xred | b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e

System Information Discovery

Processes:

Temp + Perm (1).exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Temp + Perm (1).exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_Temp + Perm (1).exeSynaptics.exe._cache_Synaptics.exe

pid process

4948 ._cache_Temp + Perm (1).exe
3144 Synaptics.exe
1624 ._cache_Synaptics.exe

pid	process
4948	._cache_Temp + Perm (1).exe
3144	Synaptics.exe
1624	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Temp + Perm (1).exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	Temp + Perm (1).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 4 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

Processes:

Temp + Perm (1).exe._cache_Temp + Perm (1).exeSynaptics.exe._cache_Synaptics.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Temp + Perm (1).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Temp + Perm (1).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.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

Processes:

EXCEL.EXE

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 9 IoCs

Query Registry

System Information Discovery

Processes:

EXCEL.EXE._cache_Temp + Perm (1).exe._cache_Synaptics.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	._cache_Temp + Perm (1).exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	._cache_Synaptics.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	._cache_Temp + Perm (1).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	._cache_Temp + Perm (1).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	._cache_Synaptics.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "46"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe

Modifies registry class 2 IoCs

Processes:

Temp + Perm (1).exeSynaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Temp + Perm (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4872 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

bootim.exe

pid process

4272 bootim.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bootim.exe

description pid process

Token: SeSystemEnvironmentPrivilege 4272 bootim.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXELogonUI.exe

pid process

4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4264 LogonUI.exe

pid	process
4872	EXCEL.EXE

pid	process
4272	bootim.exe

description	pid	process
Token: SeSystemEnvironmentPrivilege	4272	bootim.exe

pid	process
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4264	LogonUI.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Temp + Perm (1).exeSynaptics.exe

description	pid	process	target process
PID 1148 wrote to memory of 4948	1148	Temp + Perm (1).exe	._cache_Temp + Perm (1).exe
PID 1148 wrote to memory of 4948	1148	Temp + Perm (1).exe	._cache_Temp + Perm (1).exe
PID 1148 wrote to memory of 4948	1148	Temp + Perm (1).exe	._cache_Temp + Perm (1).exe
PID 1148 wrote to memory of 3144	1148	Temp + Perm (1).exe	Synaptics.exe
PID 1148 wrote to memory of 3144	1148	Temp + Perm (1).exe	Synaptics.exe
PID 1148 wrote to memory of 3144	1148	Temp + Perm (1).exe	Synaptics.exe
PID 3144 wrote to memory of 1624	3144	Synaptics.exe	._cache_Synaptics.exe
PID 3144 wrote to memory of 1624	3144	Synaptics.exe	._cache_Synaptics.exe
PID 3144 wrote to memory of 1624	3144	Synaptics.exe	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\Temp + Perm (1).exe
"C:\Users\Admin\AppData\Local\Temp\Temp + Perm (1).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:1148
- C:\Users\Admin\AppData\Local\Temp\._cache_Temp + Perm (1).exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_Temp + Perm (1).exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:4948
- 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:3144
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Enumerates system info in registry
    PID:1624

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:4872

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b7855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4264

C:\Windows\system32\bootim.exe
bootim.exe /startpage:1
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4272

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