gh0strat | ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72

Modify Registry

T1112

Processes:

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240681578.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Executes dropped EXE 6 IoCs

Processes:

svchost.exesvchos.exeTXPlatforn.exeHD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1344	svchost.exe
4576	svchos.exe
5024	TXPlatforn.exe
3360	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
3568	TXPlatforn.exe
740	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

4576 svchos.exe
3676 svchost.exe
740 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
4576	svchos.exe
3676	svchost.exe
740	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1344-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1344-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1344-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1344-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5024-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5024-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5024-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5024-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3568-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3568-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5024-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1344-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3568-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

description ioc process

File opened for modification \??\PhysicalDrive0 HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\240681578.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

pid process

3360 HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

pid	process
3360	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Drops file in Program Files directory 5 IoCs

Processes:

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

808 3360 WerFault.exe HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4616 PING.EXE

pid	pid_target	process	target process
808	3360	WerFault.exe	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

pid	process
4616	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exeHD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

pid	process
1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
3360	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
3360	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

3568 TXPlatforn.exe

pid	process
3568	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1344	svchost.exe
Token: SeLoadDriverPrivilege	3568	TXPlatforn.exe
Token: 33	3568	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3568	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

pid	process
1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 1448 wrote to memory of 1344	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchost.exe
PID 1448 wrote to memory of 1344	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchost.exe
PID 1448 wrote to memory of 1344	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchost.exe
PID 1448 wrote to memory of 4576	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchos.exe
PID 1448 wrote to memory of 4576	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchos.exe
PID 1448 wrote to memory of 4576	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	svchos.exe
PID 1448 wrote to memory of 3360	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
PID 1448 wrote to memory of 3360	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
PID 1448 wrote to memory of 3360	1448	ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe	HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
PID 1344 wrote to memory of 3972	1344	svchost.exe	cmd.exe
PID 1344 wrote to memory of 3972	1344	svchost.exe	cmd.exe
PID 1344 wrote to memory of 3972	1344	svchost.exe	cmd.exe
PID 5024 wrote to memory of 3568	5024	TXPlatforn.exe	TXPlatforn.exe
PID 5024 wrote to memory of 3568	5024	TXPlatforn.exe	TXPlatforn.exe
PID 5024 wrote to memory of 3568	5024	TXPlatforn.exe	TXPlatforn.exe
PID 3972 wrote to memory of 4616	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 4616	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 4616	3972	cmd.exe	PING.EXE
PID 3676 wrote to memory of 740	3676	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3676 wrote to memory of 740	3676	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 3676 wrote to memory of 740	3676	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
"C:\Users\Admin\AppData\Local\Temp\ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4616

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4576

C:\Users\Admin\AppData\Local\Temp\HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
C:\Users\Admin\AppData\Local\Temp\HD_ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72.exe
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3360 -s 1156
3⤵
- Program crash
PID:808

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5024

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:3568

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2608

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240681578.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:740

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3360 -ip 3360
1⤵
PID:2044

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

3

T1082

Remote System Discovery