d1-480d-997d-5ea4e2120da4.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20250121114031.pma	setup.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe
File created	C:\Windows\rescache\_merged\2229298842\355443223.pri	LogonUI.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

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

System Information Discovery

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

Gathers network information 2 TTPs 3 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

Command and Scripting Interpreter

T1059

pid	Process
5492	ipconfig.exe
3156	NETSTAT.EXE
5040	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies data under HKEY_USERS 17 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133819329980947199"	chrome.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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "138"	LogonUI.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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

Modifies registry class 64 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0 = 8400310000000000355a855d1100444f574e4c4f7e3100006c0009000400efbe2d5ae76c355a855d2e000000000904000000020000000000000000004200000000001338a60044006f0077006e006c006f00610064007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370039003800000018000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202020202	Quasar.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\MRUListEx = 0000000001000000ffffffff	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\Shell	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0 = 78003100000000002d5ae76c1100557365727300640009000400efbe874f7748355a915c2e000000fd0100000000010000000000000000003a00000000003671d50055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\NavBar = 000000000000000000000000000000008b000000870000003153505305d5cdd59c2e1b10939708002b2cf9ae6b0000005a000000007b00360044003800420042003300440033002d0039004400380037002d0034004100390031002d0041004200350036002d003400460033003000430046004600450046004500390046007d005f0057006900640074006800000013000000cc0000000000000000000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\HotKey = "0"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202020202	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\0\0	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\WFlags = "2"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\WinPos1280x720x96(1).left = "250"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\0 = 6600310000000000355a855d10005155415341527e312e3100004c0009000400efbe355a855d355a855d2e000000ca630400000029000000000000000000000000000000a76a97005100750061007300610072002e00760031002e0034002e00310000001a000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\0\0 = 6600310000000000355a8d5d10005155415341527e312e3100004c0009000400efbe355a855d355a8d5d2e000000cd6304000000290000000000000000000000000000007d7cc3005100750061007300610072002000760031002e0034002e00310000001a000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	Quasar.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	Quasar.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\WinPos1280x720x96(1).right = "1050"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1\0\0 = 50003100000000002d5a0176100041646d696e003c0009000400efbe2d5ae76c355a915c2e000000f808040000000200000000000000000000000000000001df5200410064006d0069006e00000014000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\MaxPos1280x720x96(1).y = "4294967295"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Rev = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\MinPos1280x720x96(1).x = "4294935296"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202020202	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\SniffedFolderType = "Generic"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	Quasar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Vid = "{137E7700-3573-11CF-AE69-08002B2E1262}"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 020000000100000000000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2	Quasar.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 020000000100000000000000ffffffff	Quasar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\Shell\SniffedFolderType = "Generic"	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\WinPos1280x720x96(1).top = "50"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\1 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	Quasar.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\0	Quasar.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616209"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2\0\0\0	Quasar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3982764349-3037452555-3708423086-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell\ShowCmd = "3"	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
5864	schtasks.exe
3548	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5652	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4672	chrome.exe
4672	chrome.exe
4588	chrome.exe
4588	chrome.exe
4588	chrome.exe
4588	chrome.exe
3000	msedge.exe
3000	msedge.exe
2280	msedge.exe
2280	msedge.exe
5636	identity_helper.exe
5636	identity_helper.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
6040	Client.exe

Suspicious behavior: GetForegroundWindowSpam 4 IoCs

pid	Process
4448	Quasar.exe
5652	explorer.exe
6040	Client.exe
5712	Quasar.exe

Suspicious behavior: LoadsDriver 10 IoCs

pid	Process
4	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found
664	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 22 IoCs

pid	Process
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe
Token: SeShutdownPrivilege	4672	chrome.exe
Token: SeCreatePagefilePrivilege	4672	chrome.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
4672	chrome.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
2280	msedge.exe
4448	Quasar.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe
1156	taskmgr.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
5652	explorer.exe
5652	explorer.exe
4448	Quasar.exe
5652	explorer.exe
5652	explorer.exe
5652	explorer.exe
5652	explorer.exe
6040	Client.exe
4448	Quasar.exe
4448	Quasar.exe
5652	explorer.exe
5652	explorer.exe
4596	LogonUI.exe
4596	LogonUI.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 3808	4672	chrome.exe	81
PID 4672 wrote to memory of 3808	4672	chrome.exe	81
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 1116	4672	chrome.exe	82
PID 4672 wrote to memory of 5080	4672	chrome.exe	83
PID 4672 wrote to memory of 5080	4672	chrome.exe	83
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84
PID 4672 wrote to memory of 2908	4672	chrome.exe	84

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

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/quasar/Quasar
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ffb64c0cc40,0x7ffb64c0cc4c,0x7ffb64c0cc58
  2⤵
  PID:3808
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2068,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=2056 /prefetch:2
  2⤵
  PID:1116
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1908,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=1776 /prefetch:3
  2⤵
  PID:5080
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2240,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=2432 /prefetch:8
  2⤵
  PID:2908
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3112,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=3148 /prefetch:1
  2⤵
  PID:1980
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3128,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=3176 /prefetch:1
  2⤵
  PID:1784
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4500,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=3124 /prefetch:8
  2⤵
  PID:3748
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4808,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=3124 /prefetch:1
  2⤵
  PID:444
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=4424,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=5032 /prefetch:1
  2⤵
  PID:1352
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --field-trial-handle=4828,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=4832 /prefetch:1
  2⤵
  PID:1908
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.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 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=3248,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=3252 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4588
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=5148,i,3229783587294193859,11016463093557028538,262144 --variations-seed-version=20250112-180253.846000 --mojo-platform-channel-handle=5324 /prefetch:1
  2⤵
  PID:1304

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:3188

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:536

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2280
- 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=0x140,0x144,0x148,0x11c,0x14c,0x7ffb538646f8,0x7ffb53864708,0x7ffb53864718
  2⤵
  PID:756
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
  2⤵
  PID:1812
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2484 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3000
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
  2⤵
  PID:272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=3456 /prefetch:1
  2⤵
  PID:1276
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3464 /prefetch:1
  2⤵
  PID:1108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5248 /prefetch:1
  2⤵
  PID:5664
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5312 /prefetch:1
  2⤵
  PID:5672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5872 /prefetch:1
  2⤵
  PID:4980
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5936 /prefetch:8
  2⤵
  PID:680
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
  2⤵
  - Drops file in Program Files directory
  PID:4612
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x264,0x268,0x26c,0x240,0x270,0x7ff7a82b5460,0x7ff7a82b5470,0x7ff7a82b5480
    3⤵
    PID:5180
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5936 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5944 /prefetch:1
  2⤵
  PID:2496
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
  2⤵
  PID:4172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5976 /prefetch:1
  2⤵
  PID:5988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=6308 /prefetch:1
  2⤵
  PID:6088
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=7068 /prefetch:1
  2⤵
  PID:2596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=7064 /prefetch:1
  2⤵
  PID:2140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6820 /prefetch:1
  2⤵
  PID:2788
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6848 /prefetch:1
  2⤵
  PID:4808
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=1324 /prefetch:8
  2⤵
  PID:3880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6452 /prefetch:1
  2⤵
  PID:2132
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6444 /prefetch:8
  2⤵
  PID:1128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --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 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1760 /prefetch:2
  2⤵
  PID:4912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=25 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1796 /prefetch:1
  2⤵
  PID:4020
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=27 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3496 /prefetch:1
  2⤵
  PID:5756
- 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=2132,15033088725610461810,5008059378087564767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6244 /prefetch:8
  2⤵
  PID:980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5180

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2140

C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe
"C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4448
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe" /select, "C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\quasar.p12"
  2⤵
  PID:5732

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:5652
- C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Client-built.exe
  "C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Client-built.exe"
  2⤵
  - Executes dropped EXE
  PID:4776
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5864
- - C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:6040
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3548
  - - C:\Windows\System32\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /t 0
      4⤵
      PID:2064
- C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe
  "C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  PID:5712

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
PID:880
- C:\Windows\system32\ipconfig.exe
  ipconfig
  2⤵
  - Gathers network information
  PID:5492

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SendNotifyMessage
PID:1156

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
PID:3476
- C:\Windows\system32\NETSTAT.EXE
  netstat /nbf
  2⤵
  - Gathers network information
  PID:3156
- C:\Windows\system32\NETSTAT.EXE
  netstat /nbf
  2⤵
  - Gathers network information
  PID:5040

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39a2855 /state1:0x41c64e6d
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery