06a803f1415da3e5d8dd3f04aaeb072bfc20daf4adeab07f28adc7696e3c3e75

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 09:30

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General

Target

a3709f87bff32b0d1b558857c475829d.exe
Size

64KB
MD5

a3709f87bff32b0d1b558857c475829d
SHA1

562662f8a359f8cad3fc4df1654b5d1a0b2b9a6b
SHA256

06a803f1415da3e5d8dd3f04aaeb072bfc20daf4adeab07f28adc7696e3c3e75
SHA512

caffbc14937c5cc967794b607b1ca4e60406c0d7011b28d171dc9923c3b7d0880264128276955865b27703f08682e841cedcec0214ef867720382ca328230cd0
SSDEEP

1536:b7Qq/boy4uQxfMMw+GL2+Uxa+0w1I7m569+PMHaHx/X/:b7Qq/boy4J6+GL1j+IM69+PUM1

Score

10^/10

adware evasion persistence stealer trojan upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	a3709f87bff32b0d1b558857c475829d.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a3709f87bff32b0d1b558857c475829d.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\spools.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	a3709f87bff32b0d1b558857c475829d.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	a3709f87bff32b0d1b558857c475829d.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	a3709f87bff32b0d1b558857c475829d.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/4580-1-0x00000000009E0000-0x0000000001A05000-memory.dmp	upx
behavioral2/memory/4580-3-0x00000000009E0000-0x0000000001A05000-memory.dmp	upx
behavioral2/memory/4580-4-0x00000000009E0000-0x0000000001A05000-memory.dmp	upx
behavioral2/memory/4580-40-0x00000000009E0000-0x0000000001A05000-memory.dmp	upx
behavioral2/memory/4580-45-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	a3709f87bff32b0d1b558857c475829d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	a3709f87bff32b0d1b558857c475829d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	a3709f87bff32b0d1b558857c475829d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	a3709f87bff32b0d1b558857c475829d.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a3709f87bff32b0d1b558857c475829d.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	reg.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	a3709f87bff32b0d1b558857c475829d.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\userinit.exe	a3709f87bff32b0d1b558857c475829d.exe

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\InspectorOfficeGadget.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\IntegratedOffice.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeClickToRun.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7z.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zG.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\AppVShNotify.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\MavInject32.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeC2RClient.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zFM.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\Uninstall.exe	a3709f87bff32b0d1b558857c475829d.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\appvcleaner.exe	a3709f87bff32b0d1b558857c475829d.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	a3709f87bff32b0d1b558857c475829d.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	a3709f87bff32b0d1b558857c475829d.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe
4580	a3709f87bff32b0d1b558857c475829d.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe
Token: SeDebugPrivilege	4580	a3709f87bff32b0d1b558857c475829d.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 4904	4580	a3709f87bff32b0d1b558857c475829d.exe	91
PID 4580 wrote to memory of 4904	4580	a3709f87bff32b0d1b558857c475829d.exe	91
PID 4580 wrote to memory of 4904	4580	a3709f87bff32b0d1b558857c475829d.exe	91
PID 4580 wrote to memory of 4828	4580	a3709f87bff32b0d1b558857c475829d.exe	90
PID 4580 wrote to memory of 4828	4580	a3709f87bff32b0d1b558857c475829d.exe	90
PID 4580 wrote to memory of 4828	4580	a3709f87bff32b0d1b558857c475829d.exe	90
PID 4580 wrote to memory of 3776	4580	a3709f87bff32b0d1b558857c475829d.exe	89
PID 4580 wrote to memory of 3776	4580	a3709f87bff32b0d1b558857c475829d.exe	89
PID 4580 wrote to memory of 3776	4580	a3709f87bff32b0d1b558857c475829d.exe	89
PID 4580 wrote to memory of 3608	4580	a3709f87bff32b0d1b558857c475829d.exe	85
PID 4580 wrote to memory of 3608	4580	a3709f87bff32b0d1b558857c475829d.exe	85
PID 4580 wrote to memory of 3608	4580	a3709f87bff32b0d1b558857c475829d.exe	85
PID 4580 wrote to memory of 796	4580	a3709f87bff32b0d1b558857c475829d.exe	17
PID 4580 wrote to memory of 804	4580	a3709f87bff32b0d1b558857c475829d.exe	16
PID 4580 wrote to memory of 400	4580	a3709f87bff32b0d1b558857c475829d.exe	5
PID 4580 wrote to memory of 2504	4580	a3709f87bff32b0d1b558857c475829d.exe	65
PID 4580 wrote to memory of 2532	4580	a3709f87bff32b0d1b558857c475829d.exe	64
PID 4580 wrote to memory of 2648	4580	a3709f87bff32b0d1b558857c475829d.exe	61
PID 4580 wrote to memory of 3364	4580	a3709f87bff32b0d1b558857c475829d.exe	30
PID 4580 wrote to memory of 3512	4580	a3709f87bff32b0d1b558857c475829d.exe	29
PID 4580 wrote to memory of 3744	4580	a3709f87bff32b0d1b558857c475829d.exe	26
PID 4580 wrote to memory of 3848	4580	a3709f87bff32b0d1b558857c475829d.exe	28
PID 4580 wrote to memory of 3960	4580	a3709f87bff32b0d1b558857c475829d.exe	27
PID 4580 wrote to memory of 4064	4580	a3709f87bff32b0d1b558857c475829d.exe	57
PID 4580 wrote to memory of 3860	4580	a3709f87bff32b0d1b558857c475829d.exe	35
PID 4580 wrote to memory of 2180	4580	a3709f87bff32b0d1b558857c475829d.exe	55
PID 4580 wrote to memory of 4452	4580	a3709f87bff32b0d1b558857c475829d.exe	37
PID 4580 wrote to memory of 4236	4580	a3709f87bff32b0d1b558857c475829d.exe	41
PID 4580 wrote to memory of 3988	4580	a3709f87bff32b0d1b558857c475829d.exe	40
PID 4580 wrote to memory of 664	4580	a3709f87bff32b0d1b558857c475829d.exe	39
PID 4580 wrote to memory of 4904	4580	a3709f87bff32b0d1b558857c475829d.exe	91
PID 4580 wrote to memory of 4904	4580	a3709f87bff32b0d1b558857c475829d.exe	91
PID 4580 wrote to memory of 4828	4580	a3709f87bff32b0d1b558857c475829d.exe	90
PID 4580 wrote to memory of 4828	4580	a3709f87bff32b0d1b558857c475829d.exe	90
PID 4580 wrote to memory of 3776	4580	a3709f87bff32b0d1b558857c475829d.exe	89
PID 4580 wrote to memory of 3776	4580	a3709f87bff32b0d1b558857c475829d.exe	89
PID 4580 wrote to memory of 3608	4580	a3709f87bff32b0d1b558857c475829d.exe	85
PID 4580 wrote to memory of 3608	4580	a3709f87bff32b0d1b558857c475829d.exe	85
PID 4580 wrote to memory of 2328	4580	a3709f87bff32b0d1b558857c475829d.exe	88
PID 4580 wrote to memory of 1660	4580	a3709f87bff32b0d1b558857c475829d.exe	87
PID 4580 wrote to memory of 1828	4580	a3709f87bff32b0d1b558857c475829d.exe	86
PID 4580 wrote to memory of 4116	4580	a3709f87bff32b0d1b558857c475829d.exe	92
PID 4580 wrote to memory of 796	4580	a3709f87bff32b0d1b558857c475829d.exe	17
PID 4580 wrote to memory of 804	4580	a3709f87bff32b0d1b558857c475829d.exe	16
PID 4580 wrote to memory of 400	4580	a3709f87bff32b0d1b558857c475829d.exe	5
PID 4580 wrote to memory of 2504	4580	a3709f87bff32b0d1b558857c475829d.exe	65
PID 4580 wrote to memory of 2532	4580	a3709f87bff32b0d1b558857c475829d.exe	64
PID 4580 wrote to memory of 2648	4580	a3709f87bff32b0d1b558857c475829d.exe	61
PID 4580 wrote to memory of 3364	4580	a3709f87bff32b0d1b558857c475829d.exe	30
PID 4580 wrote to memory of 3512	4580	a3709f87bff32b0d1b558857c475829d.exe	29
PID 4580 wrote to memory of 3744	4580	a3709f87bff32b0d1b558857c475829d.exe	26
PID 4580 wrote to memory of 3848	4580	a3709f87bff32b0d1b558857c475829d.exe	28
PID 4580 wrote to memory of 3960	4580	a3709f87bff32b0d1b558857c475829d.exe	27
PID 4580 wrote to memory of 4064	4580	a3709f87bff32b0d1b558857c475829d.exe	57
PID 4580 wrote to memory of 3860	4580	a3709f87bff32b0d1b558857c475829d.exe	35
PID 4580 wrote to memory of 2180	4580	a3709f87bff32b0d1b558857c475829d.exe	55
PID 4580 wrote to memory of 4452	4580	a3709f87bff32b0d1b558857c475829d.exe	37
PID 4580 wrote to memory of 4236	4580	a3709f87bff32b0d1b558857c475829d.exe	41
PID 4580 wrote to memory of 3988	4580	a3709f87bff32b0d1b558857c475829d.exe	40
PID 4580 wrote to memory of 2736	4580	a3709f87bff32b0d1b558857c475829d.exe	94
PID 4580 wrote to memory of 5052	4580	a3709f87bff32b0d1b558857c475829d.exe	95
PID 4580 wrote to memory of 796	4580	a3709f87bff32b0d1b558857c475829d.exe	17
PID 4580 wrote to memory of 804	4580	a3709f87bff32b0d1b558857c475829d.exe	16
PID 4580 wrote to memory of 400	4580	a3709f87bff32b0d1b558857c475829d.exe	5

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a3709f87bff32b0d1b558857c475829d.exe

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:400

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:804

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:796

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3744

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3960

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3848

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3512

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3364
- C:\Users\Admin\AppData\Local\Temp\a3709f87bff32b0d1b558857c475829d.exe
  "C:\Users\Admin\AppData\Local\Temp\a3709f87bff32b0d1b558857c475829d.exe"
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4580
- - C:\Windows\SysWOW64\reg.exe
    reg copy "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal" /s /f
    3⤵
    PID:3608
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:4116
- - C:\Windows\SysWOW64\reg.exe
    reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
    3⤵
    - Adds Run key to start application
    PID:3776
- - C:\Windows\SysWOW64\reg.exe
    reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
    3⤵
    - Adds Run key to start application
    PID:4828
- - C:\Windows\SysWOW64\reg.exe
    reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
    3⤵
    - Installs/modifies Browser Helper Object
    PID:4904
- - C:\Windows\SysWOW64\REGEDT32.EXE
    "C:\Windows\system32\REGEDT32.EXE"
    3⤵
    PID:820
- - C:\Windows\SysWOW64\CMD.EXE
    "C:\Windows\system32\CMD.EXE"
    3⤵
    PID:1084

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3860

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:4452

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:664

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:3988

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
1⤵
PID:4236

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2180

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4064

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2532

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2504

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:1828

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:1660

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2328

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2736

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Browser Extensions

T1176

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/820-71-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/820-70-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/3608-22-0x0000000000E00000-0x0000000000E01000-memory.dmp

Filesize
4KB

Download
memory/3608-32-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/3608-29-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/3776-16-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/4580-45-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4580-5-0x0000000003840000-0x0000000003841000-memory.dmp

Filesize
4KB

Download
memory/4580-1-0x00000000009E0000-0x0000000001A05000-memory.dmp

Filesize
16.1MB

Download
memory/4580-3-0x00000000009E0000-0x0000000001A05000-memory.dmp

Filesize
16.1MB

Download
memory/4580-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4580-4-0x00000000009E0000-0x0000000001A05000-memory.dmp

Filesize
16.1MB

Download
memory/4580-54-0x0000000003840000-0x0000000003841000-memory.dmp

Filesize
4KB

Download
memory/4580-6-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

Filesize
4KB

Download
memory/4580-8-0x0000000003840000-0x0000000003841000-memory.dmp

Filesize
4KB

Download
memory/4580-40-0x00000000009E0000-0x0000000001A05000-memory.dmp

Filesize
16.1MB

Download
memory/4828-35-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/4828-27-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/4828-13-0x0000000000E20000-0x0000000000E21000-memory.dmp

Filesize
4KB

Download
memory/4904-28-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/4904-11-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/4904-20-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download