Analysis
- user interaction
yes - max time kernel
150s - max time network
152s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
02/10/2026, 07:02
Static task
static1
Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win10ltsc2021-20260911-en
General
- Target MasonClient.exe
- Size 1.6MB
- Sample261002-htt3ssxsdv
- SHA256 8f3f93c5f53d1b36e8dbc5ad0123f5b89776a79af2cd676fb1595e39187a6e25
- MD5 a8f1eb5a14d9052fd29d5e1913dd7896
- SHA1 6254da8932fe030847e365cdc8a8fe9d9dddbf53
- SHA512 2df036b4dba1533b6c4f6cd0b1e3bb622f3e1ae453761a602e3a7c194c2e06aa8478ecf0d572a74b0ad1e740fba5d91e34b14fe55aea8e9abfd9fcf8656701dc
- SSDEEP 24576:58/ORRWXhfMV3X2Ua4rUHRc+gZixDBNDUCN3Nszfdlu/WcMuaTgL:S/WWXhK3/UHljtBNDUCN3NwGdMuaTs
- TLSH T197853344376FE4DDD4F8D871B7EF402579E39258F09956EB420C06AABF26943A3342AC
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
neptunerat
-
30.tcp.cpolar.top:14990
-
filename
USB.exe
-
group
MasonGroup
-
key
VzK63fZifMmPLaSN
-
rat_name
MasonRAT
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects DonutLoader 1 IoCs
resource yara_rule behavioral1/memory/816-1-0x000000001B350000-0x000000001B4F2000-memory.dmp family_donutloader - Detects NeptuneRAT stealer 1 IoCs
resource yara_rule behavioral1/memory/816-4-0x000000001BAF0000-0x000000001BC90000-memory.dmp family_neptunerat - Suspicious use of NtCreateUserProcessOtherParentProcess 1 TTPs 1 IoCs
description pid Process procid_target PID 2520 created 600 2520 MasonRootkit.exe 5 - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\DoSvc\ImagePath = "C:\\Windows\\System32\\svchost.exe -k NetworkService -p" WaaSMedicAgent.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate wmiprvse.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion wmiprvse.exe - Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation MasonClient.exe Key value queried \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation MasonKit.exe Key value queried \REGISTRY\USER\S-1-5-21-3202520547-175870679-441661622-1000\Control Panel\International\Geo\Nation MasonMasonClient.exe - Executes dropped EXE 5 IoCs
pid Process 1804 MasonKit.exe 2320 MasonMasonClient.exe 2520 MasonRootkit.exe 4240 MasonMasonClient.exe 2596 MasonMasonClient.exe - Indicator Removal: Clear Windows Event Logs 1 TTPs 1 IoCs
Clear Windows Event Logs to hide the activity of an intrusion.
description ioc Process File opened for modification C:\Windows\System32\Winevt\Logs\Microsoft-Windows-WindowsUpdateClient%4Operational.evtx svchost.exe - Loads dropped DLL 1 IoCs
pid Process 872 MasonMasonClient.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: 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) \??\S: svchost.exe File opened (read-only) \??\Y: 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) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\A: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\X: svchost.exe \??\F:\ svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\O: 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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 wmiprvse.exe - Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419 svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml OfficeClickToRun.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419 svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749 svchost.exe File opened for modification C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan svchost.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2520 set thread context of 2180 2520 MasonRootkit.exe 90 - Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe 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).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 780 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname MasonMasonClient.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain MasonMasonClient.exe - Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString mousocoreworker.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 mousocoreworker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 mousocoreworker.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 mousocoreworker.exe 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 - Delays execution with timeout.exe 1 IoCs
pid Process 1356 timeout.exe - Enumerates system info in registry 2 TTPs 3 IoCs
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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier wmiprvse.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\RulesEndpoint = "https://nexusrules.officeapps.live.com/nexus/rules?Application=officeclicktorun.exe&Version=16.0.12527.20470&ClientId={492A37D3-A738-42B5-9C3E-2889BCC6D5A3}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&" OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Token\{0CB4A94A-6E8C-477B-88C8-A3799FC97414} mousocoreworker.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,940 10,941 10,942 10,943 10,940 15,1329 15,940 6,944 50,944 10,941 15,942 15,940 50,943 15,944 6,944 15,943 6,1329 50,1329 100,1329 6,941 6,942 6,944 100,940 100" OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "0018001AFF769298" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1790924569" OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property\0018001AFF769298 = 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 mousocoreworker.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\Immersive\production\Property mousocoreworker.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3652 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2520 MasonRootkit.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2040 wmiprvse.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe 2180 dllhost.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3388 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 816 MasonClient.exe Token: SeDebugPrivilege 2320 MasonMasonClient.exe Token: SeDebugPrivilege 2520 MasonRootkit.exe Token: SeDebugPrivilege 2520 MasonRootkit.exe Token: SeDebugPrivilege 2180 dllhost.exe Token: SeDebugPrivilege 4240 MasonMasonClient.exe Token: SeAssignPrimaryTokenPrivilege 2464 svchost.exe Token: SeIncreaseQuotaPrivilege 2464 svchost.exe Token: SeSecurityPrivilege 2464 svchost.exe Token: SeTakeOwnershipPrivilege 2464 svchost.exe Token: SeLoadDriverPrivilege 2464 svchost.exe Token: SeSystemtimePrivilege 2464 svchost.exe Token: SeBackupPrivilege 2464 svchost.exe Token: SeRestorePrivilege 2464 svchost.exe Token: SeShutdownPrivilege 2464 svchost.exe Token: SeSystemEnvironmentPrivilege 2464 svchost.exe Token: SeUndockPrivilege 2464 svchost.exe Token: SeManageVolumePrivilege 2464 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2464 svchost.exe Token: SeIncreaseQuotaPrivilege 2464 svchost.exe Token: SeSecurityPrivilege 2464 svchost.exe Token: SeTakeOwnershipPrivilege 2464 svchost.exe Token: SeLoadDriverPrivilege 2464 svchost.exe Token: SeSystemtimePrivilege 2464 svchost.exe Token: SeBackupPrivilege 2464 svchost.exe Token: SeRestorePrivilege 2464 svchost.exe Token: SeShutdownPrivilege 2464 svchost.exe Token: SeSystemEnvironmentPrivilege 2464 svchost.exe Token: SeUndockPrivilege 2464 svchost.exe Token: SeManageVolumePrivilege 2464 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2464 svchost.exe Token: SeIncreaseQuotaPrivilege 2464 svchost.exe Token: SeSecurityPrivilege 2464 svchost.exe Token: SeTakeOwnershipPrivilege 2464 svchost.exe Token: SeLoadDriverPrivilege 2464 svchost.exe Token: SeSystemtimePrivilege 2464 svchost.exe Token: SeBackupPrivilege 2464 svchost.exe Token: SeRestorePrivilege 2464 svchost.exe Token: SeShutdownPrivilege 2464 svchost.exe Token: SeSystemEnvironmentPrivilege 2464 svchost.exe Token: SeUndockPrivilege 2464 svchost.exe Token: SeManageVolumePrivilege 2464 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2464 svchost.exe Token: SeIncreaseQuotaPrivilege 2464 svchost.exe Token: SeSecurityPrivilege 2464 svchost.exe Token: SeTakeOwnershipPrivilege 2464 svchost.exe Token: SeLoadDriverPrivilege 2464 svchost.exe Token: SeSystemtimePrivilege 2464 svchost.exe Token: SeBackupPrivilege 2464 svchost.exe Token: SeRestorePrivilege 2464 svchost.exe Token: SeShutdownPrivilege 2464 svchost.exe Token: SeSystemEnvironmentPrivilege 2464 svchost.exe Token: SeUndockPrivilege 2464 svchost.exe Token: SeManageVolumePrivilege 2464 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2464 svchost.exe Token: SeIncreaseQuotaPrivilege 2464 svchost.exe Token: SeSecurityPrivilege 2464 svchost.exe Token: SeTakeOwnershipPrivilege 2464 svchost.exe Token: SeLoadDriverPrivilege 2464 svchost.exe Token: SeSystemtimePrivilege 2464 svchost.exe Token: SeBackupPrivilege 2464 svchost.exe Token: SeRestorePrivilege 2464 svchost.exe Token: SeShutdownPrivilege 2464 svchost.exe Token: SeSystemEnvironmentPrivilege 2464 svchost.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3388 Explorer.EXE 3388 Explorer.EXE 3388 Explorer.EXE - Suspicious use of SendNotifyMessage 5 IoCs
pid Process 3388 Explorer.EXE 3388 Explorer.EXE 3388 Explorer.EXE 3388 Explorer.EXE 3388 Explorer.EXE - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 228 Conhost.exe - Suspicious use of UnmapMainImage 1 TTPs 1 IoCs
pid Process 4068 RuntimeBroker.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 816 wrote to memory of 1804 816 MasonClient.exe 83 PID 816 wrote to memory of 2320 816 MasonClient.exe 84 PID 1804 wrote to memory of 2520 1804 MasonKit.exe 85 PID 1804 wrote to memory of 780 1804 MasonKit.exe 86 PID 2320 wrote to memory of 3652 2320 MasonMasonClient.exe 87 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 2520 wrote to memory of 2180 2520 MasonRootkit.exe 90 PID 780 wrote to memory of 1356 780 cmd.exe 91 PID 2180 wrote to memory of 600 2180 dllhost.exe 5 PID 2180 wrote to memory of 676 2180 dllhost.exe 7 PID 2180 wrote to memory of 880 2180 dllhost.exe 11 PID 2180 wrote to memory of 1016 2180 dllhost.exe 13 PID 2180 wrote to memory of 456 2180 dllhost.exe 14 PID 2180 wrote to memory of 440 2180 dllhost.exe 15 PID 2180 wrote to memory of 696 2180 dllhost.exe 16 PID 2180 wrote to memory of 1056 2180 dllhost.exe 17 PID 2180 wrote to memory of 1076 2180 dllhost.exe 18 PID 2180 wrote to memory of 1116 2180 dllhost.exe 19 PID 2180 wrote to memory of 1208 2180 dllhost.exe 20 PID 2180 wrote to memory of 1240 2180 dllhost.exe 21 PID 2180 wrote to memory of 1380 2180 dllhost.exe 23 PID 2180 wrote to memory of 1404 2180 dllhost.exe 24 PID 2180 wrote to memory of 1416 2180 dllhost.exe 25 PID 2180 wrote to memory of 1448 2180 dllhost.exe 26 PID 2180 wrote to memory of 1536 2180 dllhost.exe 27 PID 2180 wrote to memory of 1656 2180 dllhost.exe 28 PID 2180 wrote to memory of 1672 2180 dllhost.exe 29 PID 2180 wrote to memory of 1700 2180 dllhost.exe 30 PID 2180 wrote to memory of 1736 2180 dllhost.exe 31 PID 2180 wrote to memory of 1756 2180 dllhost.exe 32 PID 2180 wrote to memory of 1932 2180 dllhost.exe 33 PID 2180 wrote to memory of 1992 2180 dllhost.exe 34 PID 2180 wrote to memory of 1072 2180 dllhost.exe 35 PID 2180 wrote to memory of 1228 2180 dllhost.exe 36 PID 2180 wrote to memory of 1256 2180 dllhost.exe 37 PID 2180 wrote to memory of 1348 2180 dllhost.exe 38 PID 2180 wrote to memory of 2076 2180 dllhost.exe 39 PID 2180 wrote to memory of 2172 2180 dllhost.exe 40 PID 2180 wrote to memory of 2324 2180 dllhost.exe 42 PID 2180 wrote to memory of 2464 2180 dllhost.exe 43 PID 2180 wrote to memory of 2532 2180 dllhost.exe 44 PID 2180 wrote to memory of 2648 2180 dllhost.exe 45 PID 2180 wrote to memory of 2656 2180 dllhost.exe 46 PID 2180 wrote to memory of 2676 2180 dllhost.exe 47 PID 2180 wrote to memory of 2736 2180 dllhost.exe 48 PID 2180 wrote to memory of 2744 2180 dllhost.exe 49 PID 2180 wrote to memory of 2752 2180 dllhost.exe 50 PID 2180 wrote to memory of 2672 2180 dllhost.exe 52 PID 2180 wrote to memory of 2700 2180 dllhost.exe 53 PID 2180 wrote to memory of 3076 2180 dllhost.exe 54 PID 2180 wrote to memory of 3144 2180 dllhost.exe 55 PID 2180 wrote to memory of 3288 2180 dllhost.exe 56 PID 2180 wrote to memory of 3388 2180 dllhost.exe 57 PID 2180 wrote to memory of 3508 2180 dllhost.exe 58 PID 2180 wrote to memory of 3788 2180 dllhost.exe 60 PID 2180 wrote to memory of 4068 2180 dllhost.exe 62 PID 2180 wrote to memory of 2540 2180 dllhost.exe 63 - 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.
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:600
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1116
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{f84bef80-3b0d-4e86-9404-9b0e126bdb1b}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:676
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C:\Windows\System32\WUDFHost.exe"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-c255110d-43e3-48b5-9620-6d7499eb1856 -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-a744ad40-d2fb-4750-9838-eabe7e578559 -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-1a21e101-1ce5-4615-b5b6-a72d32d247a0 -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-4cb228e9-d97c-4845-ac16-8de12c865b3a -LifetimeId:47a68d56-7dc4-444d-a082-e29a28c0b712 -DeviceGroupId:WudfDefaultDevicePool -HostArg:01⤵PID:880
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:1016
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:456
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:440
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:696
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService1⤵PID:1056
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1076
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1208
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:1240
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1380
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1404
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1416
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1448
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵
- Drops file in System32 directory
PID:1536 -
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3076
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C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"2⤵
- Executes dropped EXE
PID:2596
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C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"2⤵
- Loads dropped DLL
PID:872
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1656
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1672
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1700
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2672
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1736
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1756
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1932
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1992
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1072
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1228
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1348
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:2076
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2172
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2324
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2464
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2532
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2648
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵
- Modifies data under HKEY_USERS
PID:2656
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2676
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2736
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2744
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵
- Enumerates connected drives
PID:2752
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2700
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:3144
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3288
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3388 -
C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Users\Admin\AppData\Local\Temp\MasonKit.exe"C:\Users\Admin\AppData\Local\Temp\MasonKit.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe"C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe"4⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp90C2.tmp.bat""4⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:564
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C:\Windows\system32\timeout.exetimeout 35⤵
- Delays execution with timeout.exe
PID:1356
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C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "MasonMasonClient" /tr "C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe"4⤵
- Scheduled Task/Job: Scheduled Task
PID:3652
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3508
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3788
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
- Suspicious use of UnmapMainImage
PID:4068
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:2540
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4308
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4624
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:2864
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵PID:4832
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:1032
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:4960
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3236
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3584
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXk0k6mrh4r2q0ct33a9wgbez0x7v9cz5y.mca1⤵PID:4148
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:5080
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵PID:1960
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo1⤵PID:5104
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C:\Users\Admin\AppData\Roaming\MasonMasonClient.exeC:\Users\Admin\AppData\Roaming\MasonMasonClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4240
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2040
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 691ee8888302b7f2ea40334597ded093 PURcI5awHUeqbBBAaRP2Nw.0.1.0.0.01⤵
- Sets service image path in registry
- Modifies data under HKEY_USERS
PID:3284 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV12⤵PID:3540
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
PID:820
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}1⤵PID:3956
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C:\Windows\servicing\TrustedInstaller.exeC:\Windows\servicing\TrustedInstaller.exe1⤵PID:5064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc1⤵PID:4220
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C:\Windows\System32\mousocoreworker.exeC:\Windows\System32\mousocoreworker.exe -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies data under HKEY_USERS
PID:4196
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV11⤵
- Suspicious use of SetWindowsHookEx
PID:228
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C:\Windows\system32\UsoClient.exeC:\Windows\system32\usoclient.exe1⤵PID:3848
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Access Token Manipulation
1Parent PID Spoofing
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Process Injection
1Process Hollowing
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Access Token Manipulation
1Parent PID Spoofing
1Indicator Removal
1Clear Windows Event Logs
1Modify Registry
1Pre-OS Boot
1Bootkit
1Process Injection
1Process Hollowing
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\MasonMasonClient.exe.log
- Size 654B
- SHA256 d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63
- MD5 11c6e74f0561678d2cf7fc075a6cc00c
- SHA1 535ee79ba978554abcb98c566235805e7ea18490
- SHA512 32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0
- TLSH T136F0783432A2E1D5C9127F111C1D298452AF8386B6A0AF1C7A68935DD8261376F313F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MasonKit.exe
- Size 595KB
- SHA256 7596f8d9c6fca490a5d657b994c0399ce5197e41102c66fe296408f5b37bf3f1
- MD5 75c6f68abba95ddfd287f61b827e2711
- SHA1 5dbd72d6e361b6af2e89b2aa49d3b64bd81d71a1
- SHA512 103c3d754f26c059876a7c835b7bb69401d38a7b42cde7878a25cf5f127a77657b00d9d03d3eecbc08237c79d497785b69fd31560127dd37758dbe32d77b2e11
- SSDEEP 12288:fWVkPQzRl9YrTK0zqIDlEUHlJd8+zvw5pMN7H1xpxnlRGakrE9d0D:eVOQj+dWID+yG+zIzy7VxflRGa+Ci
- TLSH T1E7D423BC22F8F19DD54DC9393BF7025A4221F52F5810A36227A459CD2EF382D8D8DE65
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MasonRootkit.exe
- Size 592KB
- SHA256 8de8fd340cd8057899781e8796f36543092cdfa9028958102bd5fec9f2070447
- MD5 ae78843b23f7a1c65f6b9a5a031f1950
- SHA1 a12aad340d3eafb919d6cf38fad402f29b570ed0
- SHA512 648e6f7eeadf9d1ab2ba36311259a20f5b55c16a04a271fe7e7f3ee166e626aea6c6d97e9e5b4f8c9d1d997ab1444bcd1ff5dfa61bd9f1b988c58e30d40dc3b5
- SSDEEP 12288:jK6oSHxX1Yrpx/bdEU5lRM+QAYw5p2r7H1xMolRUQErVD7ATfuXLF4:jzoyWr/b2+DM+QA5zM7VxjlRUQeVDUr8
- TLSH T175D423691391F0AFE1D9953F3667030689305628AE83EBFA13ED48A67FF74D7094C684
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp90C2.tmp.bat
- Size 160B
- SHA256 48a082b6c924c98e116e4059b7a5811df1112483404ab4653c4ab585c0f8cfca
- MD5 aecc3c7bb65515918f0988124037d4f3
- SHA1 a97041314a190745ca6b1ed0ded29ac36758bef4
- SHA512 a183f4a633def96bd6a3582585aa4233eadbab9f2315d872b5dee2bba819fbb05ecd800dda0dd48291c0415aee99d04d6adfa8d27b55c1208b622c2849d36dd2
- TLSH T14FC08C8014CAFB0A2A4E241B15B6C08EC1B65C0A2E416B50939980082A818ACF4B5309
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\MasonMasonClient.exe
- Size 1.6MB
- SHA256 8f3f93c5f53d1b36e8dbc5ad0123f5b89776a79af2cd676fb1595e39187a6e25
- MD5 a8f1eb5a14d9052fd29d5e1913dd7896
- SHA1 6254da8932fe030847e365cdc8a8fe9d9dddbf53
- SHA512 2df036b4dba1533b6c4f6cd0b1e3bb622f3e1ae453761a602e3a7c194c2e06aa8478ecf0d572a74b0ad1e740fba5d91e34b14fe55aea8e9abfd9fcf8656701dc
- SSDEEP 24576:58/ORRWXhfMV3X2Ua4rUHRc+gZixDBNDUCN3Nszfdlu/WcMuaTgL:S/WWXhK3/UHljtBNDUCN3NwGdMuaTs
- TLSH T197853344376FE4DDD4F8D871B7EF402579E39258F09956EB420C06AABF26943A3342AC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work
- Size 3KB
- SHA256 a85d67cd186350c7525b21c4b724919a4af462cf36effda96f3a625fe60ea0c8
- MD5 3088f89b8a8d3e5aa193febda92c6da8
- SHA1 fc313b3787ccc8b3ddd9541398ffe29f801a9459
- SHA512 e241364d498bdc20cfa6169e9d2a7a9c94f13c0880efe91cbe4ea25dd43332741658df30a058c1918d19c03a0124b35fedc5961de63e975eefb5619e772a2abc
- TLSH T1E151375367EE1108F2F36B2CAEB710218E677D465D39D46D00AC240DCAF7E6289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan
- Size 3KB
- SHA256 c6082edfbb0c457cacb9b1066606ee5a444333b10b44bff8b90649357e0c23d4
- MD5 35ce51952536d22276dbaa517a6d2fe0
- SHA1 5f9d2bf0c68f1b9b9bd01b371a9d85d0bd5728ca
- SHA512 2211ae87313ecc20197f95b62d45f56d23ef3e332bcf9b8b86d055855e3a3a653cf1792dc1d0fb5e518a7b4131880d6afd199c4f1f1eee4e6eab7584bece7bd5
- TLSH T12081374367EE1109F2F36B5CAEB710628E677D465938C46D00AC240DCBF3E2289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work
- Size 3KB
- SHA256 4b64dd32762d105d1390c4e5dcb768c496efdc43996893585831a52acbcfbb62
- MD5 aa33a1f5f1425cdbf12256cfc3c7fb06
- SHA1 34657322775dc487243ce22a542bda0fcff86407
- SHA512 c06b873e7b5f8eb8c89bf6130eb033ff4d55ca527b50572b273b7a44757c49a1bfcda2c15057022690341be7585267a824e3d73295ec69c659abcbb56d461eae
- TLSH T13451595367EE1108F2F36A2CAEB710618E677D465D39C46D00AC240DCBF7E6289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work
- Size 2KB
- SHA256 796972a6c096ea9db3c7d86bb2014ddd2989b2309130d28a1f39d3f3d16243f2
- MD5 33974aa92d7359c05ead50a5a21ddd56
- SHA1 26aeac11deca885e2c23ae6a253c31165d0c60f1
- SHA512 aee49a1b725ed726e729ab43e41ddd9167f5197cbb6c694a9fbb7af33fea01fb2eeda0be1f5104f1f713206b42ab48e35e972d6043d91d650f15c6db62e92550
- TLSH T1BC51585367EE1108F2F35A2CAEB720218EA77D465D39C46D00AC240DCBF7E2289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work
- Size 2KB
- SHA256 7df73f71214cdd2f2d477d6c2c65f6e4c2f5955fc669cde9c583b0ff9553ecdc
- MD5 4ac1741ceb19f5a983079b2c5f344f5d
- SHA1 f1ebd93fbade2e035cd59e970787b8042cdd0f3b
- SHA512 583706069a7c0b22926fa22fc7bedcca9d6750d1542a1125b688fbb0595baf6cefc76e7b6e49c1415c782a21d0dd504c78fa36efad5f29f2fd5d69cc45ad8dcd
- TLSH T18451585367EE1108F2F35A2CAEB720218EA77D465D39C46D00AC240DCBF7E2289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work
- Size 2KB
- SHA256 8ad3d28aeff847bc5fb8035cbc7c71e88a4ee547821a8e1a3ea6661ee6014b21
- MD5 a9124c4c97cba8a07a8204fac1696c8e
- SHA1 1f27d80280e03762c7b16781608786f5a98ff434
- SHA512 537caaa75ac1e257c6b247f9680c3b9e79156ea1bcb3f1326e969a774db33b3c906800813ca6f79369c799a62f4260c91c6dd9a6cace3af25b7dbea5a73e0392
- TLSH T1BB51585367EE1108F2F35A2CAEB720218EA77D465D39C46D00AC240DCBF7E2289617B7
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419
- Size 412B
- SHA256 9c4a9cfaf820bc684dedf558663628cb67dbe4277d7283c9624473b0ac38390b
- MD5 c99500dc3eca3a0850a437d1bd2c8f01
- SHA1 8e9d5cf4d11782054c0867179b59f7c1fcc6968d
- SHA512 4677ddc0cd4a2a4a1a830d5f56e434c9195925177795bf486600aa7a9de2a87380606751439db8aedede56149be18687efc84c7483b507e0601b9b576bdb060d
- TLSH T1B8E0C01C11FF415CF5E4C07C8BD56C31469DF0610418B3B92BE027106713900FC02934
- MD5 SHA1 SHA512 TLSH