gh0strat | 9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b

Modify Registry

T1112

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

Checks computer location settings 2 TTPs 2 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 9 IoCs

pid	Process
4188	svchost.exe
4920	TXPlatforn.exe
4040	svchos.exe
2512	TXPlatforn.exe
3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
2888	._cache_HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
724	Synaptics.exe
3764	._cache_Synaptics.exe
2228	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4040	svchos.exe
812	svchost.exe
2228	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4188-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4188-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4920-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4920-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4920-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4920-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4920-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2512-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240612546.txt	svchos.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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 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	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4760	cmd.exe
4412	PING.EXE

Checks processor information in registry 2 TTPs 3 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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4412	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3124	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2512	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4188	svchost.exe
Token: SeLoadDriverPrivilege	2512	TXPlatforn.exe
Token: 33	2512	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2512	TXPlatforn.exe
Token: 33	2512	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2512	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 4188	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	85
PID 1912 wrote to memory of 4188	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	85
PID 1912 wrote to memory of 4188	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	85
PID 4188 wrote to memory of 4760	4188	svchost.exe	87
PID 4188 wrote to memory of 4760	4188	svchost.exe	87
PID 4188 wrote to memory of 4760	4188	svchost.exe	87
PID 1912 wrote to memory of 4040	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	88
PID 1912 wrote to memory of 4040	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	88
PID 1912 wrote to memory of 4040	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	88
PID 4920 wrote to memory of 2512	4920	TXPlatforn.exe	89
PID 4920 wrote to memory of 2512	4920	TXPlatforn.exe	89
PID 4920 wrote to memory of 2512	4920	TXPlatforn.exe	89
PID 1912 wrote to memory of 3748	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	94
PID 1912 wrote to memory of 3748	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	94
PID 1912 wrote to memory of 3748	1912	9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	94
PID 4760 wrote to memory of 4412	4760	cmd.exe	95
PID 4760 wrote to memory of 4412	4760	cmd.exe	95
PID 4760 wrote to memory of 4412	4760	cmd.exe	95
PID 3748 wrote to memory of 2888	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	97
PID 3748 wrote to memory of 2888	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	97
PID 3748 wrote to memory of 2888	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	97
PID 3748 wrote to memory of 724	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	100
PID 3748 wrote to memory of 724	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	100
PID 3748 wrote to memory of 724	3748	HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe	100
PID 724 wrote to memory of 3764	724	Synaptics.exe	101
PID 724 wrote to memory of 3764	724	Synaptics.exe	101
PID 724 wrote to memory of 3764	724	Synaptics.exe	101
PID 812 wrote to memory of 2228	812	svchost.exe	107
PID 812 wrote to memory of 2228	812	svchost.exe	107
PID 812 wrote to memory of 2228	812	svchost.exe	107

C:\Users\Admin\AppData\Local\Temp\9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
"C:\Users\Admin\AppData\Local\Temp\9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4188
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4760
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4412
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4040
- C:\Users\Admin\AppData\Local\Temp\HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Users\Admin\AppData\Local\Temp\._cache_HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_HD_9be23d4851819b67f7d574736df340cf431d6fde4a6cb999f6864ff2a791e02b.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2888
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:724
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3764

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:2512

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3812

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240612546.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2228

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery