b6dac480e4c7f15e8de6633ee9b52b3bda0b6b2f1897a76ddb4ab0ffb76b2588

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2584227348-426884507-1572084426-1000\Control Panel\International\Geo\Nation	AngryVirus.exe

Executes dropped EXE 3 IoCs

pid	Process
1444	MasonMBR-S.exe
3432	MasonGDI.exe
4884	MasonRootkit.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs

Clear Windows Event Logs to hide the activity of an intrusion.

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx	svchost.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\A:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\D:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wmiprvse.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.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 1 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	MasonGDI.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mousocoreworker.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	mousocoreworker.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	mousocoreworker.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	mousocoreworker.exe

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
4224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
2084	wmiprvse.exe
2084	wmiprvse.exe
2084	wmiprvse.exe
2084	wmiprvse.exe
2084	wmiprvse.exe
2084	wmiprvse.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe
4884	MasonRootkit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	MasonRootkit.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeSystemtimePrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeUndockPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeSystemtimePrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeUndockPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeSystemtimePrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeUndockPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe
Token: SeTakeOwnershipPrivilege	2540	svchost.exe
Token: SeLoadDriverPrivilege	2540	svchost.exe
Token: SeSystemtimePrivilege	2540	svchost.exe
Token: SeBackupPrivilege	2540	svchost.exe
Token: SeRestorePrivilege	2540	svchost.exe
Token: SeShutdownPrivilege	2540	svchost.exe
Token: SeSystemEnvironmentPrivilege	2540	svchost.exe
Token: SeUndockPrivilege	2540	svchost.exe
Token: SeManageVolumePrivilege	2540	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2540	svchost.exe
Token: SeIncreaseQuotaPrivilege	2540	svchost.exe
Token: SeSecurityPrivilege	2540	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 4224	1832	AngryVirus.exe	85
PID 1832 wrote to memory of 1444	1832	AngryVirus.exe	87
PID 1832 wrote to memory of 3432	1832	AngryVirus.exe	88
PID 1832 wrote to memory of 4884	1832	AngryVirus.exe	89
PID 4884 wrote to memory of 596	4884	MasonRootkit.exe	5
PID 4884 wrote to memory of 676	4884	MasonRootkit.exe	7
PID 4884 wrote to memory of 880	4884	MasonRootkit.exe	11
PID 4884 wrote to memory of 320	4884	MasonRootkit.exe	13
PID 4884 wrote to memory of 744	4884	MasonRootkit.exe	14
PID 4884 wrote to memory of 872	4884	MasonRootkit.exe	15
PID 4884 wrote to memory of 408	4884	MasonRootkit.exe	16
PID 4884 wrote to memory of 1088	4884	MasonRootkit.exe	17
PID 4884 wrote to memory of 1104	4884	MasonRootkit.exe	18
PID 4884 wrote to memory of 1132	4884	MasonRootkit.exe	19
PID 4884 wrote to memory of 1200	4884	MasonRootkit.exe	20
PID 4884 wrote to memory of 1208	4884	MasonRootkit.exe	21
PID 4884 wrote to memory of 1412	4884	MasonRootkit.exe	23
PID 4884 wrote to memory of 1448	4884	MasonRootkit.exe	24
PID 4884 wrote to memory of 1480	4884	MasonRootkit.exe	25
PID 4884 wrote to memory of 1512	4884	MasonRootkit.exe	26
PID 4884 wrote to memory of 1564	4884	MasonRootkit.exe	27
PID 4884 wrote to memory of 1684	4884	MasonRootkit.exe	28
PID 4884 wrote to memory of 1692	4884	MasonRootkit.exe	29
PID 4884 wrote to memory of 1752	4884	MasonRootkit.exe	30
PID 4884 wrote to memory of 1800	4884	MasonRootkit.exe	31
PID 4884 wrote to memory of 1864	4884	MasonRootkit.exe	32
PID 4884 wrote to memory of 1972	4884	MasonRootkit.exe	33
PID 4884 wrote to memory of 2016	4884	MasonRootkit.exe	34
PID 4884 wrote to memory of 2032	4884	MasonRootkit.exe	35
PID 4884 wrote to memory of 2040	4884	MasonRootkit.exe	36
PID 4884 wrote to memory of 1128	4884	MasonRootkit.exe	37
PID 4884 wrote to memory of 1808	4884	MasonRootkit.exe	38
PID 4884 wrote to memory of 2056	4884	MasonRootkit.exe	39
PID 4884 wrote to memory of 2272	4884	MasonRootkit.exe	40
PID 4884 wrote to memory of 2364	4884	MasonRootkit.exe	42
PID 4884 wrote to memory of 2504	4884	MasonRootkit.exe	43
PID 4884 wrote to memory of 2540	4884	MasonRootkit.exe	44
PID 4884 wrote to memory of 2748	4884	MasonRootkit.exe	46
PID 4884 wrote to memory of 2752	4884	MasonRootkit.exe	47
PID 4884 wrote to memory of 2908	4884	MasonRootkit.exe	48
PID 4884 wrote to memory of 2960	4884	MasonRootkit.exe	49
PID 4884 wrote to memory of 2988	4884	MasonRootkit.exe	50
PID 4884 wrote to memory of 2992	4884	MasonRootkit.exe	51
PID 4884 wrote to memory of 3016	4884	MasonRootkit.exe	52
PID 4884 wrote to memory of 3076	4884	MasonRootkit.exe	53
PID 4884 wrote to memory of 3196	4884	MasonRootkit.exe	54
PID 4884 wrote to memory of 3264	4884	MasonRootkit.exe	55
PID 4884 wrote to memory of 3444	4884	MasonRootkit.exe	56
PID 4884 wrote to memory of 3452	4884	MasonRootkit.exe	57
PID 4884 wrote to memory of 3604	4884	MasonRootkit.exe	58
PID 4884 wrote to memory of 3920	4884	MasonRootkit.exe	60
PID 4884 wrote to memory of 688	4884	MasonRootkit.exe	62
PID 4884 wrote to memory of 4272	4884	MasonRootkit.exe	63
PID 4884 wrote to memory of 2476	4884	MasonRootkit.exe	65
PID 4884 wrote to memory of 6136	4884	MasonRootkit.exe	67
PID 4884 wrote to memory of 4500	4884	MasonRootkit.exe	69
PID 4884 wrote to memory of 5416	4884	MasonRootkit.exe	70
PID 4884 wrote to memory of 1460	4884	MasonRootkit.exe	71
PID 4884 wrote to memory of 2296	4884	MasonRootkit.exe	72
PID 4884 wrote to memory of 5548	4884	MasonRootkit.exe	73
PID 4884 wrote to memory of 4604	4884	MasonRootkit.exe	74
PID 4884 wrote to memory of 3600	4884	MasonRootkit.exe	75
PID 4884 wrote to memory of 5236	4884	MasonRootkit.exe	76
PID 4884 wrote to memory of 4028	4884	MasonRootkit.exe	77

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:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:596
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1132

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:676

C:\Windows\System32\WUDFHost.exe
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-eda5bc7e-04cf-4259-a871-a0587839b2ef -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-dc70976b-bdb3-4033-8c93-3637bbeaabfc -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-b37a9a6b-d8de-4aee-b7cd-9d34b2d66a8d -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-c34f10cd-60ed-4f15-bb7c-72424431c191 -LifetimeId:14ab66f9-0dc0-4cf0-ae81-d84f59d7f50b -DeviceGroupId:WudfDefaultDevicePool -HostArg:0
1⤵
PID:880

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:320

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:872

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:408

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1088

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
1⤵
PID:1104

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1200

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1208

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1448

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1480

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1512

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1564
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:3196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1684
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3016

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1692

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1800

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1864

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1972
- C:\Windows\system32\AUDIODG.EXE
  C:\Windows\system32\AUDIODG.EXE 0x4ec 0x16c
  2⤵
  PID:3520

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:2016

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:2032

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:2040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1128

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:2056

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2272

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2364

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2504

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2752

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
PID:2908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
- Enumerates connected drives
PID:2960

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2988

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3076

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3264

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\AngryVirus.exe
  "C:\Users\Admin\AppData\Local\Temp\AngryVirus.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /F /TN "MasonMBR" /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\\MasonMBR.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4224
- - C:\Users\Admin\AppData\Local\Temp\MasonMBR-S.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonMBR-S.exe"
    3⤵
    - Executes dropped EXE
    PID:1444
- - C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonGDI.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3432
- - C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4884

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3452

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3604

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3920

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4272

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:2476

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:6136

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4500

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:5416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:1460

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2296

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:5548

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:4604

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:3600

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:5236

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca
1⤵
PID:4028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:5556

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 10868aeec7d8fd7b58dcdfa143454847 glpM6CwpgEictuEuUA1WVA.0.1.0.0.0
1⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:4768
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:4792

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:6080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
PID:5608

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2084

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:4192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:1988

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3592

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery