nanocore | 406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88f

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
1744	Synaptics.exe
3228	Synaptics.exe
3508	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 2 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"	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe"	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3948 set thread context of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 1744 set thread context of 3228	1744	Synaptics.exe	109

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.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 14 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

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

persistence execution

Scheduled Task

pid	Process
3796	schtasks.exe
4396	schtasks.exe
2376	schtasks.exe
5088	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3928	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2364	powershell.exe
2500	powershell.exe
2500	powershell.exe
2364	powershell.exe
4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
4808	powershell.exe
4460	powershell.exe
4808	powershell.exe
4460	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	2500	powershell.exe
Token: SeDebugPrivilege	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
Token: SeDebugPrivilege	4808	powershell.exe
Token: SeDebugPrivilege	4460	powershell.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 2364	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	86
PID 3948 wrote to memory of 2364	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	86
PID 3948 wrote to memory of 2364	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	86
PID 3948 wrote to memory of 2500	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	88
PID 3948 wrote to memory of 2500	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	88
PID 3948 wrote to memory of 2500	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	88
PID 3948 wrote to memory of 4396	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	90
PID 3948 wrote to memory of 4396	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	90
PID 3948 wrote to memory of 4396	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	90
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 3948 wrote to memory of 5024	3948	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	92
PID 5024 wrote to memory of 4380	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	93
PID 5024 wrote to memory of 4380	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	93
PID 5024 wrote to memory of 4380	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	93
PID 4380 wrote to memory of 2376	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	95
PID 4380 wrote to memory of 2376	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	95
PID 4380 wrote to memory of 2376	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	95
PID 5024 wrote to memory of 1744	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	97
PID 5024 wrote to memory of 1744	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	97
PID 5024 wrote to memory of 1744	5024	406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	97
PID 4380 wrote to memory of 5088	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	98
PID 4380 wrote to memory of 5088	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	98
PID 4380 wrote to memory of 5088	4380	._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe	98
PID 1744 wrote to memory of 4808	1744	Synaptics.exe	103
PID 1744 wrote to memory of 4808	1744	Synaptics.exe	103
PID 1744 wrote to memory of 4808	1744	Synaptics.exe	103
PID 1744 wrote to memory of 4460	1744	Synaptics.exe	105
PID 1744 wrote to memory of 4460	1744	Synaptics.exe	105
PID 1744 wrote to memory of 4460	1744	Synaptics.exe	105
PID 1744 wrote to memory of 3796	1744	Synaptics.exe	107
PID 1744 wrote to memory of 3796	1744	Synaptics.exe	107
PID 1744 wrote to memory of 3796	1744	Synaptics.exe	107
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 1744 wrote to memory of 3228	1744	Synaptics.exe	109
PID 3228 wrote to memory of 3508	3228	Synaptics.exe	110
PID 3228 wrote to memory of 3508	3228	Synaptics.exe	110
PID 3228 wrote to memory of 3508	3228	Synaptics.exe	110

C:\Users\Admin\AppData\Local\Temp\406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
"C:\Users\Admin\AppData\Local\Temp\406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2364
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XGYkmDNjyh.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2500
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XGYkmDNjyh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA836.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4396
- C:\Users\Admin\AppData\Local\Temp\406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
  "C:\Users\Admin\AppData\Local\Temp\406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Users\Admin\AppData\Local\Temp\._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_406f6aaed7ee453c105b4dc2737c6a2a5fe982991cc69d81cd3f97b54382b88fN.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB4E8.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2376
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB612.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:5088
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1744
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4808
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XGYkmDNjyh.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4460
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XGYkmDNjyh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE81E.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3796
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:3228
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3508

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:3928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

System Information Discovery