dcrat | 26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0

Analysis

max time kernel
119s
max time network
112s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 23:57

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General

Target

26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Size

2.2MB
MD5

baad2dc104aaba3159da075a87cb606e
SHA1

a3346f43df91c6df1cec3b048a14246d6e65bc46
SHA256

26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0
SHA512

4d629a023232b64db7489f2cba745466bf07dbf2813492c603f8594695fd187edff0002d9aad09ccae051a4e00c105c0094c4a37483220ce1509aa9e9d967475
SSDEEP

49152:ssSHlG56vO0T3/Nh/ptuw/C3TqGaDxr1NcWTMUvifq:sLlK6d3/Nh/bV/Oq3Dxp2RUGq

Score

10^/10

dcrat defense_evasion infostealer persistence rat trojan

Malware Config

Signatures

DcRat 14 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

description	ioc	pid	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA		26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
		2636	schtasks.exe
		2768	schtasks.exe
		2608	schtasks.exe
		2868	schtasks.exe
		2776	schtasks.exe
		2512	schtasks.exe
		2664	schtasks.exe
File created	C:\Program Files\Google\5940a34987c991		26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
		2508	schtasks.exe
		2208	schtasks.exe
		2496	schtasks.exe
		2236	schtasks.exe
		668	schtasks.exe

Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Google\\dllhost.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Google\\dllhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\audiodg.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Google\\dllhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\audiodg.exe\", \"C:\\Program Files (x86)\\Microsoft Sync Framework\\v1.0\\Runtime\\x86\\OSPPSVC.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Google\\dllhost.exe\", \"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\audiodg.exe\", \"C:\\Program Files (x86)\\Microsoft Sync Framework\\v1.0\\Runtime\\x86\\OSPPSVC.exe\", \"C:\\Users\\Admin\\PrintHood\\System.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

Process spawned unexpected child process 12 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	2636	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2868	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2496	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2776	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2664	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2512	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2768	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2508	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2208	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2236	2720	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	668	2720	schtasks.exe	31

UAC bypass 3 TTPs 9 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\ConsentPromptBehaviorAdmin = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

DCRat payload 4 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/1384-1-0x0000000000920000-0x0000000000B4E000-memory.dmp	dcrat
behavioral1/files/0x0005000000019f8a-41.dat	dcrat
behavioral1/files/0x000500000001a359-51.dat	dcrat
behavioral1/memory/2348-98-0x0000000001060000-0x000000000128E000-memory.dmp	dcrat

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

Executes dropped EXE 2 IoCs

pid	Process
2348	dllhost.exe
1748	dllhost.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\audiodg.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files (x86)\\Microsoft Sync Framework\\v1.0\\Runtime\\x86\\OSPPSVC.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files (x86)\\Microsoft Sync Framework\\v1.0\\Runtime\\x86\\OSPPSVC.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Users\\Admin\\PrintHood\\System.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Users\\Admin\\PrintHood\\System.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Google\\dllhost.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Google\\dllhost.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\MSOCache\\All Users\\{90140000-0117-0409-0000-0000000FF1CE}-C\\Access.en-us\\audiodg.exe\""	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\dllhost.exe	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File created	C:\Program Files\Google\5940a34987c991	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File opened for modification	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\OSPPSVC.exe	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File created	C:\Program Files\Google\dllhost.exe	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File created	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\1610b97d3ab4a7	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File opened for modification	C:\Program Files\Google\RCXEED4.tmp	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File opened for modification	C:\Program Files\Google\RCXEF42.tmp	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File opened for modification	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\RCXF35A.tmp	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File opened for modification	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\RCXF35B.tmp	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
File created	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\OSPPSVC.exe	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\schemas\EAPHost\csrss.exe	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 12 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2496	schtasks.exe
2776	schtasks.exe
2768	schtasks.exe
2508	schtasks.exe
2208	schtasks.exe
2636	schtasks.exe
2868	schtasks.exe
2608	schtasks.exe
2236	schtasks.exe
668	schtasks.exe
2664	schtasks.exe
2512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe
2348	dllhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Token: SeDebugPrivilege	2348	dllhost.exe
Token: SeDebugPrivilege	1748	dllhost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1192	1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe	44
PID 1384 wrote to memory of 1192	1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe	44
PID 1384 wrote to memory of 1192	1384	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe	44
PID 1192 wrote to memory of 3068	1192	cmd.exe	46
PID 1192 wrote to memory of 3068	1192	cmd.exe	46
PID 1192 wrote to memory of 3068	1192	cmd.exe	46
PID 1192 wrote to memory of 2348	1192	cmd.exe	47
PID 1192 wrote to memory of 2348	1192	cmd.exe	47
PID 1192 wrote to memory of 2348	1192	cmd.exe	47
PID 2348 wrote to memory of 1396	2348	dllhost.exe	48
PID 2348 wrote to memory of 1396	2348	dllhost.exe	48
PID 2348 wrote to memory of 1396	2348	dllhost.exe	48
PID 2348 wrote to memory of 892	2348	dllhost.exe	49
PID 2348 wrote to memory of 892	2348	dllhost.exe	49
PID 2348 wrote to memory of 892	2348	dllhost.exe	49
PID 1396 wrote to memory of 1748	1396	WScript.exe	50
PID 1396 wrote to memory of 1748	1396	WScript.exe	50
PID 1396 wrote to memory of 1748	1396	WScript.exe	50
PID 1748 wrote to memory of 2580	1748	dllhost.exe	51
PID 1748 wrote to memory of 2580	1748	dllhost.exe	51
PID 1748 wrote to memory of 2580	1748	dllhost.exe	51
PID 1748 wrote to memory of 2596	1748	dllhost.exe	52
PID 1748 wrote to memory of 2596	1748	dllhost.exe	52
PID 1748 wrote to memory of 2596	1748	dllhost.exe	52

System policy modification 1 TTPs 9 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.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\26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe
"C:\Users\Admin\AppData\Local\Temp\26e4874d6cade038fd82d89d732abe0eb6f26d6e0a5e5e24af8d36000f9abfc0.exe"
1⤵
- DcRat
- Modifies WinLogon for persistence
- UAC bypass
- Drops file in Drivers directory
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1384
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\FUrPKKMybJ.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:3068
- - C:\Program Files\Google\dllhost.exe
    "C:\Program Files\Google\dllhost.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2348
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\918f30a6-fc5c-4631-8a33-fc6f14a70514.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1396
    - - C:\Program Files\Google\dllhost.exe
        
        "C:\Program Files\Google\dllhost.exe"
        5⤵
        UAC bypass
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        System policy modification
        
        PID:1748
      - C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\59f813a8-00ca-4387-bd82-97a65a448a22.vbs"
        6⤵
        
        PID:2580
      - C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\2c2c72e1-6f24-4ad9-90a5-92f4dfd3dfee.vbs"
        6⤵
        
        PID:2596
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\b949619b-04cf-40ed-a328-f981336e4fe8.vbs"
      4⤵
      PID:892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files\Google\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2636

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Google\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Google\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\audiodg.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\audiodg.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\audiodg.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\OSPPSVC.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2768

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\PrintHood\System.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2208

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Admin\PrintHood\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2236

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\PrintHood\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Google\dllhost.exe

Filesize
2.2MB

MD5
1ba711ced12ac8a5b988806f598678a2

SHA1
a62d98d5b06a80a96b6a1bb4248baa50fd8826a6

SHA256
53890951c1c1e5e2dabb36933c50fe802364be3d35e1069b3b282acebd15a1fd

SHA512
0c8f53ea178a8fe7c7db7a4aa6fdd7c89316361747574df9f90ddadb94c9a33d359848ed49ec4ba7e000e397707691e4b21514a8606159545b5013bc3b572506

Download Submit
C:\Users\Admin\AppData\Local\Temp\59f813a8-00ca-4387-bd82-97a65a448a22.vbs

Filesize
711B

MD5
fd305e3cea4b86708ef133ec5e6d7598

SHA1
9dd2c473bd0b28ff2f6e122d1aca5ae63a5f7495

SHA256
19463ab24a380f6715df8255e594fc74bbab8876e0147673d40ab9f169953f9c

SHA512
d880fa0c32a0a9dcc0de761a48c2980bf28f2ef42c4177635e7723047c0328ef3e33a1dc6877341e4386a3f5a47604297efeb1618df7e68eb6f8dc2a31edbd08

Download Submit
C:\Users\Admin\AppData\Local\Temp\918f30a6-fc5c-4631-8a33-fc6f14a70514.vbs

Filesize
711B

MD5
e89a6c0ade0a5ddf57271b45de2f226e

SHA1
e8854edc7bfd789e4f9f047861592d945b380edb

SHA256
bb1d0843501aa7f0d4426b39636a2a56cac374b0d389e8f1cbb4413679371f57

SHA512
2451ae54d7362838541b73535faa33ec01fccbcbc9a25eb205f684fa9970eccd29c7e169a3e659d0e47c82d60feba3a2df011e4f3ed8b44cba2b1c8e9d44cc9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\FUrPKKMybJ.bat

Filesize
200B

MD5
d0b5a2eda29edbaf2c807a3192bfea7e

SHA1
ef17d4fca85a11686720e5fa14117812c1061f5a

SHA256
4c600c1a96f8353568f1c5a28144f2a5895bc4f6cce138fc5beaa550407c51ca

SHA512
c849a83e66bbc60acae47752ce1f8447649d91b7538f165c03df499817236c0236ef2b32a5b0cbc79793c138ae2fa5109997c5e8b5b7796ab2f408d014c14475

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXECC0.tmp

Filesize
2.2MB

MD5
734f6915b07742d30bc125ff73f87d80

SHA1
f5bbfbc8c5bd6ddb6329c3fca96261c787de0317

SHA256
b0997cf70abbd1e112010f380df1a977ab85f38d6c410147fb65a5674b2f6be2

SHA512
e9707ef0e75d94bea0c442cffde33aa74748b4c35471e45bab417dc5265f6ddb95e5d8edb55bf347a6a1d4881e50d85a75852f1acedf78a8892f44c708cee579

Download Submit
C:\Users\Admin\AppData\Local\Temp\b949619b-04cf-40ed-a328-f981336e4fe8.vbs

Filesize
487B

MD5
279d14e48626824e351e28fbc919c8c9

SHA1
f8f134c48a4a33827ec1f71d42695e36442231bb

SHA256
6b280e5598427bcac1e41699959ee9110e98f406552f996368e216047a7064ad

SHA512
c0cf6690a680db286d35b0a8e341dad1a9561779741b56939f3519c3b312dfd1e895c8825fbd7c2e2ade1e8f732436dd982a9b0589ffb78bd9668f49d400b127

Download Submit
memory/1384-19-0x00000000008C0000-0x00000000008CC000-memory.dmp

Filesize
48KB

Download
memory/1384-22-0x00000000008F0000-0x00000000008FA000-memory.dmp

Filesize
40KB

Download
memory/1384-8-0x0000000000570000-0x0000000000586000-memory.dmp

Filesize
88KB

Download
memory/1384-9-0x0000000000590000-0x000000000059C000-memory.dmp

Filesize
48KB

Download
memory/1384-10-0x00000000005A0000-0x00000000005A8000-memory.dmp

Filesize
32KB

Download
memory/1384-11-0x0000000000850000-0x0000000000860000-memory.dmp

Filesize
64KB

Download
memory/1384-12-0x00000000005B0000-0x00000000005BA000-memory.dmp

Filesize
40KB

Download
memory/1384-13-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/1384-14-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/1384-15-0x0000000000870000-0x000000000087C000-memory.dmp

Filesize
48KB

Download
memory/1384-16-0x0000000000880000-0x0000000000888000-memory.dmp

Filesize
32KB

Download
memory/1384-18-0x0000000000890000-0x00000000008A2000-memory.dmp

Filesize
72KB

Download
memory/1384-0-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

Filesize
4KB

Download
memory/1384-20-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/1384-21-0x00000000008E0000-0x00000000008EC000-memory.dmp

Filesize
48KB

Download
memory/1384-7-0x0000000000550000-0x0000000000560000-memory.dmp

Filesize
64KB

Download
memory/1384-23-0x0000000000900000-0x000000000090E000-memory.dmp

Filesize
56KB

Download
memory/1384-25-0x0000000002270000-0x000000000227E000-memory.dmp

Filesize
56KB

Download
memory/1384-24-0x0000000000910000-0x0000000000918000-memory.dmp

Filesize
32KB

Download
memory/1384-26-0x0000000002280000-0x000000000228C000-memory.dmp

Filesize
48KB

Download
memory/1384-27-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/1384-28-0x00000000023A0000-0x00000000023AC000-memory.dmp

Filesize
48KB

Download
memory/1384-31-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

Filesize
9.9MB

Download
memory/1384-6-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/1384-5-0x0000000000520000-0x000000000053C000-memory.dmp

Filesize
112KB

Download
memory/1384-94-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

Filesize
9.9MB

Download
memory/1384-4-0x0000000000390000-0x000000000039E000-memory.dmp

Filesize
56KB

Download
memory/1384-1-0x0000000000920000-0x0000000000B4E000-memory.dmp

Filesize
2.2MB

Download
memory/1384-3-0x0000000000140000-0x000000000014E000-memory.dmp

Filesize
56KB

Download
memory/1384-2-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2348-98-0x0000000001060000-0x000000000128E000-memory.dmp

Filesize
2.2MB

Download