dcrat | f993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4

Analysis

max time kernel
95s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 03:50

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General

Target
xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Size 1.7MB
Sample260529-eebfcscv7w
SHA256 f993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4
MD5 3efed24b0db139409b3b5a0dffba5542
SHA1 d6d8e586a918f6d99d284c1de30438df30ede6fa
SHA512 4b5c788edc2b98324eee70420b736480f1a3f43e589e2c77ccfa670808b8bdc93a30163009b34904d124f8cbd52337c61211b61d4c30e360946466ed5c26546c
SSDEEP 49152:YkQzAvIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc+:Y6FuRD9JdOR4m+lmY/4rx8c+
TLSH
T1208523197181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution dcrat infostealer persistence rat trojan

Malware Config

Signatures

Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

Modifies WinLogon for persistence 2 TTPs 2 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, \"C:\\Windows\\PolicyDefinitions\\sppsvc.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\PolicyDefinitions\\sppsvc.exe\", \"C:\\Program Files\\WindowsPowerShell\\Modules\\spoolsv.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

Process spawned unexpected child process 6 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3044	700	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3812	700	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2192	700	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5392	700	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3496	700	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1860	700	schtasks.exe	80

UAC bypass 3 TTPs 6 IoCs

defense_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\PromptOnSecureDesktop = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3076	powershell.exe
2456	powershell.exe
4880	powershell.exe
2072	powershell.exe
2520	powershell.exe
5680	powershell.exe
3840	powershell.exe
5048	powershell.exe
4904	powershell.exe
6056	powershell.exe
5508	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
2128	sppsvc.exe
3348	spoolsv.exe
5272	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Windows\\PolicyDefinitions\\sppsvc.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Windows\\PolicyDefinitions\\sppsvc.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\WindowsPowerShell\\Modules\\spoolsv.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\WindowsPowerShell\\Modules\\spoolsv.exe\""	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	spoolsv.exe

SmartAssembly .NET packer 6 IoCs

Detects SmartAssembly .NET packer.

resource	yara_rule
behavioral2/memory/2264-5232-0x0000000006280000-0x0000000006290000-memory.dmp	SmartAssembly
behavioral2/memory/2264-5236-0x00000000067E0000-0x00000000067EA000-memory.dmp	SmartAssembly
behavioral2/memory/2264-5241-0x00000000068C0000-0x00000000068CC000-memory.dmp	SmartAssembly
behavioral2/memory/2264-5244-0x00000000071E0000-0x00000000071EC000-memory.dmp	SmartAssembly
behavioral2/memory/2264-5242-0x00000000068F0000-0x00000000068FA000-memory.dmp	SmartAssembly
behavioral2/memory/2264-5245-0x0000000005110000-0x0000000005120000-memory.dmp	SmartAssembly

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File created	C:\Program Files\WindowsPowerShell\Modules\f3b6ecef712a24	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\RCX682F.tmp	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\RCX6830.tmp	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\PolicyDefinitions\RCX660A.tmp	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File opened for modification	C:\Windows\PolicyDefinitions\RCX660B.tmp	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File created	C:\Windows\PolicyDefinitions\sppsvc.exe	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File opened for modification	C:\Windows\PolicyDefinitions\sppsvc.exe	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File created	C:\Windows\PolicyDefinitions\0a1fd5f707cd16	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
File created	C:\Windows\System\Speech\sppsvc.exe	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

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 17 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sppsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Key created	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000_Classes\Local Settings	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3044	schtasks.exe
3812	schtasks.exe
2192	schtasks.exe
5392	schtasks.exe
3496	schtasks.exe
1860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2520	powershell.exe
2520	powershell.exe
4880	powershell.exe
3840	powershell.exe
5048	powershell.exe
3076	powershell.exe
5508	powershell.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
4880	powershell.exe
3840	powershell.exe
5048	powershell.exe
3076	powershell.exe
5508	powershell.exe
2456	powershell.exe
2072	powershell.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
4904	powershell.exe
6056	powershell.exe
4904	powershell.exe
6056	powershell.exe
2456	powershell.exe
2072	powershell.exe
5680	powershell.exe
5680	powershell.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2520	powershell.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Token: SeDebugPrivilege	2128	sppsvc.exe
Token: SeDebugPrivilege	3348	spoolsv.exe
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	3840	powershell.exe
Token: SeDebugPrivilege	5048	powershell.exe
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	5508	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2072	powershell.exe
Token: SeDebugPrivilege	6056	powershell.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	5680	powershell.exe
Token: SeDebugPrivilege	5272	spoolsv.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2456	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	93
PID 2264 wrote to memory of 3076	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	94
PID 2264 wrote to memory of 5680	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	95
PID 2264 wrote to memory of 5508	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	96
PID 2264 wrote to memory of 2520	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	97
PID 2264 wrote to memory of 2072	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	98
PID 2264 wrote to memory of 4880	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	99
PID 2264 wrote to memory of 6056	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	100
PID 2264 wrote to memory of 4904	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	101
PID 2264 wrote to memory of 5048	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	102
PID 2264 wrote to memory of 3840	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	103
PID 2264 wrote to memory of 5272	2264	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe	115
PID 3348 wrote to memory of 708	3348	spoolsv.exe	116
PID 3348 wrote to memory of 4720	3348	spoolsv.exe	117

System policy modification 1 TTPs 6 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	spoolsv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	spoolsv.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

C:\Users\Admin\AppData\Local\Temp\xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe
"C:\Users\Admin\AppData\Local\Temp\xf993fdf0304cbfc9c8c19b0e89eb4451118b09d039a56082d0f9fc01c24712c4.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2264
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3076
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5508
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4880
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6056
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3840
- C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe
  "C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Windows\PolicyDefinitions\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\PolicyDefinitions\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Windows\PolicyDefinitions\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2192

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1860

C:\Windows\PolicyDefinitions\sppsvc.exe
"C:\Windows\PolicyDefinitions\sppsvc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2128

C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe
"C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe"
1⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3348
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ed921a45-9354-4c3f-9a64-1252ba8b3f7e.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:708
- - C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe
    "C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe"
    3⤵
    PID:3384
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c0ce8f1c-83c0-4406-8cbd-73fa050b039e.vbs"
      4⤵
      PID:1648
    - - C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe
        
        "C:\Program Files\WindowsPowerShell\Modules\spoolsv.exe"
        5⤵
        
        PID:5144
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\da4a414c-c41a-4dc9-8762-7731d4e8997d.vbs"
      4⤵
      PID:6776
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4112a6a4-b02b-4250-af2f-22fb37e818df.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4720

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
MD5 ac4917a885cf6050b1a483e4bc4d2ea5
SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
TLSH
T10B415C303161A5D84D435B1205286ED5E3EF478AAFAC8F5CB569231DCD2A44BD7121F3
MD5 SHA1 SHA512 TLSH

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spoolsv.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\spoolsv.exe.log
Size 1KB
SHA256 2e56dda5f2de7f6abb5763696cfddfa1256159c76d39a3e50b3855bd5849c6d1
MD5 79dd0c5abc0e101f0391ef6aff5820a2
SHA1 da71f81242328f34e7f2b8b7265f2f15f58a347a
SHA512 1f2719d7968b1525d8fa2ced1e5b5c3e1b448002a7967363a64a58e4b743f107e5949c46788e2db38dd2ed4352b1d8ca2ea085bd0aca9404eae47c7317c8d51a
TLSH
T176218E303231B5D80D422F5308586AC916FF0745BAA8DF6CB699335EDD2A04BAB221F3
MD5 SHA1 SHA512 TLSH

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