xred | 0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3c

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred

Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 8 IoCs

pid	Process
4420	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe
2580	icsys.icn.exe
4760	explorer.exe
3936	spoolsv.exe
1132	svchost.exe
2884	spoolsv.exe
464	Synaptics.exe
536	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	536	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 11 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	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2588	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2580	icsys.icn.exe
2580	icsys.icn.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
4760	explorer.exe
1132	svchost.exe
1132	svchost.exe
4760	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4760	explorer.exe
1132	svchost.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe
1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe
2580	icsys.icn.exe
2580	icsys.icn.exe
4760	explorer.exe
4760	explorer.exe
3936	spoolsv.exe
3936	spoolsv.exe
1132	svchost.exe
1132	svchost.exe
2884	spoolsv.exe
2884	spoolsv.exe
4760	explorer.exe
4760	explorer.exe
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 4420	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	83
PID 1996 wrote to memory of 4420	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	83
PID 1996 wrote to memory of 4420	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	83
PID 1996 wrote to memory of 2580	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	84
PID 1996 wrote to memory of 2580	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	84
PID 1996 wrote to memory of 2580	1996	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe	84
PID 2580 wrote to memory of 4760	2580	icsys.icn.exe	85
PID 2580 wrote to memory of 4760	2580	icsys.icn.exe	85
PID 2580 wrote to memory of 4760	2580	icsys.icn.exe	85
PID 4760 wrote to memory of 3936	4760	explorer.exe	86
PID 4760 wrote to memory of 3936	4760	explorer.exe	86
PID 4760 wrote to memory of 3936	4760	explorer.exe	86
PID 3936 wrote to memory of 1132	3936	spoolsv.exe	87
PID 3936 wrote to memory of 1132	3936	spoolsv.exe	87
PID 3936 wrote to memory of 1132	3936	spoolsv.exe	87
PID 1132 wrote to memory of 2884	1132	svchost.exe	88
PID 1132 wrote to memory of 2884	1132	svchost.exe	88
PID 1132 wrote to memory of 2884	1132	svchost.exe	88
PID 1132 wrote to memory of 3964	1132	svchost.exe	89
PID 1132 wrote to memory of 3964	1132	svchost.exe	89
PID 1132 wrote to memory of 3964	1132	svchost.exe	89
PID 4420 wrote to memory of 464	4420	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe	91
PID 4420 wrote to memory of 464	4420	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe	91
PID 4420 wrote to memory of 464	4420	0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe	91
PID 464 wrote to memory of 536	464	Synaptics.exe	92
PID 464 wrote to memory of 536	464	Synaptics.exe	92
PID 464 wrote to memory of 536	464	Synaptics.exe	92
PID 1132 wrote to memory of 1792	1132	svchost.exe	115
PID 1132 wrote to memory of 1792	1132	svchost.exe	115
PID 1132 wrote to memory of 1792	1132	svchost.exe	115

C:\Users\Admin\AppData\Local\Temp\0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe
"C:\Users\Admin\AppData\Local\Temp\0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- \??\c:\users\admin\appdata\local\temp\0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.exe
  c:\users\admin\appdata\local\temp\0386f907a997e0d2f1b768facff9ef0ef70e917395a7c9f9972232a786903e3cn.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:4420
- - 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:464
  - - 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:536
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 220
        5⤵
        Program crash
        
        PID:3044
- C:\Users\Admin\AppData\Local\icsys.icn.exe
  C:\Users\Admin\AppData\Local\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2580
- - \??\c:\windows\system\explorer.exe
    c:\windows\system\explorer.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies visiblity of hidden/system files in Explorer
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4760
  - - \??\c:\windows\system\spoolsv.exe
      c:\windows\system\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3936
    - - \??\c:\windows\system\svchost.exe
        
        c:\windows\system\svchost.exe
        5⤵
        Modifies WinLogon for persistence
        Modifies visiblity of hidden/system files in Explorer
        Boot or Logon Autostart Execution: Active Setup
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1132
      - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2884
      - C:\Windows\SysWOW64\at.exe
        
        at 20:42 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3964
      - C:\Windows\SysWOW64\at.exe
        
        at 20:43 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:1792

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:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 536 -ip 536
1⤵
PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery