xred | 5f94a55a597c54f978031e2015c4da3862f8660cfcce97b546ad435e9208deee

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	SIP_20252701.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	SIP_20252701.exe

Executes dropped EXE 4 IoCs

pid	Process
1920	._cache_SIP_20252701.exe
4348	Synaptics.exe
220	Synaptics.exe
2764	._cache_Synaptics.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_SIP_20252701.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_SIP_20252701.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_SIP_20252701.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_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"	SIP_20252701.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
36	checkip.dyndns.org
38	reallyfreegeoip.org
39	reallyfreegeoip.org
48	reallyfreegeoip.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1472 set thread context of 8	1472	SIP_20252701.exe	97
PID 4348 set thread context of 220	4348	Synaptics.exe	106

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 12 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	SIP_20252701.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_SIP_20252701.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SIP_20252701.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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

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\	SIP_20252701.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

pid	Process
1916	schtasks.exe
448	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4580	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
4104	powershell.exe
4104	powershell.exe
1472	SIP_20252701.exe
1976	powershell.exe
1976	powershell.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1472	SIP_20252701.exe
1920	._cache_SIP_20252701.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
3960	powershell.exe
3960	powershell.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
3248	powershell.exe
3248	powershell.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
4348	Synaptics.exe
2764	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	SIP_20252701.exe
Token: SeDebugPrivilege	4104	powershell.exe
Token: SeDebugPrivilege	1976	powershell.exe
Token: SeDebugPrivilege	1920	._cache_SIP_20252701.exe
Token: SeDebugPrivilege	4348	Synaptics.exe
Token: SeDebugPrivilege	3960	powershell.exe
Token: SeDebugPrivilege	3248	powershell.exe
Token: SeDebugPrivilege	2764	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE
4580	EXCEL.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 4104	1472	SIP_20252701.exe	90
PID 1472 wrote to memory of 4104	1472	SIP_20252701.exe	90
PID 1472 wrote to memory of 4104	1472	SIP_20252701.exe	90
PID 1472 wrote to memory of 1976	1472	SIP_20252701.exe	92
PID 1472 wrote to memory of 1976	1472	SIP_20252701.exe	92
PID 1472 wrote to memory of 1976	1472	SIP_20252701.exe	92
PID 1472 wrote to memory of 1916	1472	SIP_20252701.exe	95
PID 1472 wrote to memory of 1916	1472	SIP_20252701.exe	95
PID 1472 wrote to memory of 1916	1472	SIP_20252701.exe	95
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 1472 wrote to memory of 8	1472	SIP_20252701.exe	97
PID 8 wrote to memory of 1920	8	SIP_20252701.exe	98
PID 8 wrote to memory of 1920	8	SIP_20252701.exe	98
PID 8 wrote to memory of 1920	8	SIP_20252701.exe	98
PID 8 wrote to memory of 4348	8	SIP_20252701.exe	99
PID 8 wrote to memory of 4348	8	SIP_20252701.exe	99
PID 8 wrote to memory of 4348	8	SIP_20252701.exe	99
PID 4348 wrote to memory of 3960	4348	Synaptics.exe	100
PID 4348 wrote to memory of 3960	4348	Synaptics.exe	100
PID 4348 wrote to memory of 3960	4348	Synaptics.exe	100
PID 4348 wrote to memory of 3248	4348	Synaptics.exe	102
PID 4348 wrote to memory of 3248	4348	Synaptics.exe	102
PID 4348 wrote to memory of 3248	4348	Synaptics.exe	102
PID 4348 wrote to memory of 448	4348	Synaptics.exe	104
PID 4348 wrote to memory of 448	4348	Synaptics.exe	104
PID 4348 wrote to memory of 448	4348	Synaptics.exe	104
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 4348 wrote to memory of 220	4348	Synaptics.exe	106
PID 220 wrote to memory of 2764	220	Synaptics.exe	107
PID 220 wrote to memory of 2764	220	Synaptics.exe	107
PID 220 wrote to memory of 2764	220	Synaptics.exe	107

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\SIP_20252701.exe
"C:\Users\Admin\AppData\Local\Temp\SIP_20252701.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SIP_20252701.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YFLBOynT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1976
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YFLBOynT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DD4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\SIP_20252701.exe
  "C:\Users\Admin\AppData\Local\Temp\SIP_20252701.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Users\Admin\AppData\Local\Temp\._cache_SIP_20252701.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_SIP_20252701.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1920
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3960
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YFLBOynT.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3248
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YFLBOynT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC733.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:448
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:220
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        Accesses Microsoft Outlook profiles
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:2764

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:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery