dcrat | 93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 17:50

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General

Target

93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Size

1.1MB
MD5

a4ea523b57cc90848732ee08117646d0
SHA1

a9706d93616af18f00027c6d9c29b6b877497c1e
SHA256

93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d
SHA512

b280ef14615e5ebd8aece055c6a1eed253a68b47c26df4e92ed16df054db86d838495056806ff87893e04717e939983aae05dcf4c90eb1c5d2176728a0716a05
SSDEEP

24576:AMYPCI+q+U4cIG409ozWucypk1Nd4AX+iB/YjuM6kyh+i:ABPZ0Kr1FXHB/guM6k+V

Score

10^/10

dcrat infostealer persistence rat

Malware Config

Signatures

DcRat 33 IoCs

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

rat infostealer dcrat

pid	Process
2640	schtasks.exe
2312	schtasks.exe
2796	schtasks.exe
1616	schtasks.exe
1264	schtasks.exe
1444	schtasks.exe
1240	schtasks.exe
1120	schtasks.exe
2564	schtasks.exe
2016	schtasks.exe
2116	schtasks.exe
1152	schtasks.exe
2008	schtasks.exe
1084	schtasks.exe
3004	schtasks.exe
2800	schtasks.exe
2664	schtasks.exe
2324	schtasks.exe
2928	schtasks.exe
2968	schtasks.exe
2208	schtasks.exe
3032	schtasks.exe
2648	schtasks.exe
2600	schtasks.exe
2572	schtasks.exe
2776	schtasks.exe
760	schtasks.exe
2172	schtasks.exe
1876	schtasks.exe
2872	schtasks.exe
1584	schtasks.exe
1160	schtasks.exe
776	schtasks.exe

Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 11 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:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Program Files\\Windows NT\\spoolsv.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Program Files\\Windows NT\\spoolsv.exe\", \"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\", \"C:\\Users\\Admin\\PrintHood\\taskhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Program Files\\Windows NT\\spoolsv.exe\", \"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\", \"C:\\Users\\Admin\\PrintHood\\taskhost.exe\", \"C:\\Program Files\\Microsoft Games\\Minesweeper\\de-DE\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Program Files\\Windows NT\\spoolsv.exe\", \"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Recent\\sppsvc.exe\", \"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\", \"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\", \"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Program Files\\Windows NT\\spoolsv.exe\", \"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\", \"C:\\Users\\Admin\\PrintHood\\taskhost.exe\", \"C:\\Program Files\\Microsoft Games\\Minesweeper\\de-DE\\dllhost.exe\", \"C:\\Users\\All Users\\csrss.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe

Process spawned unexpected child process 33 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	2800	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2872	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2796	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3004	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1152	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1616	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2640	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2648	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2600	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2664	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2312	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2572	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2008	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1084	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1584	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1160	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1120	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2776	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2928	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2564	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	776	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2968	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	760	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2016	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1264	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1444	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2208	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2172	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2116	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1240	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1876	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2324	2216	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3032	2216	schtasks.exe	30

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2684-1-0x0000000001350000-0x000000000147E000-memory.dmp	dcrat
behavioral1/files/0x0006000000016141-15.dat	dcrat
behavioral1/memory/1056-38-0x0000000001370000-0x000000000149E000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
1056	taskhost.exe

Adds Run key to start application 2 TTPs 22 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\spoolsv = "\"C:\\Program Files\\Windows NT\\spoolsv.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d = "\"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Users\\Admin\\Recent\\sppsvc.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Internet Explorer\\it-IT\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\MSOCache\\All Users\\{90140000-00A1-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Windows NT\\spoolsv.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Windows Defender\\en-US\\System.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\Users\\Admin\\PrintHood\\taskhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Microsoft Games\\Minesweeper\\de-DE\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Microsoft Games\\Minesweeper\\de-DE\\dllhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Users\\Admin\\Recent\\sppsvc.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\All Users\\csrss.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\All Users\\csrss.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d = "\"C:\\Windows\\tracing\\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\PresentationCFFRast#\\explorer.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\Users\\Admin\\PrintHood\\taskhost.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files\\VideoLAN\\VLC\\skins\\fonts\\WmiPrvSE.exe\""	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\it-IT\5940a34987c991	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\de-DE\dllhost.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\Windows NT\f3b6ecef712a24	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files (x86)\Windows Defender\en-US\System.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files (x86)\Windows Defender\en-US\27d1bcfc3c54e0	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\de-DE\5940a34987c991	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\VideoLAN\VLC\skins\fonts\WmiPrvSE.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\VideoLAN\VLC\skins\fonts\24dbde2999530e	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\Internet Explorer\it-IT\dllhost.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Program Files\Windows NT\spoolsv.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\explorer.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\7a0fd90576e088	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Windows\Speech\Common\de-DE\lsm.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Windows\tracing\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
File created	C:\Windows\tracing\b80884f09645da	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.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 33 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
760	schtasks.exe
3004	schtasks.exe
1616	schtasks.exe
1120	schtasks.exe
1264	schtasks.exe
1876	schtasks.exe
2572	schtasks.exe
1444	schtasks.exe
1240	schtasks.exe
2640	schtasks.exe
2776	schtasks.exe
2564	schtasks.exe
2312	schtasks.exe
2208	schtasks.exe
2872	schtasks.exe
2796	schtasks.exe
2008	schtasks.exe
1584	schtasks.exe
2016	schtasks.exe
2324	schtasks.exe
1152	schtasks.exe
776	schtasks.exe
2116	schtasks.exe
2928	schtasks.exe
2968	schtasks.exe
2800	schtasks.exe
2648	schtasks.exe
2600	schtasks.exe
2664	schtasks.exe
1084	schtasks.exe
1160	schtasks.exe
2172	schtasks.exe
3032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
1056	taskhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
Token: SeDebugPrivilege	1056	taskhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2200	2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe	64
PID 2684 wrote to memory of 2200	2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe	64
PID 2684 wrote to memory of 2200	2684	93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe	64
PID 2200 wrote to memory of 468	2200	cmd.exe	66
PID 2200 wrote to memory of 468	2200	cmd.exe	66
PID 2200 wrote to memory of 468	2200	cmd.exe	66
PID 2200 wrote to memory of 1056	2200	cmd.exe	67
PID 2200 wrote to memory of 1056	2200	cmd.exe	67
PID 2200 wrote to memory of 1056	2200	cmd.exe	67

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\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe
"C:\Users\Admin\AppData\Local\Temp\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\T9iG1lgczy.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:468
- - C:\Users\Admin\PrintHood\taskhost.exe
    "C:\Users\Admin\PrintHood\taskhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Recent\sppsvc.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Admin\Recent\sppsvc.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Recent\sppsvc.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Program Files\Internet Explorer\it-IT\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2640

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\it-IT\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files\Internet Explorer\it-IT\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2600

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d9" /sc MINUTE /mo 8 /tr "'C:\Windows\tracing\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d" /sc ONLOGON /tr "'C:\Windows\tracing\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d9" /sc MINUTE /mo 14 /tr "'C:\Windows\tracing\93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\explorer.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2008

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\explorer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\explorer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1584

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1160

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows NT\spoolsv.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows NT\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows NT\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Defender\en-US\System.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\en-US\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Defender\en-US\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2208

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Games\Minesweeper\de-DE\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\Minesweeper\de-DE\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2116

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Games\Minesweeper\de-DE\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1240

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3032

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

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

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:\Users\Admin\AppData\Local\Temp\T9iG1lgczy.bat

Filesize
202B

MD5
3abdf8389541f5cae37eab3d8d7b5fe1

SHA1
00242519ab796ff67bea3d0e54baae2b50e4e833

SHA256
07a8188e5406ca683b1b365903196e900a1a897a037622351488edf1a8d8773f

SHA512
636b193e34bf31e1403ac05e6bd662c3bdb6ea6aa06b5759a60dd42ac631182d2176c7fe5691abe09bfc71552e125cd174d90abb5ed5f805694939ae25741991

Download Submit
C:\Windows\assembly\NativeImages_v2.0.50727_64\PresentationCFFRast#\explorer.exe

Filesize
1.1MB

MD5
a4ea523b57cc90848732ee08117646d0

SHA1
a9706d93616af18f00027c6d9c29b6b877497c1e

SHA256
93e88c0eeb14a25944205694761570f5e1700e260910134faf82eafe33d0ee1d

SHA512
b280ef14615e5ebd8aece055c6a1eed253a68b47c26df4e92ed16df054db86d838495056806ff87893e04717e939983aae05dcf4c90eb1c5d2176728a0716a05

Download Submit
memory/1056-38-0x0000000001370000-0x000000000149E000-memory.dmp

Filesize
1.2MB

Download
memory/2684-0-0x000007FEF5483000-0x000007FEF5484000-memory.dmp

Filesize
4KB

Download
memory/2684-1-0x0000000001350000-0x000000000147E000-memory.dmp

Filesize
1.2MB

Download
memory/2684-2-0x000007FEF5480000-0x000007FEF5E6C000-memory.dmp

Filesize
9.9MB

Download
memory/2684-3-0x00000000002C0000-0x00000000002DC000-memory.dmp

Filesize
112KB

Download
memory/2684-4-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/2684-5-0x0000000000320000-0x000000000032E000-memory.dmp

Filesize
56KB

Download
memory/2684-6-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/2684-34-0x000007FEF5480000-0x000007FEF5E6C000-memory.dmp

Filesize
9.9MB

Download