hxxps://gauravbuilders[.]com/AppInstaller[.]exe

Virtualization/Sandbox Evasion

Processes:

AppInstaller.exe

description	ioc	process
File opened (read-only)	C:\Windows\system32\vboxdisp.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxhook.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxmrxnp.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglcrutil.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglfeedbackspu.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxogl.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglarrayspu.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglerrorspu.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglpackspu.dll	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxoglpassthroughspu.dll	AppInstaller.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

AppInstaller.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ AppInstaller.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AppInstaller.exe

Looks for VirtualBox drivers on disk 2 TTPs 4 IoCs

evasion

File and Directory Discovery

Virtualization/Sandbox Evasion

Processes:

AppInstaller.exe

description	ioc	process
File opened (read-only)	C:\Windows\system32\drivers\VBoxGuest.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\VBoxSF.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\VBoxVideo.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\VBoxMouse.sys	AppInstaller.exe

Looks for VirtualBox executables on disk 2 TTPs 3 IoCs

File and Directory Discovery

Virtualization/Sandbox Evasion

Processes:

AppInstaller.exe

description	ioc	process
File opened (read-only)	C:\Windows\system32\vboxservice.exe	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\vboxtray.exe	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\VBoxControl.exe	AppInstaller.exe

Downloads MZ/PE file

Looks for VMWare drivers on disk 2 TTPs 5 IoCs

evasion

File and Directory Discovery

Virtualization/Sandbox Evasion

Processes:

AppInstaller.exe

description	ioc	process
File opened (read-only)	C:\Windows\system32\drivers\vmci.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\vmhgfs.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\vmmemctl.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\vmusbmouse.sys	AppInstaller.exe
File opened (read-only)	C:\Windows\system32\drivers\vmmouse.sys	AppInstaller.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

AppInstaller.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AppInstaller.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AppInstaller.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

AppInstaller.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	AppInstaller.exe

Executes dropped EXE 3 IoCs

Processes:

AppInstaller.exeAppInstaller.exe8x33wc0tuhdead.exe

pid process

1512 AppInstaller.exe
2692 AppInstaller.exe
6104 8x33wc0tuhdead.exe

pid	process
1512	AppInstaller.exe
2692	AppInstaller.exe
6104	8x33wc0tuhdead.exe

Loads dropped DLL 22 IoCs

Processes:

AppInstaller.exe

pid	process
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\_MEI15122\pytransform.pyd	themida
C:\Users\Admin\AppData\Local\Temp\_MEI15122\pytransform.pyd	themida
behavioral1/memory/2692-239-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-284-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-317-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-326-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-423-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-425-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-435-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/2692-438-0x000000006FAA0000-0x000000007067D000-memory.dmp	themida
behavioral1/memory/5188-487-0x000000006EEC0000-0x000000006FA9D000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chrome.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows\CurrentVersion\Run	chrome.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

AppInstaller.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA AppInstaller.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

AppInstaller.exe

pid process

2692 AppInstaller.exe
2692 AppInstaller.exe
2692 AppInstaller.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AppInstaller.exe

Detects Pyinstaller 4 IoCs

pyinstaller

Processes:

resource	yara_rule
C:\Users\Admin\Downloads\AppInstaller.exe	pyinstaller
C:\Users\Admin\Downloads\AppInstaller.exe	pyinstaller
C:\Users\Admin\Downloads\AppInstaller.exe	pyinstaller
C:\Users\Admin\Downloads\AppInstaller.exe	pyinstaller

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

chrome.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

Processes:

chrome.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133235618315430284"	chrome.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

chrome.exeAppInstaller.exe

pid	process
5008	chrome.exe
5008	chrome.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe
2692	AppInstaller.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

Processes:

chrome.exe

pid process

5008 chrome.exe
5008 chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

chrome.exeAppInstaller.exepowershell.exetaskmgr.exe

description	pid	process
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeDebugPrivilege	2692	AppInstaller.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeDebugPrivilege	544	powershell.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeShutdownPrivilege	5008	chrome.exe
Token: SeCreatePagefilePrivilege	5008	chrome.exe
Token: SeDebugPrivilege	5508	taskmgr.exe
Token: SeSystemProfilePrivilege	5508	taskmgr.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

chrome.exetaskmgr.exe

pid	process
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

chrome.exetaskmgr.exe

pid	process
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5008	chrome.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe
5508	taskmgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 5008 wrote to memory of 1292	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 1292	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 3876	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4292	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4292	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe
PID 5008 wrote to memory of 4968	5008	chrome.exe	chrome.exe

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://gauravbuilders.com/AppInstaller.exe
1⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5008

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff0f8d9758,0x7fff0f8d9768,0x7fff0f8d9778
2⤵
PID:1292

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1724 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:2
2⤵
PID:3876

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4292

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2244 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4968

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3064 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:1
2⤵
PID:424

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3044 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:1
2⤵
PID:2800

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4488

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5432 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:2956

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5456 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:956

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5444 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4444

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5344 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4984

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5180 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:2232

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5596 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:636

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5440 --field-trial-handle=1864,i,1459777630881301836,12003891949546893035,131072 /prefetch:8
2⤵
PID:4348

C:\Users\Admin\Downloads\AppInstaller.exe
"C:\Users\Admin\Downloads\AppInstaller.exe"
2⤵
- Executes dropped EXE
PID:1512

C:\Users\Admin\Downloads\AppInstaller.exe
"C:\Users\Admin\Downloads\AppInstaller.exe"
3⤵
- Enumerates VirtualBox DLL files
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox drivers on disk
- Looks for VirtualBox executables on disk
- Looks for VMWare drivers on disk
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -inputformat none -outputformat none -NonInteractive -ExecutionPolicy Bypass -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMgAwAA==
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:544

C:\Users\Admin\AppData\Local\Temp\8x33wc0tuhdead.exe
"C:\Users\Admin\AppData\Local\Temp\8x33wc0tuhdead.exe"
4⤵
- Executes dropped EXE
PID:6104

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -inputformat none -outputformat none -NonInteractive -ExecutionPolicy Bypass -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMgAwAA==
4⤵
PID:2116

C:\Users\Admin\AppData\Local\Temp\Dxprnyvb4ri.exe
"C:\Users\Admin\AppData\Local\Temp\Dxprnyvb4ri.exe"
4⤵
PID:1148

C:\Users\Admin\AppData\Local\Temp\Dxprnyvb4ri.exe
C:\Users\Admin\AppData\Local\Temp\Dxprnyvb4ri.exe
5⤵
PID:5184

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -inputformat none -outputformat none -NonInteractive -ExecutionPolicy Bypass -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMgAwAA==
4⤵
PID:3968

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:4948

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv EzhaX+Pt5EOvkttS87sfCg.0.2
1⤵
PID:4348

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5508

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4876

C:\Users\Admin\Downloads\AppInstaller.exe
"C:\Users\Admin\Downloads\AppInstaller.exe"
1⤵
PID:4992

C:\Users\Admin\Downloads\AppInstaller.exe
"C:\Users\Admin\Downloads\AppInstaller.exe"
2⤵
PID:5188

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -inputformat none -outputformat none -NonInteractive -ExecutionPolicy Bypass -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMgAwAA==
3⤵
PID:444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

File and Directory Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion