xred | 2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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
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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 12 IoCs

pid	Process
4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
5080	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
4200	Synaptics.exe
4896	icsys.icn.exe
4116	explorer.exe
2388	._cache_Synaptics.exe
4624	spoolsv.exe
3412	._cache_synaptics.exe
3844	svchost.exe
556	spoolsv.exe
3036	icsys.icn.exe
1316	explorer.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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.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

System Location Discovery: System Language Discovery 1 TTPs 13 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	at.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	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.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\	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4816	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4896	icsys.icn.exe
4896	icsys.icn.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe
4116	explorer.exe
4116	explorer.exe
3844	svchost.exe
3844	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4116	explorer.exe
3844	svchost.exe

Suspicious use of SetWindowsHookEx 28 IoCs

pid	Process
4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
4896	icsys.icn.exe
4896	icsys.icn.exe
4116	explorer.exe
4116	explorer.exe
2388	._cache_Synaptics.exe
2388	._cache_Synaptics.exe
4624	spoolsv.exe
4624	spoolsv.exe
3844	svchost.exe
3844	svchost.exe
556	spoolsv.exe
556	spoolsv.exe
4816	EXCEL.EXE
4116	explorer.exe
4116	explorer.exe
4816	EXCEL.EXE
3036	icsys.icn.exe
3036	icsys.icn.exe
1316	explorer.exe
1316	explorer.exe
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 4216	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	83
PID 1556 wrote to memory of 4216	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	83
PID 1556 wrote to memory of 4216	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	83
PID 4216 wrote to memory of 5080	4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	84
PID 4216 wrote to memory of 5080	4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	84
PID 1556 wrote to memory of 4200	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	85
PID 1556 wrote to memory of 4200	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	85
PID 1556 wrote to memory of 4200	1556	2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	85
PID 4216 wrote to memory of 4896	4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	87
PID 4216 wrote to memory of 4896	4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	87
PID 4216 wrote to memory of 4896	4216	._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe	87
PID 4896 wrote to memory of 4116	4896	icsys.icn.exe	88
PID 4896 wrote to memory of 4116	4896	icsys.icn.exe	88
PID 4896 wrote to memory of 4116	4896	icsys.icn.exe	88
PID 4200 wrote to memory of 2388	4200	Synaptics.exe	89
PID 4200 wrote to memory of 2388	4200	Synaptics.exe	89
PID 4200 wrote to memory of 2388	4200	Synaptics.exe	89
PID 4116 wrote to memory of 4624	4116	explorer.exe	91
PID 4116 wrote to memory of 4624	4116	explorer.exe	91
PID 4116 wrote to memory of 4624	4116	explorer.exe	91
PID 2388 wrote to memory of 3412	2388	._cache_Synaptics.exe	92
PID 2388 wrote to memory of 3412	2388	._cache_Synaptics.exe	92
PID 4624 wrote to memory of 3844	4624	spoolsv.exe	93
PID 4624 wrote to memory of 3844	4624	spoolsv.exe	93
PID 4624 wrote to memory of 3844	4624	spoolsv.exe	93
PID 3844 wrote to memory of 556	3844	svchost.exe	94
PID 3844 wrote to memory of 556	3844	svchost.exe	94
PID 3844 wrote to memory of 556	3844	svchost.exe	94
PID 2388 wrote to memory of 3036	2388	._cache_Synaptics.exe	95
PID 2388 wrote to memory of 3036	2388	._cache_Synaptics.exe	95
PID 2388 wrote to memory of 3036	2388	._cache_Synaptics.exe	95
PID 3036 wrote to memory of 1316	3036	icsys.icn.exe	96
PID 3036 wrote to memory of 1316	3036	icsys.icn.exe	96
PID 3036 wrote to memory of 1316	3036	icsys.icn.exe	96
PID 3844 wrote to memory of 2668	3844	svchost.exe	97
PID 3844 wrote to memory of 2668	3844	svchost.exe	97
PID 3844 wrote to memory of 2668	3844	svchost.exe	97
PID 3844 wrote to memory of 4680	3844	svchost.exe	119
PID 3844 wrote to memory of 4680	3844	svchost.exe	119
PID 3844 wrote to memory of 4680	3844	svchost.exe	119

C:\Users\Admin\AppData\Local\Temp\2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
"C:\Users\Admin\AppData\Local\Temp\2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.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:1556
- C:\Users\Admin\AppData\Local\Temp\._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4216
- - \??\c:\users\admin\appdata\local\temp\._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
    c:\users\admin\appdata\local\temp\._cache_2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe
    3⤵
    - Executes dropped EXE
    PID:5080
- - C:\Users\Admin\AppData\Local\icsys.icn.exe
    C:\Users\Admin\AppData\Local\icsys.icn.exe
    3⤵
    - 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:4896
  - - \??\c:\windows\system\explorer.exe
      c:\windows\system\explorer.exe
      4⤵
      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:4116
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe SE
        5⤵
        Executes dropped EXE
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4624
      - \??\c:\windows\system\svchost.exe
        
        c:\windows\system\svchost.exe
        6⤵
        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:3844
        
        \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:556
        
        C:\Windows\SysWOW64\at.exe
        
        at 01:56 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:2668
        
        C:\Windows\SysWOW64\at.exe
        
        at 01:57 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:4680
- 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:4200
- - 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
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - \??\c:\users\admin\appdata\local\temp\._cache_synaptics.exe
      c:\users\admin\appdata\local\temp\._cache_synaptics.exe InjUpdate
      4⤵
      Executes dropped EXE
      PID:3412
  - - C:\Users\Admin\AppData\Local\icsys.icn.exe
      C:\Users\Admin\AppData\Local\icsys.icn.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3036
    - - \??\c:\windows\system\explorer.exe
        
        c:\windows\system\explorer.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:1316

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:4816

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