dcrat | 59aad546a2a32c7e540e7067d41fd51046f275ce8ca021dfe06f0dd2c1063779

Processes:

portproviderperf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\SurrogatewinDrivernetsvc\\sysmon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\SurrogatewinDrivernetsvc\\sysmon.exe\", \"C:\\Program Files\\Internet Explorer\\images\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Program Files\\Windows Mail\\csrss.exe\", \"C:\\SurrogatewinDrivernetsvc\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\SurrogatewinDrivernetsvc\\sysmon.exe\", \"C:\\Program Files\\Internet Explorer\\images\\RuntimeBroker.exe\", \"C:\\Program Files\\WindowsPowerShell\\Configuration\\Schema\\fontdrvhost.exe\""	portproviderperf.exe

Process spawned unexpected child process 21 IoCs

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

Processes:

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

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1080	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1308	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1536	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2196	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	928	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1340	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	212	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3352	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3288	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2452	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3764	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2112	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1960	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3544	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	940	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1316	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1396	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2604	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4596	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2356	976	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4980	976	schtasks.exe

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

portproviderperf.exesysmon.exe

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

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
C:\SurrogatewinDrivernetsvc\portproviderperf.exe	dcrat
behavioral2/memory/312-13-0x00000000007D0000-0x0000000000A76000-memory.dmp	dcrat

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exeportproviderperf.exesysmon.exeDCRatBuild442.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	portproviderperf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	sysmon.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	DCRatBuild442.exe

Executes dropped EXE 2 IoCs

Processes:

portproviderperf.exesysmon.exe

pid process

312 portproviderperf.exe
3040 sysmon.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 14 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

portproviderperf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sysmon = "\"C:\\SurrogatewinDrivernetsvc\\sysmon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files\\Internet Explorer\\images\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files\\Internet Explorer\\images\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\WindowsPowerShell\\Configuration\\Schema\\fontdrvhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Windows Mail\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sysmon = "\"C:\\SurrogatewinDrivernetsvc\\sysmon.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\WindowsPowerShell\\Configuration\\Schema\\fontdrvhost.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Windows Mail\\csrss.exe\""	portproviderperf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\SurrogatewinDrivernetsvc\\csrss.exe\""	portproviderperf.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

portproviderperf.exesysmon.exe

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

Drops file in Program Files directory 6 IoCs

Processes:

portproviderperf.exe

description	ioc	process
File created	C:\Program Files\Internet Explorer\images\RuntimeBroker.exe	portproviderperf.exe
File created	C:\Program Files\Internet Explorer\images\9e8d7a4ca61bd9	portproviderperf.exe
File created	C:\Program Files\WindowsPowerShell\Configuration\Schema\fontdrvhost.exe	portproviderperf.exe
File created	C:\Program Files\WindowsPowerShell\Configuration\Schema\5b884080fd4f94	portproviderperf.exe
File created	C:\Program Files\Windows Mail\csrss.exe	portproviderperf.exe
File created	C:\Program Files\Windows Mail\886983d96e3d3e	portproviderperf.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 4 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

Processes:

DCRatBuild442.exeWScript.execmd.exereg.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DCRatBuild442.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry class 3 IoCs

Processes:

sysmon.exeDCRatBuild442.exeportproviderperf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings	sysmon.exe
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings	DCRatBuild442.exe
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings	portproviderperf.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4428 reg.exe

pid	process
4428	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 21 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.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
1080	schtasks.exe
1340	schtasks.exe
3544	schtasks.exe
1316	schtasks.exe
1396	schtasks.exe
4980	schtasks.exe
1308	schtasks.exe
928	schtasks.exe
3288	schtasks.exe
1960	schtasks.exe
2356	schtasks.exe
2196	schtasks.exe
212	schtasks.exe
3352	schtasks.exe
2452	schtasks.exe
940	schtasks.exe
4596	schtasks.exe
1536	schtasks.exe
3764	schtasks.exe
2112	schtasks.exe
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

portproviderperf.exesysmon.exe

pid	process
312	portproviderperf.exe
312	portproviderperf.exe
312	portproviderperf.exe
312	portproviderperf.exe
312	portproviderperf.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe
3040	sysmon.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

sysmon.exe

pid process

3040 sysmon.exe

pid	process
3040	sysmon.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

portproviderperf.exesysmon.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	312	portproviderperf.exe
Token: SeDebugPrivilege	3040	sysmon.exe
Token: SeBackupPrivilege	1968	vssvc.exe
Token: SeRestorePrivilege	1968	vssvc.exe
Token: SeAuditPrivilege	1968	vssvc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

DCRatBuild442.exeWScript.execmd.exeportproviderperf.execmd.exesysmon.exe

description	pid	process	target process
PID 2644 wrote to memory of 4376	2644	DCRatBuild442.exe	WScript.exe
PID 2644 wrote to memory of 4376	2644	DCRatBuild442.exe	WScript.exe
PID 2644 wrote to memory of 4376	2644	DCRatBuild442.exe	WScript.exe
PID 4376 wrote to memory of 1168	4376	WScript.exe	cmd.exe
PID 4376 wrote to memory of 1168	4376	WScript.exe	cmd.exe
PID 4376 wrote to memory of 1168	4376	WScript.exe	cmd.exe
PID 1168 wrote to memory of 312	1168	cmd.exe	portproviderperf.exe
PID 1168 wrote to memory of 312	1168	cmd.exe	portproviderperf.exe
PID 312 wrote to memory of 1896	312	portproviderperf.exe	cmd.exe
PID 312 wrote to memory of 1896	312	portproviderperf.exe	cmd.exe
PID 1168 wrote to memory of 4428	1168	cmd.exe	reg.exe
PID 1168 wrote to memory of 4428	1168	cmd.exe	reg.exe
PID 1168 wrote to memory of 4428	1168	cmd.exe	reg.exe
PID 1896 wrote to memory of 1716	1896	cmd.exe	w32tm.exe
PID 1896 wrote to memory of 1716	1896	cmd.exe	w32tm.exe
PID 1896 wrote to memory of 3040	1896	cmd.exe	sysmon.exe
PID 1896 wrote to memory of 3040	1896	cmd.exe	sysmon.exe
PID 3040 wrote to memory of 2988	3040	sysmon.exe	WScript.exe
PID 3040 wrote to memory of 2988	3040	sysmon.exe	WScript.exe
PID 3040 wrote to memory of 4540	3040	sysmon.exe	WScript.exe
PID 3040 wrote to memory of 4540	3040	sysmon.exe	WScript.exe

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

Processes:

portproviderperf.exesysmon.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	sysmon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	sysmon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	sysmon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	portproviderperf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	portproviderperf.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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\DCRatBuild442.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild442.exe"
1⤵
- DcRat
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\SurrogatewinDrivernetsvc\j01KoBqau4T1mDZA7pWtHlrYnnCAl.vbe"
2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\SurrogatewinDrivernetsvc\tab5JuwN9kJgOdDnrNFIynFDGX.bat" "
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1168

C:\SurrogatewinDrivernetsvc\portproviderperf.exe
"C:\SurrogatewinDrivernetsvc\portproviderperf.exe"
4⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:312

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\OydnWI9JLM.bat"
5⤵
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
6⤵
PID:1716

C:\SurrogatewinDrivernetsvc\sysmon.exe
"C:\SurrogatewinDrivernetsvc\sysmon.exe"
6⤵
- UAC bypass
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3040

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\d2a7f087-a05f-43a6-9df4-01b4076429c9.vbs"
7⤵
PID:2988

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\76629452-1600-4789-a245-b5f30a37f4a1.vbs"
7⤵
PID:4540

C:\Windows\SysWOW64\reg.exe
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
4⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Mail\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Mail\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1340

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3352

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\SurrogatewinDrivernetsvc\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3288

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2452

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3764

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2112

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 9 /tr "'C:\SurrogatewinDrivernetsvc\sysmon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\SurrogatewinDrivernetsvc\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 13 /tr "'C:\SurrogatewinDrivernetsvc\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files\Internet Explorer\images\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\images\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\images\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Schema\fontdrvhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Configuration\Schema\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Schema\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4980

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1968

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1168

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System