glupteba | 22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 17:23

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General

Target

22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Size

8.9MB
MD5

5bfd9f368a71aae200d7f8dc950c562c
SHA1

1d122608ef3bf20cd04df6d52ebb6d79b9bad693
SHA256

22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db
SHA512

5a589983adc1a6cf7ed9a7abb3e2dcffc42e9f2ca76b762d75f85ccc418d0b2de9d4e15c5393deb0fc1b95573c246f4556aec3c98bd831d21394efb1f09a8ae8
SSDEEP

98304:gHxMZDJ1TRpxYVX9u2IazANfLhZytTD5iqa:GxEvYjVzANDhwN

Score

10^/10

glupteba aspackv2 discovery dropper evasion execution loader persistence privilege_escalation rootkit

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 7 IoCs

resource	yara_rule
behavioral2/memory/2768-3-0x0000000000ED0000-0x00000000017F1000-memory.dmp	family_glupteba
behavioral2/memory/2768-105-0x0000000000ED0000-0x00000000017F1000-memory.dmp	family_glupteba
behavioral2/memory/1824-101-0x0000000000ED0000-0x00000000017F1000-memory.dmp	family_glupteba
behavioral2/files/0x00090000000234ee-185.dat	family_glupteba
behavioral2/memory/1824-189-0x0000000000ED0000-0x00000000017F1000-memory.dmp	family_glupteba
behavioral2/memory/1988-191-0x0000000000360000-0x0000000000C81000-memory.dmp	family_glupteba
behavioral2/memory/1988-279-0x0000000000360000-0x0000000000C81000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3612	netsh.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023482-2.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	himQhJ.exe

Executes dropped EXE 5 IoCs

pid	Process
4600	himQhJ.exe
5104	himQhJ.exe
1988	csrss.exe
4224	himQhJ.exe
3608	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	himQhJ.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	himQhJ.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{7FE75A3C-1671-4F2D-BB09-D1F7E053C0C9}\chrome_installer.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	himQhJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\chrmstp.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	himQhJ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	himQhJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	himQhJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	himQhJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	himQhJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	himQhJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	himQhJ.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
File created	C:\Windows\rss\csrss.exe	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1256	powershell.exe
5052	powershell.exe
2632	powershell.exe
3192	powershell.exe
4980	powershell.exe
4420	powershell.exe
3052	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 16 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	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	himQhJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	himQhJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	himQhJ.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	himQhJ.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3860	schtasks.exe
4024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4420	powershell.exe
4420	powershell.exe
2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
3052	powershell.exe
3052	powershell.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
1256	powershell.exe
1256	powershell.exe
1256	powershell.exe
5052	powershell.exe
5052	powershell.exe
2632	powershell.exe
2632	powershell.exe
3192	powershell.exe
3192	powershell.exe
4980	powershell.exe
4980	powershell.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
1988	csrss.exe
1988	csrss.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
1988	csrss.exe
1988	csrss.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe
3608	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4420	powershell.exe
Token: SeDebugPrivilege	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Token: SeImpersonatePrivilege	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
Token: SeDebugPrivilege	3052	powershell.exe
Token: SeDebugPrivilege	1256	powershell.exe
Token: SeDebugPrivilege	5052	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	3192	powershell.exe
Token: SeDebugPrivilege	4980	powershell.exe
Token: SeSystemEnvironmentPrivilege	1988	csrss.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 4600	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	84
PID 2768 wrote to memory of 4600	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	84
PID 2768 wrote to memory of 4600	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	84
PID 2768 wrote to memory of 4420	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	86
PID 2768 wrote to memory of 4420	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	86
PID 2768 wrote to memory of 4420	2768	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	86
PID 4600 wrote to memory of 1896	4600	himQhJ.exe	91
PID 4600 wrote to memory of 1896	4600	himQhJ.exe	91
PID 4600 wrote to memory of 1896	4600	himQhJ.exe	91
PID 1824 wrote to memory of 5104	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	98
PID 1824 wrote to memory of 5104	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	98
PID 1824 wrote to memory of 5104	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	98
PID 5104 wrote to memory of 1968	5104	himQhJ.exe	100
PID 5104 wrote to memory of 1968	5104	himQhJ.exe	100
PID 5104 wrote to memory of 1968	5104	himQhJ.exe	100
PID 1824 wrote to memory of 3052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	102
PID 1824 wrote to memory of 3052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	102
PID 1824 wrote to memory of 3052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	102
PID 1824 wrote to memory of 4680	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	106
PID 1824 wrote to memory of 4680	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	106
PID 4680 wrote to memory of 3612	4680	cmd.exe	108
PID 4680 wrote to memory of 3612	4680	cmd.exe	108
PID 1824 wrote to memory of 1256	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	109
PID 1824 wrote to memory of 1256	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	109
PID 1824 wrote to memory of 1256	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	109
PID 1824 wrote to memory of 5052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	111
PID 1824 wrote to memory of 5052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	111
PID 1824 wrote to memory of 5052	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	111
PID 1824 wrote to memory of 1988	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	113
PID 1824 wrote to memory of 1988	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	113
PID 1824 wrote to memory of 1988	1824	22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe	113
PID 1988 wrote to memory of 4224	1988	csrss.exe	114
PID 1988 wrote to memory of 4224	1988	csrss.exe	114
PID 1988 wrote to memory of 4224	1988	csrss.exe	114
PID 4224 wrote to memory of 3432	4224	himQhJ.exe	115
PID 4224 wrote to memory of 3432	4224	himQhJ.exe	115
PID 4224 wrote to memory of 3432	4224	himQhJ.exe	115
PID 1988 wrote to memory of 2632	1988	csrss.exe	117
PID 1988 wrote to memory of 2632	1988	csrss.exe	117
PID 1988 wrote to memory of 2632	1988	csrss.exe	117
PID 1988 wrote to memory of 3192	1988	csrss.exe	123
PID 1988 wrote to memory of 3192	1988	csrss.exe	123
PID 1988 wrote to memory of 3192	1988	csrss.exe	123
PID 1988 wrote to memory of 4980	1988	csrss.exe	125
PID 1988 wrote to memory of 4980	1988	csrss.exe	125
PID 1988 wrote to memory of 4980	1988	csrss.exe	125
PID 1988 wrote to memory of 3608	1988	csrss.exe	128
PID 1988 wrote to memory of 3608	1988	csrss.exe	128

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
"C:\Users\Admin\AppData\Local\Temp\22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Users\Admin\AppData\Local\Temp\himQhJ.exe
  C:\Users\Admin\AppData\Local\Temp\himQhJ.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\47d05ea1.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1896
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4420
- C:\Users\Admin\AppData\Local\Temp\22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe
  "C:\Users\Admin\AppData\Local\Temp\22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\TEMP\himQhJ.exe
    C:\Windows\TEMP\himQhJ.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:5104
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\2f28354c.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      PID:1968
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3052
- - C:\Windows\system32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4680
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:3612
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1256
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5052
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1988
  - - C:\Windows\TEMP\himQhJ.exe
      C:\Windows\TEMP\himQhJ.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4224
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\7ddc3d1a.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3432
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2632
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3860
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2808
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3192
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4980
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3608
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AF6HG05X\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3C1915FD.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\47d05ea1.bat

Filesize
187B

MD5
fefb44697523975e6583c499bf8e7998

SHA1
ed4940510643d9eeb7458438af8bbd933f16eb96

SHA256
071aaa810c99eda0773114c99a22ac765858f499424f2e8880151649aefeeb89

SHA512
44d323ad28424b9b1f3a781fdcb7562deba7abdad158d2cd2d2b12b0f73fcfad42c30d1ac8299fb4891c8c2d18823594fbc8db88e795e4d2cbeec4e9eb29e9a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_osnnkelv.5db.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\himQhJ.exe

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
2b9737ab57fc2a43a1c100f31869f2c4

SHA1
e20e2970f58130afe785945030f35902ab87f4ff

SHA256
f94cae53a12b7f7cf6825fd77aa4edc2166ea9773a4338b0d10c72b820e916c8

SHA512
941793619e36241c14a7eda73f3c699856afe9f0d2a5a0a9c0b749a8b7d046f7b6bda2c4396fd490b3dd7407886f638d7ff2c7be3ccbf3622803f42749f6471d

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
ca1bf8b7920774d78fc2b3ced8b73c56

SHA1
78634d158f7f44e000869c6fca0c5a855209f012

SHA256
720c4be86ac7139f03fd10cc36f1d2b67ad707d60b43c331b1603a004bae67e2

SHA512
d325d2de6b7a86146e410136551f60450592a2875e2737255f9a7378c7abbdd1b74f9659455ccc119786f36d1da7ec9ea967c789ab52fea14e72fbac42ad2068

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
0febf13e7e819ff0f96bc64a75566fb7

SHA1
84f952fad7ec24e3f91385c3e647a7943a88d3a4

SHA256
31d3689320b7f3cfe4484c1059b055da40d01c46d18baf09c693d60aeae3f31d

SHA512
922d86f796185d32a348daeaed77331d28939b13cfb9624b512f0d6eaad8765d017c3bb3b9663bbc7c9fe141ac5ba9cd593ec03bb62cb8ea583429f62bf919fc

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
2a952c1f060e4bfc31102fcfbaa14ead

SHA1
5c8dcd86c4f65cdcae4f79bec1b3faada82bdb0b

SHA256
8b173c96458ccd8f00c1ee761bc1db565a5cbe12fc738cb1da708682e3c0ac4f

SHA512
a557ccca9e998043c60acad052f728ceb32e7e463b4c88ce0b34ed6ea64280ae5660778253db0f5fe87eae1296327d22aeff707f5543534986804d9f239c8e67

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
bae7bdca211fd59001dd83a75cfc4d58

SHA1
ad60c5195caabe938a8d259075e5d39b29db9429

SHA256
2a219224ccdeb3418a35a44ca06d78d7fd5e01c2837c4e811f17c884cda60869

SHA512
e51f666b52a36685d311d58df8b97a2485403798888bf7658cf443a2f5293c696fa3173435911d2a20ceef828ac3935ed911739bfad36cbec81d70426178eba2

Download Submit
C:\Windows\TEMP\2f28354c.bat

Filesize
133B

MD5
7c6906fff1175694108d095a82984dfb

SHA1
198259158385f33a842b36e83dbbe58da45f3661

SHA256
f2e8671165d556187f9c6acc84358ccf20c43c38348069801b388579b92b3e8f

SHA512
75bf48481d18e2fde680fab65ae50cfca1fc3b8b9040dce2a6e00d2851785ae849ca3cdf4cc010181ecd4b2d5e24e1c314b833519fca97d473c30e050f9d9339

Download Submit
C:\Windows\TEMP\7ddc3d1a.bat

Filesize
133B

MD5
632874d38e51b6cf949fdad2ae95829d

SHA1
12f09b8bcda3173bbc467a4be8dcd7db3f3996ab

SHA256
ea17acce90130d4a17821380709b631673bf57e2c7ee74cf68f49b1d78554c0d

SHA512
eab5b8dc94b038e449439a665c0438366e7882ae9f4c0055465eec9f12908d5c639a349f980417a5c5bf75377df0b9f56863690519c8e106886ae42b1886c150

Download Submit
C:\Windows\rss\csrss.exe

Filesize
8.9MB

MD5
5bfd9f368a71aae200d7f8dc950c562c

SHA1
1d122608ef3bf20cd04df6d52ebb6d79b9bad693

SHA256
22e20fbd8e95ac7b3a77b815e1a438e545354adb5a1bd5a90220a9c17b4008db

SHA512
5a589983adc1a6cf7ed9a7abb3e2dcffc42e9f2ca76b762d75f85ccc418d0b2de9d4e15c5393deb0fc1b95573c246f4556aec3c98bd831d21394efb1f09a8ae8

Download Submit
memory/1256-149-0x0000000074070000-0x00000000740BC000-memory.dmp

Filesize
304KB

Download
memory/1256-150-0x0000000070680000-0x00000000709D4000-memory.dmp

Filesize
3.3MB

Download
memory/1824-101-0x0000000000ED0000-0x00000000017F1000-memory.dmp

Filesize
9.1MB

Download
memory/1824-189-0x0000000000ED0000-0x00000000017F1000-memory.dmp

Filesize
9.1MB

Download
memory/1988-279-0x0000000000360000-0x0000000000C81000-memory.dmp

Filesize
9.1MB

Download
memory/1988-191-0x0000000000360000-0x0000000000C81000-memory.dmp

Filesize
9.1MB

Download
memory/2632-223-0x0000000005A70000-0x0000000005A84000-memory.dmp

Filesize
80KB

Download
memory/2632-222-0x00000000071E0000-0x00000000071F1000-memory.dmp

Filesize
68KB

Download
memory/2632-221-0x0000000006F20000-0x0000000006FC3000-memory.dmp

Filesize
652KB

Download
memory/2632-211-0x0000000070450000-0x00000000707A4000-memory.dmp

Filesize
3.3MB

Download
memory/2632-210-0x00000000742B0000-0x00000000742FC000-memory.dmp

Filesize
304KB

Download
memory/2632-209-0x00000000061E0000-0x000000000622C000-memory.dmp

Filesize
304KB

Download
memory/2632-207-0x0000000005580000-0x00000000058D4000-memory.dmp

Filesize
3.3MB

Download
memory/2768-105-0x0000000000ED0000-0x00000000017F1000-memory.dmp

Filesize
9.1MB

Download
memory/2768-3-0x0000000000ED0000-0x00000000017F1000-memory.dmp

Filesize
9.1MB

Download
memory/3052-135-0x0000000007C10000-0x0000000007C24000-memory.dmp

Filesize
80KB

Download
memory/3052-134-0x0000000007BC0000-0x0000000007BD1000-memory.dmp

Filesize
68KB

Download
memory/3052-121-0x0000000006810000-0x000000000685C000-memory.dmp

Filesize
304KB

Download
memory/3052-122-0x0000000074070000-0x00000000740BC000-memory.dmp

Filesize
304KB

Download
memory/3052-120-0x00000000060B0000-0x0000000006404000-memory.dmp

Filesize
3.3MB

Download
memory/3052-123-0x0000000070680000-0x00000000709D4000-memory.dmp

Filesize
3.3MB

Download
memory/3052-133-0x0000000007890000-0x0000000007933000-memory.dmp

Filesize
652KB

Download
memory/3192-247-0x0000000006E00000-0x0000000006EA3000-memory.dmp

Filesize
652KB

Download
memory/3192-235-0x0000000005C10000-0x0000000005C5C000-memory.dmp

Filesize
304KB

Download
memory/3192-236-0x0000000074030000-0x000000007407C000-memory.dmp

Filesize
304KB

Download
memory/3192-237-0x0000000070450000-0x00000000707A4000-memory.dmp

Filesize
3.3MB

Download
memory/3192-248-0x00000000071C0000-0x00000000071D1000-memory.dmp

Filesize
68KB

Download
memory/3192-249-0x00000000059D0000-0x00000000059E4000-memory.dmp

Filesize
80KB

Download
memory/4224-193-0x00000000002D0000-0x00000000002D9000-memory.dmp

Filesize
36KB

Download
memory/4420-21-0x000000007312E000-0x000000007312F000-memory.dmp

Filesize
4KB

Download
memory/4420-73-0x000000006FC10000-0x000000006FF64000-memory.dmp

Filesize
3.3MB

Download
memory/4420-57-0x0000000007CA0000-0x000000000831A000-memory.dmp

Filesize
6.5MB

Download
memory/4420-40-0x0000000006240000-0x000000000628C000-memory.dmp

Filesize
304KB

Download
memory/4420-88-0x00000000079B0000-0x0000000007A46000-memory.dmp

Filesize
600KB

Download
memory/4420-58-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/4420-49-0x00000000075A0000-0x0000000007616000-memory.dmp

Filesize
472KB

Download
memory/4420-38-0x0000000005C30000-0x0000000005F84000-memory.dmp

Filesize
3.3MB

Download
memory/4420-27-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-28-0x0000000005BC0000-0x0000000005C26000-memory.dmp

Filesize
408KB

Download
memory/4420-26-0x0000000005B50000-0x0000000005BB6000-memory.dmp

Filesize
408KB

Download
memory/4420-25-0x0000000005A80000-0x0000000005AA2000-memory.dmp

Filesize
136KB

Download
memory/4420-41-0x0000000006770000-0x00000000067B4000-memory.dmp

Filesize
272KB

Download
memory/4420-91-0x0000000007910000-0x0000000007921000-memory.dmp

Filesize
68KB

Download
memory/4420-23-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/4420-87-0x00000000078F0000-0x00000000078FA000-memory.dmp

Filesize
40KB

Download
memory/4420-98-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-69-0x00000000077A0000-0x00000000077D2000-memory.dmp

Filesize
200KB

Download
memory/4420-24-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-39-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/4420-22-0x0000000004C60000-0x0000000004C96000-memory.dmp

Filesize
216KB

Download
memory/4420-85-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-86-0x0000000007800000-0x00000000078A3000-memory.dmp

Filesize
652KB

Download
memory/4420-83-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-84-0x00000000077E0000-0x00000000077FE000-memory.dmp

Filesize
120KB

Download
memory/4420-92-0x0000000007950000-0x000000000795E000-memory.dmp

Filesize
56KB

Download
memory/4420-70-0x000000006FAB0000-0x000000006FAFC000-memory.dmp

Filesize
304KB

Download
memory/4420-89-0x0000000073120000-0x00000000738D0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-95-0x00000000079A0000-0x00000000079A8000-memory.dmp

Filesize
32KB

Download
memory/4420-94-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/4420-93-0x0000000007960000-0x0000000007974000-memory.dmp

Filesize
80KB

Download
memory/4600-72-0x0000000000F50000-0x0000000000F59000-memory.dmp

Filesize
36KB

Download
memory/4600-4-0x0000000000F50000-0x0000000000F59000-memory.dmp

Filesize
36KB

Download
memory/4980-260-0x0000000006270000-0x00000000065C4000-memory.dmp

Filesize
3.3MB

Download
memory/4980-262-0x0000000074030000-0x000000007407C000-memory.dmp

Filesize
304KB

Download
memory/4980-263-0x0000000070070000-0x00000000703C4000-memory.dmp

Filesize
3.3MB

Download
memory/5052-172-0x0000000070680000-0x00000000709D4000-memory.dmp

Filesize
3.3MB

Download
memory/5052-171-0x0000000074070000-0x00000000740BC000-memory.dmp

Filesize
304KB

Download
memory/5104-104-0x0000000000810000-0x0000000000819000-memory.dmp

Filesize
36KB

Download
memory/5104-109-0x0000000000810000-0x0000000000819000-memory.dmp

Filesize
36KB

Download