xred | 8cce2bf81d0b937fb5256b69b497435b05ea9a4cf34f570592267897782d2d2b

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Winner_Free.exe

Executes dropped EXE 3 IoCs

pid	Process
4628	._cache_Winner_Free.exe
3744	Synaptics.exe
3060	._cache_Synaptics.exe

VMProtect packed file 5 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x000d000000023b53-5.dat	vmprotect
behavioral1/memory/4628-134-0x00000000001A0000-0x0000000000AA1000-memory.dmp	vmprotect
behavioral1/memory/4628-132-0x00000000001A0000-0x0000000000AA1000-memory.dmp	vmprotect
behavioral1/memory/3060-144-0x0000000000EE0000-0x00000000017E1000-memory.dmp	vmprotect
behavioral1/memory/4628-159-0x00000000001A0000-0x0000000000AA1000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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"	Winner_Free.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4628	._cache_Winner_Free.exe
3060	._cache_Synaptics.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 6 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	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Winner_Free.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Winner_Free.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 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Winner_Free.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	._cache_Synaptics.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	._cache_Winner_Free.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1064	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
3060	._cache_Synaptics.exe
4628	._cache_Winner_Free.exe
4628	._cache_Winner_Free.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
5032	OpenWith.exe
5028	OpenWith.exe
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4628	3156	Winner_Free.exe	82
PID 3156 wrote to memory of 4628	3156	Winner_Free.exe	82
PID 3156 wrote to memory of 4628	3156	Winner_Free.exe	82
PID 3156 wrote to memory of 3744	3156	Winner_Free.exe	84
PID 3156 wrote to memory of 3744	3156	Winner_Free.exe	84
PID 3156 wrote to memory of 3744	3156	Winner_Free.exe	84
PID 4628 wrote to memory of 3720	4628	._cache_Winner_Free.exe	85
PID 4628 wrote to memory of 3720	4628	._cache_Winner_Free.exe	85
PID 4628 wrote to memory of 3720	4628	._cache_Winner_Free.exe	85
PID 3744 wrote to memory of 3060	3744	Synaptics.exe	86
PID 3744 wrote to memory of 3060	3744	Synaptics.exe	86
PID 3744 wrote to memory of 3060	3744	Synaptics.exe	86
PID 3060 wrote to memory of 4844	3060	._cache_Synaptics.exe	88
PID 3060 wrote to memory of 4844	3060	._cache_Synaptics.exe	88
PID 3060 wrote to memory of 4844	3060	._cache_Synaptics.exe	88

C:\Users\Admin\AppData\Local\Temp\winer\Winner_Free.exe
"C:\Users\Admin\AppData\Local\Temp\winer\Winner_Free.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\winer\._cache_Winner_Free.exe
  "C:\Users\Admin\AppData\Local\Temp\winer\._cache_Winner_Free.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c title 0CiYFP6075JunR37aW2PcNr72bteR0pNF9g7PGE8cvb2NF95ZrsttUAS42K7
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3720
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Users\Admin\AppData\Local\Temp\winer\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\winer\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c title SqRhD58EfB77nc934P2L98BAH3rsBkIS6Uz4oOFsVdOJhxF0CniwY5N71KwD
      4⤵
      System Location Discovery: System Language Discovery
      PID:4844

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:5032

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:5028

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:1064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery