Analysis
- user interaction
yes - max time kernel
150s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/11/2026, 02:25
Behavioral task
behavioral1
Sample
ret.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
ret.exe
Resource
win11ltsc2024-20260911-en
General
- Target ret.exe
- Size 258KB
- Sample261112-cwpcfazz4l
- SHA256 f8c4193b1cb25b74e1c5ab43baddb70c1c48a014e3cc0d211f0c7949fb4dd35c
- MD5 33914a12da1ef51bd213b2f7a68e6958
- SHA1 c3d01b941af6eea356d556ac945a97c40cea2630
- SHA512 0f43ea4cb59a439e41ad05c2fd812d9ff96c9694ebb14cd82dcdcdda01a815acfdff7c0ae41c89694b6cad35f8a961e3b76e2e18816c5a3f56221d0aa44f694b
- SSDEEP 6144:Ozjx/Vz9/5bTgVziHzZnSKrCbYMEOby8Qq:OzjhVh/5/gVziHlBrCbYx8t
- TLSH T11D443966F69000E6D4BE42358CA35B0267B6F4361721EBEF0B95585D3F637E08D29BA0
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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njrat
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<- NjRAT 0.7d Horror Edition ->
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Victim
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21.tcp.cpolar.top:11896
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1334382bc1c003793e1c7d50b799d8c5
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reg_key
1334382bc1c003793e1c7d50b799d8c5
-
splitter
Y262SUCZ4UJJ
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1256 5ji3h0xu.mse.exe 5392 er55dfxx.nnx.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-Storsvc%4Diagnostic.evtx svchost.exe - Drops file in System32 directory 16 IoCs
description ioc Process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt 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\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F svchost.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\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\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92 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\Masonret.exe 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\Content\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\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419 svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 svchost.exe - Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 ret.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 ret.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ret.exe - Modifies data under HKEY_USERS 56 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\Certificates svchost.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\Disallowed svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust 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\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CTLs svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1794450375" OfficeClickToRun.exe Key deleted \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\Policies\Microsoft\SystemCertificates\CA\Certificates 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\Microsoft\SystemCertificates\TrustedPeople\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe = "Wed, 11 Nov 2026 07:01:04 GMT" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0 OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.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\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\Certificates svchost.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\Root\Certificates svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "001840190734FC61" svchost.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\CA svchost.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\Microsoft\SystemCertificates\CA\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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={96B71400-871E-4827-918F-1BFAC989C5F3}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&" OfficeClickToRun.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "17110992,504928405,41816131,507286179,7202265,17110988,7153487,504928410,577889346,5804129,17962391,508368333,17962392,41484365,24262478,9179409,3462423,3702920,3700754,3965062,24262474,4297094,7153421,3462365,18716193,7153435,24262477,25036127,24262473,9179410,20502174,6308191,18407617,39125643,539756558,6104718,9179411,51475283,41185282,39389248,539756557,528570079,7202269" OfficeClickToRun.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\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\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry OfficeClickToRun.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 deleted \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\CTLs 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\Policies\Microsoft\SystemCertificates\Disallowed 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CTLs 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\CRLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates svchost.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\SmartCardRoot\CTLs svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople svchost.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust svchost.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4804 SCHTASKS.exe 1464 SCHTASKS.exe 5140 SCHTASKS.exe 4512 SCHTASKS.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 1256 5ji3h0xu.mse.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe 5392 er55dfxx.nnx.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5868 ret.exe Token: SeDebugPrivilege 1256 5ji3h0xu.mse.exe Token: SeShutdownPrivilege 2140 explorer.exe Token: SeCreatePagefilePrivilege 2140 explorer.exe Token: SeShutdownPrivilege 2140 explorer.exe Token: SeCreatePagefilePrivilege 2140 explorer.exe Token: SeDebugPrivilege 5392 er55dfxx.nnx.exe Token: SeDebugPrivilege 2900 ret.exe Token: SeShutdownPrivilege 2140 explorer.exe Token: SeCreatePagefilePrivilege 2140 explorer.exe Token: SeShutdownPrivilege 2140 explorer.exe Token: SeCreatePagefilePrivilege 2140 explorer.exe Token: SeShutdownPrivilege 2140 explorer.exe Token: SeCreatePagefilePrivilege 2140 explorer.exe Token: 33 5868 ret.exe Token: SeIncBasePriorityPrivilege 5868 ret.exe Token: SeAssignPrimaryTokenPrivilege 3660 svchost.exe Token: SeIncreaseQuotaPrivilege 3660 svchost.exe Token: SeSecurityPrivilege 3660 svchost.exe Token: SeTakeOwnershipPrivilege 3660 svchost.exe Token: SeLoadDriverPrivilege 3660 svchost.exe Token: SeSystemtimePrivilege 3660 svchost.exe Token: SeBackupPrivilege 3660 svchost.exe Token: SeRestorePrivilege 3660 svchost.exe Token: SeShutdownPrivilege 3660 svchost.exe Token: SeSystemEnvironmentPrivilege 3660 svchost.exe Token: SeUndockPrivilege 3660 svchost.exe Token: SeManageVolumePrivilege 3660 svchost.exe Token: SeAssignPrimaryTokenPrivilege 3660 svchost.exe Token: SeIncreaseQuotaPrivilege 3660 svchost.exe Token: SeSecurityPrivilege 3660 svchost.exe Token: SeTakeOwnershipPrivilege 3660 svchost.exe Token: SeLoadDriverPrivilege 3660 svchost.exe Token: SeSystemtimePrivilege 3660 svchost.exe Token: SeBackupPrivilege 3660 svchost.exe Token: SeRestorePrivilege 3660 svchost.exe Token: SeShutdownPrivilege 3660 svchost.exe Token: SeSystemEnvironmentPrivilege 3660 svchost.exe Token: SeUndockPrivilege 3660 svchost.exe Token: SeManageVolumePrivilege 3660 svchost.exe Token: SeAssignPrimaryTokenPrivilege 3660 svchost.exe Token: SeIncreaseQuotaPrivilege 3660 svchost.exe Token: SeSecurityPrivilege 3660 svchost.exe Token: SeTakeOwnershipPrivilege 3660 svchost.exe Token: SeLoadDriverPrivilege 3660 svchost.exe Token: SeSystemtimePrivilege 3660 svchost.exe Token: SeBackupPrivilege 3660 svchost.exe Token: SeRestorePrivilege 3660 svchost.exe Token: SeShutdownPrivilege 3660 svchost.exe Token: SeSystemEnvironmentPrivilege 3660 svchost.exe Token: SeUndockPrivilege 3660 svchost.exe Token: SeManageVolumePrivilege 3660 svchost.exe Token: SeAssignPrimaryTokenPrivilege 3660 svchost.exe Token: SeIncreaseQuotaPrivilege 3660 svchost.exe Token: SeSecurityPrivilege 3660 svchost.exe Token: SeTakeOwnershipPrivilege 3660 svchost.exe Token: SeLoadDriverPrivilege 3660 svchost.exe Token: SeSystemtimePrivilege 3660 svchost.exe Token: SeBackupPrivilege 3660 svchost.exe Token: SeRestorePrivilege 3660 svchost.exe Token: SeShutdownPrivilege 3660 svchost.exe Token: SeSystemEnvironmentPrivilege 3660 svchost.exe Token: SeUndockPrivilege 3660 svchost.exe Token: SeManageVolumePrivilege 3660 svchost.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4912 Conhost.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5868 wrote to memory of 1256 5868 ret.exe 88 PID 5868 wrote to memory of 4804 5868 ret.exe 89 PID 1256 wrote to memory of 744 1256 5ji3h0xu.mse.exe 5 PID 1256 wrote to memory of 952 1256 5ji3h0xu.mse.exe 9 PID 1256 wrote to memory of 960 1256 5ji3h0xu.mse.exe 10 PID 1256 wrote to memory of 972 1256 5ji3h0xu.mse.exe 11 PID 1256 wrote to memory of 1028 1256 5ji3h0xu.mse.exe 13 PID 1256 wrote to memory of 1088 1256 5ji3h0xu.mse.exe 14 PID 1256 wrote to memory of 1144 1256 5ji3h0xu.mse.exe 15 PID 1256 wrote to memory of 1208 1256 5ji3h0xu.mse.exe 16 PID 1256 wrote to memory of 1236 1256 5ji3h0xu.mse.exe 17 PID 1256 wrote to memory of 1288 1256 5ji3h0xu.mse.exe 18 PID 1256 wrote to memory of 1332 1256 5ji3h0xu.mse.exe 19 PID 1256 wrote to memory of 1516 1256 5ji3h0xu.mse.exe 22 PID 1256 wrote to memory of 1540 1256 5ji3h0xu.mse.exe 23 PID 1256 wrote to memory of 1592 1256 5ji3h0xu.mse.exe 24 PID 1256 wrote to memory of 1636 1256 5ji3h0xu.mse.exe 25 PID 1256 wrote to memory of 1820 1256 5ji3h0xu.mse.exe 26 PID 1256 wrote to memory of 1844 1256 5ji3h0xu.mse.exe 27 PID 1256 wrote to memory of 1892 1256 5ji3h0xu.mse.exe 28 PID 1256 wrote to memory of 1972 1256 5ji3h0xu.mse.exe 29 PID 1256 wrote to memory of 2012 1256 5ji3h0xu.mse.exe 30 PID 1256 wrote to memory of 2032 1256 5ji3h0xu.mse.exe 31 PID 1256 wrote to memory of 2100 1256 5ji3h0xu.mse.exe 32 PID 1256 wrote to memory of 2228 1256 5ji3h0xu.mse.exe 33 PID 1256 wrote to memory of 2256 1256 5ji3h0xu.mse.exe 34 PID 1256 wrote to memory of 2316 1256 5ji3h0xu.mse.exe 35 PID 1256 wrote to memory of 2400 1256 5ji3h0xu.mse.exe 36 PID 1256 wrote to memory of 2440 1256 5ji3h0xu.mse.exe 37 PID 1256 wrote to memory of 2524 1256 5ji3h0xu.mse.exe 38 PID 1256 wrote to memory of 2556 1256 5ji3h0xu.mse.exe 39 PID 1256 wrote to memory of 2588 1256 5ji3h0xu.mse.exe 40 PID 1256 wrote to memory of 2668 1256 5ji3h0xu.mse.exe 41 PID 1256 wrote to memory of 2944 1256 5ji3h0xu.mse.exe 42 PID 1256 wrote to memory of 3000 1256 5ji3h0xu.mse.exe 43 PID 1256 wrote to memory of 3028 1256 5ji3h0xu.mse.exe 44 PID 1256 wrote to memory of 1364 1256 5ji3h0xu.mse.exe 45 PID 1256 wrote to memory of 3128 1256 5ji3h0xu.mse.exe 46 PID 1256 wrote to memory of 3232 1256 5ji3h0xu.mse.exe 48 PID 1256 wrote to memory of 3432 1256 5ji3h0xu.mse.exe 50 PID 1256 wrote to memory of 3600 1256 5ji3h0xu.mse.exe 51 PID 1256 wrote to memory of 3632 1256 5ji3h0xu.mse.exe 52 PID 1256 wrote to memory of 3644 1256 5ji3h0xu.mse.exe 53 PID 1256 wrote to memory of 3660 1256 5ji3h0xu.mse.exe 54 PID 1256 wrote to memory of 3672 1256 5ji3h0xu.mse.exe 55 PID 1256 wrote to memory of 3684 1256 5ji3h0xu.mse.exe 56 PID 1256 wrote to memory of 4088 1256 5ji3h0xu.mse.exe 57 PID 1256 wrote to memory of 3156 1256 5ji3h0xu.mse.exe 58 PID 1256 wrote to memory of 4288 1256 5ji3h0xu.mse.exe 59 PID 1256 wrote to memory of 4384 1256 5ji3h0xu.mse.exe 60 PID 1256 wrote to memory of 4404 1256 5ji3h0xu.mse.exe 61 PID 1256 wrote to memory of 4576 1256 5ji3h0xu.mse.exe 62 PID 1256 wrote to memory of 4720 1256 5ji3h0xu.mse.exe 63 PID 1256 wrote to memory of 5104 1256 5ji3h0xu.mse.exe 64 PID 1256 wrote to memory of 5176 1256 5ji3h0xu.mse.exe 65 PID 1256 wrote to memory of 5316 1256 5ji3h0xu.mse.exe 66 PID 1256 wrote to memory of 5508 1256 5ji3h0xu.mse.exe 69 PID 1256 wrote to memory of 4208 1256 5ji3h0xu.mse.exe 71 PID 1256 wrote to memory of 3696 1256 5ji3h0xu.mse.exe 73 PID 1256 wrote to memory of 5064 1256 5ji3h0xu.mse.exe 74 PID 1256 wrote to memory of 6040 1256 5ji3h0xu.mse.exe 77 PID 1256 wrote to memory of 1152 1256 5ji3h0xu.mse.exe 78 PID 1256 wrote to memory of 4256 1256 5ji3h0xu.mse.exe 79 PID 1256 wrote to memory of 2140 1256 5ji3h0xu.mse.exe 80 - 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:744
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:960
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1144
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:952
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C:\Windows\System32\WUDFHost.exe"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-d9ac-4997-8c55-be817523f6aa} -IoEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-c38d6c03-f655-4d4c-a49b-54e4d53a38d4 -SystemEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-0c588d4e-7c7e-4594-a3d1-aef7cc6b4767 -IoCancelEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-99ddbe9b-3c1a-47e6-af8e-fe6974bab8a0 -NonStateChangingEventPortName:\UMDFCommunicationPorts\WUDF\HostProcess-90faced6-0e22-4318-a80f-b771b78949e0 -LifetimeId:915d2d36-38a6-443b-b0d7-cc472d5444a8 -DeviceGroupId:WudfDefaultDevicePool -HostArg:01⤵PID:972
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:1028
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1088
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:1208
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1236
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1288
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1332
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService1⤵PID:1516
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵
- Drops file in System32 directory
PID:1540
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1592
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UserProfileService -p -s ProfSvc1⤵PID:1636
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netprofm -p -s netprofm1⤵PID:1820
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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:1844
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1972
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:4256
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2140 -
C:\Users\Admin\AppData\Local\Temp\ret.exe"C:\Users\Admin\AppData\Local\Temp\ret.exe"4⤵
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5868 -
C:\Users\Admin\AppData\Local\Temp\5ji3h0xu.mse.exe"C:\Users\Admin\AppData\Local\Temp\5ji3h0xu.mse.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
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C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "Masonret.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\ret.exe'" /sc onlogon /rl HIGHEST5⤵
- Scheduled Task/Job: Scheduled Task
PID:4804 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV16⤵PID:4340
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C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "Masonret.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\ret.exe'" /sc onlogon /rl HIGHEST5⤵
- Scheduled Task/Job: Scheduled Task
PID:1464 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV16⤵PID:5560
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:2012
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:2032
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:2100
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:2228
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p1⤵PID:2256
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:2316
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:2400
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TextInputManagementService1⤵PID:2440
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C:\Windows\system32\ctfmon.exe/QuitInfo:000000000000026C;0000000000000270;2⤵PID:5104
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s DusmSvc1⤵PID:2524
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2556
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:2588
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵
- Modifies data under HKEY_USERS
PID:2668
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Wcmsvc1⤵PID:2944
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:3000
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:3028
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc1⤵PID:1364
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:3128
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:3232
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C:\Windows\System32\ShellHost.exe"C:\Windows\System32\ShellHost.exe"1⤵PID:3432
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:3600
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:3632
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:3644
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3660
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:3672
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:3684
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:4088
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo1⤵PID:3156
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4288
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc1⤵PID:4384
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4404
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc1⤵PID:4576
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:4720
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}1⤵PID:5176
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C:\Windows\System32\SecurityHealthSystray.exe"C:\Windows\System32\SecurityHealthSystray.exe"1⤵PID:5316
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k WebThreatDefense -p -s webthreatdefsvc1⤵PID:5508
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall1⤵PID:4208
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3696
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:5064
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:6040
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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:1152
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C:\Windows\System32\smartscreen.exeC:\Windows\System32\smartscreen.exe -Embedding1⤵PID:3056
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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:3544
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV11⤵
- Suspicious use of SetWindowsHookEx
PID:4912
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C:\Users\Admin\AppData\Local\Temp\ret.exe"C:\Users\Admin\AppData\Local\Temp\ret.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2900 -
C:\Users\Admin\AppData\Local\Temp\er55dfxx.nnx.exe"C:\Users\Admin\AppData\Local\Temp\er55dfxx.nnx.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5392
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C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "Masonret.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\ret.exe'" /sc onlogon /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
PID:5140 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵PID:1688
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C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "Masonret.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\ret.exe'" /sc onlogon /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
PID:4512 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵PID:4700
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵PID:3864
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\5ji3h0xu.mse.exe
- Size 161KB
- SHA256 879cc20b41635709bb304e315aaa5ca4708b480a1bfc2f4935fcf2215188efb0
- MD5 94f1ab3a068f83b32639579ec9c5d025
- SHA1 38f3d5bc5de46feb8de093d11329766b8e2054ae
- SHA512 44d5236a804d63302b21ca25ebc148a64605508d03c990a244c44ceb8630849da0510b7b2d0bee72e01ca6681e2d86d7e6aee8847674a26f0028d149b9abee0c
- SSDEEP 3072:hLD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQig8xN:h/5bTgVziHzZnSKrCbYM
- TLSH T10BF33C07BAA500F7E976823585739E17B7B2F42503209BBF0B654A6E0FA37906D3DB50
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
- Size 342B
- SHA256 9cffada15519c5421518469bd8c626850192d689c18bd3b75a9cee28a0c7d71a
- MD5 39b802aa06d36499bacbcbbafb55570d
- SHA1 71cc8b0a01550f8c01f223d115937bdc00406996
- SHA512 9ee9b3971c98127055e74f927dd807bb9c9eec2237b4a91d2df0acceda3223757ee494dfd4810118813da779fd625e286092c4e96a0de0f08250042400af9d32
- TLSH T1EAE0C2217BE40600F1332B3CBD72618A063BB627F901CA8E0B38008C6D39B34C83231E
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419
- Size 412B
- SHA256 cb9a352fd2fd7a39d1d29f0fc47b642a3e4ed11805f8bf69bd0d28c216d7276d
- MD5 4540d0d10b8d95f5b181e52e596613de
- SHA1 b0bcf38f99d45c3f6d58199d98c15987e29466f1
- SHA512 45b3a3fd380889ea28b4636da71e619268cb12a073ce989c59b30466a432ed29d0c37a4dad1bc260db1036406fc1fd30432b407fd8d2b6fdd6e3b9955a92df37
- TLSH T1E7E0C02451FF511CF4E4D03987D978220A99F0610409F3FD1AE15B04660B680EC02934
- MD5 SHA1 SHA512 TLSH