dcrat | 5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\", \"C:\\PerfLogs\\Admin\\services.exe\", \"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\", \"C:\\Windows\\System32\\iexpress\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\", \"C:\\PerfLogs\\Admin\\services.exe\", \"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\", \"C:\\Windows\\System32\\iexpress\\dllhost.exe\", \"C:\\Windows\\System32\\BdeUISrv\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\", \"C:\\PerfLogs\\Admin\\services.exe\", \"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\", \"C:\\Windows\\System32\\iexpress\\dllhost.exe\", \"C:\\Windows\\System32\\BdeUISrv\\dllhost.exe\", \"C:\\Windows\\System32\\vss_ps\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\", \"C:\\PerfLogs\\Admin\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\taskhost.exe\", \"C:\\Windows\\System32\\mfc140kor\\csrss.exe\", \"C:\\Windows\\System32\\msv1_0\\lsass.exe\", \"C:\\PerfLogs\\Admin\\services.exe\", \"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

Process spawned unexpected child process 8 IoCs

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

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2792	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2616	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1108	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	264	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1940	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2136	1748	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1640	1748	schtasks.exe	30

UAC bypass 3 TTPs 9 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exedllhost.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.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\ConsentPromptBehaviorAdmin = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.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"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
behavioral1/memory/3020-1-0x0000000000C80000-0x0000000000D74000-memory.dmp	dcrat
behavioral1/files/0x00060000000187a2-23.dat	dcrat
behavioral1/memory/272-99-0x0000000000080000-0x0000000000174000-memory.dmp	dcrat

Executes dropped EXE 2 IoCs

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exedllhost.exe

pid	Process
1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
272	dllhost.exe

Adds Run key to start application 2 TTPs 16 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\BdeUISrv\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\BdeUISrv\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\System32\\mfc140kor\\csrss.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\System32\\mfc140kor\\csrss.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\System32\\msv1_0\\lsass.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\PerfLogs\\Admin\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\iexpress\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\vss_ps\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\PerfLogs\\Admin\\taskhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\PerfLogs\\Admin\\taskhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\System32\\msv1_0\\lsass.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\PerfLogs\\Admin\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\vss_ps\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\All Users\\Adobe\\Updater6\\services.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\System32\\iexpress\\dllhost.exe\""	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exedllhost.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.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	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

Drops file in System32 directory 19 IoCs

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

description	ioc	Process
File created	C:\Windows\System32\mfc140kor\886983d96e3d3e31032c679b2d4ea91b6c05afef	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\msv1_0\lsass.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\mfc140kor\RCX1309.tmp	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\iexpress\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\vss_ps\5940a34987c99120d96dace90a3f93f329dcad63	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\iexpress\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\mfc140kor\RCX1308.tmp	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\msv1_0\RCX150D.tmp	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\iexpress\5940a34987c99120d96dace90a3f93f329dcad63	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\BdeUISrv\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\mfc140kor\csrss.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\msv1_0\RCX150E.tmp	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\BdeUISrv\5940a34987c99120d96dace90a3f93f329dcad63	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\vss_ps\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\mfc140kor\csrss.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\msv1_0\6203df4a6bafc7c328ee7f6f8ca0a8a838a8a1b9	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\msv1_0\lsass.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File created	C:\Windows\System32\BdeUISrv\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
File opened for modification	C:\Windows\System32\vss_ps\dllhost.exe	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs

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

persistence execution

Scheduled Task

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	Process
264	schtasks.exe
1940	schtasks.exe
2136	schtasks.exe
1640	schtasks.exe
2792	schtasks.exe
2616	schtasks.exe
2608	schtasks.exe
1108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

pid	Process
3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exedllhost.exe

description	pid	Process
Token: SeDebugPrivilege	3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Token: SeDebugPrivilege	1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Token: SeDebugPrivilege	272	dllhost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.execmd.exe

description	pid	Process	procid_target
PID 3020 wrote to memory of 1248	3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	35
PID 3020 wrote to memory of 1248	3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	35
PID 3020 wrote to memory of 1248	3020	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	35
PID 1248 wrote to memory of 2420	1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	40
PID 1248 wrote to memory of 2420	1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	40
PID 1248 wrote to memory of 2420	1248	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe	40
PID 2420 wrote to memory of 2956	2420	cmd.exe	42
PID 2420 wrote to memory of 2956	2420	cmd.exe	42
PID 2420 wrote to memory of 2956	2420	cmd.exe	42
PID 2420 wrote to memory of 272	2420	cmd.exe	43
PID 2420 wrote to memory of 272	2420	cmd.exe	43
PID 2420 wrote to memory of 272	2420	cmd.exe	43

System policy modification 1 TTPs 9 IoCs

evasion

Modify Registry

Processes:

5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exedllhost.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.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\EnableLUA = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.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\5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
"C:\Users\Admin\AppData\Local\Temp\5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3020
- C:\Users\Admin\AppData\Local\Temp\5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe
  "C:\Users\Admin\AppData\Local\Temp\5fdd8a6cd6e75dacc368bb361235cc83646148e395e839c11a47234ec662cbe6N.exe"
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1248
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\lsH50Q9uTf.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Windows\system32\w32tm.exe
      w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
      4⤵
      PID:2956
  - - C:\Windows\System32\BdeUISrv\dllhost.exe
      "C:\Windows\System32\BdeUISrv\dllhost.exe"
      4⤵
      UAC bypass
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of AdjustPrivilegeToken
      System policy modification
      PID:272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\PerfLogs\Admin\taskhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\System32\mfc140kor\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\System32\msv1_0\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\PerfLogs\Admin\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\All Users\Adobe\Updater6\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\System32\iexpress\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\System32\BdeUISrv\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\System32\vss_ps\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery