xred | 8f19550d0f9777c8ee13b290291787fc2c5b0b83255cb561cebc1f175dc83509

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	VPNPlus1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	._cache_VPNPlus1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe

Executes dropped EXE 8 IoCs

pid	Process
4688	VPNPlus1.exe
2468	._cache_VPNPlus1.exe
5116	Synaptics.exe
4760	Windows.exe
2340	VPNPlus.exe
324	._cache_Synaptics.exe
3224	Windows.exe
2700	VPNPlus.exe

Loads dropped DLL 2 IoCs

pid	Process
5116	Synaptics.exe
5116	Synaptics.exe

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"	VPNPlus1.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VPNPlus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VPNPlus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VPNPlus1.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\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	VPNPlus1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4484	EXCEL.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2000	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2000	7zFM.exe
Token: 35	2000	7zFM.exe
Token: SeSecurityPrivilege	2000	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2000	7zFM.exe
2000	7zFM.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 2468	4688	VPNPlus1.exe	100
PID 4688 wrote to memory of 2468	4688	VPNPlus1.exe	100
PID 4688 wrote to memory of 5116	4688	VPNPlus1.exe	102
PID 4688 wrote to memory of 5116	4688	VPNPlus1.exe	102
PID 4688 wrote to memory of 5116	4688	VPNPlus1.exe	102
PID 2468 wrote to memory of 4760	2468	._cache_VPNPlus1.exe	103
PID 2468 wrote to memory of 4760	2468	._cache_VPNPlus1.exe	103
PID 2468 wrote to memory of 2340	2468	._cache_VPNPlus1.exe	104
PID 2468 wrote to memory of 2340	2468	._cache_VPNPlus1.exe	104
PID 2468 wrote to memory of 2340	2468	._cache_VPNPlus1.exe	104
PID 5116 wrote to memory of 324	5116	Synaptics.exe	105
PID 5116 wrote to memory of 324	5116	Synaptics.exe	105
PID 324 wrote to memory of 3224	324	._cache_Synaptics.exe	107
PID 324 wrote to memory of 3224	324	._cache_Synaptics.exe	107
PID 324 wrote to memory of 2700	324	._cache_Synaptics.exe	108
PID 324 wrote to memory of 2700	324	._cache_Synaptics.exe	108
PID 324 wrote to memory of 2700	324	._cache_Synaptics.exe	108

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\vpn.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2000

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4148

C:\Users\Admin\Desktop\vpn\VPNPlus1.exe
"C:\Users\Admin\Desktop\vpn\VPNPlus1.exe"
1⤵
- 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:4688
- C:\Users\Admin\Desktop\vpn\._cache_VPNPlus1.exe
  "C:\Users\Admin\Desktop\vpn\._cache_VPNPlus1.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Users\Admin\AppData\Roaming\Windows.exe
    "C:\Users\Admin\AppData\Roaming\Windows.exe"
    3⤵
    - Executes dropped EXE
    PID:4760
- - C:\Users\Admin\AppData\Roaming\VPNPlus.exe
    "C:\Users\Admin\AppData\Roaming\VPNPlus.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2340
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Users\Admin\Desktop\vpn\._cache_Synaptics.exe
    "C:\Users\Admin\Desktop\vpn\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:324
  - - C:\Users\Admin\AppData\Roaming\Windows.exe
      "C:\Users\Admin\AppData\Roaming\Windows.exe"
      4⤵
      Executes dropped EXE
      PID:3224
  - - C:\Users\Admin\AppData\Roaming\VPNPlus.exe
      "C:\Users\Admin\AppData\Roaming\VPNPlus.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2700

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:4484

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