xred | 115cf5a051098e7bd964d660b0ebead30d851cdbd06886ee2d47007889abae48

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	update.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VFNCBO.lnk	._cache_update.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe	WScript.exe

Executes dropped EXE 6 IoCs

pid	Process
3360	update.exe
3628	._cache_update.exe
4480	Synaptics.exe
1612	._cache_Synaptics.exe
3152	NUHORT.exe
4008	NUHORT.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"	update.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VFNCBO = "\"C:\\Users\\Admin\\AppData\\Roaming\\Windata\\NUHORT.exe\""	._cache_update.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
12	raw.githubusercontent.com
13	raw.githubusercontent.com

AutoIT Executable 20 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1612-204-0x0000000000090000-0x0000000000280000-memory.dmp	autoit_exe
behavioral2/memory/1612-206-0x0000000000090000-0x0000000000280000-memory.dmp	autoit_exe
behavioral2/memory/3628-260-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-261-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-266-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-268-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-270-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3152-275-0x0000000000B00000-0x0000000000CF0000-memory.dmp	autoit_exe
behavioral2/memory/3628-276-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-280-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-303-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-305-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-307-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-309-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/4008-312-0x0000000000B00000-0x0000000000CF0000-memory.dmp	autoit_exe
behavioral2/memory/4008-313-0x0000000000B00000-0x0000000000CF0000-memory.dmp	autoit_exe
behavioral2/memory/3628-314-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-316-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-318-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe
behavioral2/memory/3628-320-0x0000000000730000-0x0000000000920000-memory.dmp	autoit_exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023b74-13.dat	upx
behavioral2/memory/3628-126-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/1612-204-0x0000000000090000-0x0000000000280000-memory.dmp	upx
behavioral2/memory/1612-206-0x0000000000090000-0x0000000000280000-memory.dmp	upx
behavioral2/memory/3628-260-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-261-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-266-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-268-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-270-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3152-273-0x0000000000B00000-0x0000000000CF0000-memory.dmp	upx
behavioral2/memory/3152-275-0x0000000000B00000-0x0000000000CF0000-memory.dmp	upx
behavioral2/memory/3628-276-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-280-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-303-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-305-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-307-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-309-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/4008-312-0x0000000000B00000-0x0000000000CF0000-memory.dmp	upx
behavioral2/memory/4008-313-0x0000000000B00000-0x0000000000CF0000-memory.dmp	upx
behavioral2/memory/3628-314-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-316-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-318-0x0000000000730000-0x0000000000920000-memory.dmp	upx
behavioral2/memory/3628-320-0x0000000000730000-0x0000000000920000-memory.dmp	upx

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 9 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSCript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NUHORT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NUHORT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.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\	update.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\root\SecurityCenter2	._cache_update.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
4104	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4340	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe
3628	._cache_update.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3628	._cache_update.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE
4340	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3360	4324	WScript.exe	85
PID 4324 wrote to memory of 3360	4324	WScript.exe	85
PID 4324 wrote to memory of 3360	4324	WScript.exe	85
PID 3360 wrote to memory of 3628	3360	update.exe	86
PID 3360 wrote to memory of 3628	3360	update.exe	86
PID 3360 wrote to memory of 3628	3360	update.exe	86
PID 3360 wrote to memory of 4480	3360	update.exe	87
PID 3360 wrote to memory of 4480	3360	update.exe	87
PID 3360 wrote to memory of 4480	3360	update.exe	87
PID 3628 wrote to memory of 2708	3628	._cache_update.exe	89
PID 3628 wrote to memory of 2708	3628	._cache_update.exe	89
PID 3628 wrote to memory of 2708	3628	._cache_update.exe	89
PID 3628 wrote to memory of 4044	3628	._cache_update.exe	91
PID 3628 wrote to memory of 4044	3628	._cache_update.exe	91
PID 3628 wrote to memory of 4044	3628	._cache_update.exe	91
PID 2708 wrote to memory of 4104	2708	cmd.exe	92
PID 2708 wrote to memory of 4104	2708	cmd.exe	92
PID 2708 wrote to memory of 4104	2708	cmd.exe	92
PID 4480 wrote to memory of 1612	4480	Synaptics.exe	94
PID 4480 wrote to memory of 1612	4480	Synaptics.exe	94
PID 4480 wrote to memory of 1612	4480	Synaptics.exe	94

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\115cf5a051098e7bd964d660b0ebead30d851cdbd06886ee2d47007889abae48.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.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:3360
- - C:\Users\Admin\AppData\Local\Temp\._cache_update.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_update.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - NTFS ADS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:3628
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:4104
  - - C:\Windows\SysWOW64\WSCript.exe
      WSCript C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs
      4⤵
      System Location Discovery: System Language Discovery
      PID:4044
- - 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:4480
  - - 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:1612

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:4340

C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3152

C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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