dcrat | d9cbcae95ae824014b6d2fd6d3269b00b09ab84ed44b45b21c0b1842e7cdc132

Analysis

max time kernel
131s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 05:19

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General

Target

DCRatBuild.exe
Size

1.1MB
MD5

7ef93a29c05d412dd2dc432e1aac54a9
SHA1

776cc5c36f370a7e1fa840a21c13f2278723409e
SHA256

d9cbcae95ae824014b6d2fd6d3269b00b09ab84ed44b45b21c0b1842e7cdc132
SHA512

26e00619e47a130fb768b91074915c8a69f8690ac12465f21c1bd7e69f94ae6db9a238ff3c510a719cf1a318a07c80a543212c200b2b2152934a1ad154d13ab6
SSDEEP

12288:URZ+IoG/n9IQxW3OBseUUT+tcYbv+RK+UfXST5/rKMyFckcb8M41AT0z/GAFPz3m:u2G/nvxW3WieC7STuMMATKPTVgxr4q

Score

10^/10

dcrat discovery infostealer persistence rat

Malware Config

Signatures

DcRat 29 IoCs

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

rat infostealer dcrat

description	ioc	pid	Process
		3164	schtasks.exe
		1620	schtasks.exe
		3816	schtasks.exe
		4052	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language		DCRatBuild.exe
		1960	schtasks.exe
		4216	schtasks.exe
		1716	schtasks.exe
		4924	schtasks.exe
		4460	schtasks.exe
		1008	schtasks.exe
		1564	schtasks.exe
		2444	schtasks.exe
		1460	schtasks.exe
		2016	schtasks.exe
		4028	schtasks.exe
		2204	schtasks.exe
		884	schtasks.exe
File created	C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\24dbde2999530e		Bridgewebsvc.exe
		4796	schtasks.exe
		4072	schtasks.exe
		2536	schtasks.exe
		1256	schtasks.exe
		1112	schtasks.exe
		3420	schtasks.exe
		2824	schtasks.exe
		3532	schtasks.exe
		1380	schtasks.exe
		4768	schtasks.exe

Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 9 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 (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\", \"C:\\Windows\\Provisioning\\services.exe\", \"C:\\Program Files\\7-Zip\\dllhost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\", \"C:\\Windows\\Provisioning\\services.exe\", \"C:\\Program Files\\7-Zip\\dllhost.exe\", \"C:\\Users\\Default User\\dwm.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\", \"C:\\Windows\\Provisioning\\services.exe\", \"C:\\Program Files\\7-Zip\\dllhost.exe\", \"C:\\Users\\Default User\\dwm.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\", \"C:\\Windows\\Provisioning\\services.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\", \"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\", \"C:\\Users\\Public\\Desktop\\sihost.exe\", \"C:\\Program Files\\Windows Security\\SppExtComObj.exe\", \"C:\\Windows\\Provisioning\\services.exe\", \"C:\\Program Files\\7-Zip\\dllhost.exe\", \"C:\\Users\\Default User\\dwm.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\PortproviderRuntime\\RuntimeBroker.exe\""	Bridgewebsvc.exe

Process spawned unexpected child process 27 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	4924	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4796	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2444	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2824	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1380	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3816	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2016	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1460	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1716	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	884	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4768	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1564	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3532	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4072	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2536	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4052	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3164	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4460	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1256	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1960	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4028	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1112	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3420	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1008	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1620	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2204	2724	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4216	2724	schtasks.exe	92

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x0007000000023c97-9.dat	dcrat
behavioral2/memory/3608-13-0x00000000007D0000-0x00000000008A6000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Bridgewebsvc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	DCRatBuild.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

pid	Process
3608	Bridgewebsvc.exe
2004	OfficeClickToRun.exe

Adds Run key to start application 2 TTPs 18 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Microsoft.NET\\Primary Interop Assemblies\\WmiPrvSE.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sihost = "\"C:\\Users\\Public\\Desktop\\sihost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Program Files\\Windows Security\\SppExtComObj.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\7-Zip\\dllhost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Recovery\\WindowsRE\\OfficeClickToRun.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sihost = "\"C:\\Users\\Public\\Desktop\\sihost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Program Files\\Windows Security\\SppExtComObj.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Windows\\Provisioning\\services.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Users\\Default User\\dwm.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\7-Zip\\dllhost.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Users\\Default User\\dwm.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Windows\\Provisioning\\services.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\PortproviderRuntime\\RuntimeBroker.exe\""	Bridgewebsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\PortproviderRuntime\\RuntimeBroker.exe\""	Bridgewebsvc.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\24dbde2999530e	Bridgewebsvc.exe
File created	C:\Program Files\Windows Security\SppExtComObj.exe	Bridgewebsvc.exe
File created	C:\Program Files\Windows Security\e1ef82546f0b02	Bridgewebsvc.exe
File created	C:\Program Files\7-Zip\dllhost.exe	Bridgewebsvc.exe
File created	C:\Program Files\7-Zip\5940a34987c991	Bridgewebsvc.exe
File created	C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\WmiPrvSE.exe	Bridgewebsvc.exe
File opened for modification	C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\WmiPrvSE.exe	Bridgewebsvc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Provisioning\services.exe	Bridgewebsvc.exe
File created	C:\Windows\Provisioning\c5b4cb5e9653cc	Bridgewebsvc.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 3 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	DCRatBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	DCRatBuild.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 27 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2016	schtasks.exe
1716	schtasks.exe
2204	schtasks.exe
2444	schtasks.exe
884	schtasks.exe
1564	schtasks.exe
1256	schtasks.exe
1380	schtasks.exe
4460	schtasks.exe
4028	schtasks.exe
1008	schtasks.exe
4216	schtasks.exe
2536	schtasks.exe
4052	schtasks.exe
4924	schtasks.exe
3532	schtasks.exe
1460	schtasks.exe
4768	schtasks.exe
4072	schtasks.exe
4796	schtasks.exe
3816	schtasks.exe
1620	schtasks.exe
2824	schtasks.exe
3164	schtasks.exe
1960	schtasks.exe
1112	schtasks.exe
3420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
3608	Bridgewebsvc.exe
2004	OfficeClickToRun.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	Bridgewebsvc.exe
Token: SeDebugPrivilege	2004	OfficeClickToRun.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 4900	4736	DCRatBuild.exe	86
PID 4736 wrote to memory of 4900	4736	DCRatBuild.exe	86
PID 4736 wrote to memory of 4900	4736	DCRatBuild.exe	86
PID 4900 wrote to memory of 776	4900	WScript.exe	93
PID 4900 wrote to memory of 776	4900	WScript.exe	93
PID 4900 wrote to memory of 776	4900	WScript.exe	93
PID 776 wrote to memory of 3608	776	cmd.exe	95
PID 776 wrote to memory of 3608	776	cmd.exe	95
PID 3608 wrote to memory of 2004	3608	Bridgewebsvc.exe	124
PID 3608 wrote to memory of 2004	3608	Bridgewebsvc.exe	124

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\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
1⤵
- DcRat
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\PortproviderRuntime\2jiE6dDNxF2hUpVE5Z.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\PortproviderRuntime\OI2YygSphQCiiCNA7ofzvo.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:776
  - - C:\PortproviderRuntime\Bridgewebsvc.exe
      "C:\PortproviderRuntime\Bridgewebsvc.exe"
      4⤵
      DcRat
      Modifies WinLogon for persistence
      Checks computer location settings
      Executes dropped EXE
      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:3608
    - - C:\Recovery\WindowsRE\OfficeClickToRun.exe
        
        "C:\Recovery\WindowsRE\OfficeClickToRun.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1380

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Desktop\sihost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\Public\Desktop\sihost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Desktop\sihost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Security\SppExtComObj.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files\Windows Security\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Security\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4768

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Windows\Provisioning\services.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3532

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\Provisioning\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4072

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Windows\Provisioning\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files\7-Zip\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\7-Zip\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Program Files\7-Zip\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Users\Default User\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1256

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Default User\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1112

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3420

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1008

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\PortproviderRuntime\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\PortproviderRuntime\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\PortproviderRuntime\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4216

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PortproviderRuntime\2jiE6dDNxF2hUpVE5Z.vbe

Filesize
218B

MD5
413767cf51f36f7f50d9430d73ea0bb1

SHA1
4469733bce94a114c836ea3591dccb3e689782c7

SHA256
2e118668b3c63457b924aafd6b402e105477030d6157e3d66ba8ba7acad58dcf

SHA512
3c12a46412227f57f8aa815b0b7820ca54eb3fa7a033ea7baa7efad7526755db7998d843a6790880efa87b841e9c6085b793930ae865c2694c8385e5937ee900

Download Submit
C:\PortproviderRuntime\Bridgewebsvc.exe

Filesize
828KB

MD5
fddea23e803e9e5de212e4c0475c8f93

SHA1
c4426bf36ce54917155da2bfbec1508c5a799664

SHA256
f014b4dd1600fb5ecd92de55165573415c2d7ee184a4f70f2f975ee7909150f6

SHA512
05459fc75998ee306e8de7e544aaf744e5c6e1930dcb7e02b94a566a7ad6e874a9fe50a78a1da50b4e7110282e49353f8ced586117d772b600b84d09ee070591

Download Submit
C:\PortproviderRuntime\OI2YygSphQCiiCNA7ofzvo.bat

Filesize
41B

MD5
863d81db66a0a5864890665ea50c23c5

SHA1
f5a584f4ee5e390b667eaa5e5d9332251388fa7e

SHA256
d4fa2e3203a21efd9f46fd9ea5fcedbabe13bd9a2bc93d0169070507380bbf9b

SHA512
ecb8ff338e0febcfe8965516a58dcdcd63420592467ce1c281f7ccacf7a2ca02bd7a73d52208e98edec3e73ea69477f3ccaa4ddf4b0608e5598a92e110e5d3b0

Download Submit
memory/3608-12-0x00007FFB33063000-0x00007FFB33065000-memory.dmp

Filesize
8KB

Download
memory/3608-13-0x00000000007D0000-0x00000000008A6000-memory.dmp

Filesize
856KB

Download