snakekeylogger | 53ba1575f48c3ed5ecc12fd858464360a9e49d81a2be4a1c9405690d1074e62e

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

INVOICE0986543009070.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	INVOICE0986543009070.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	INVOICE0986543009070.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\INVOICE0986543009070.exe = "0"	INVOICE0986543009070.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

INVOICE0986543009070.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions INVOICE0986543009070.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

INVOICE0986543009070.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools INVOICE0986543009070.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	INVOICE0986543009070.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	INVOICE0986543009070.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	INVOICE0986543009070.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	INVOICE0986543009070.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	INVOICE0986543009070.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	INVOICE0986543009070.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	INVOICE0986543009070.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\INVOICE0986543009070.exe = "0"	INVOICE0986543009070.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	INVOICE0986543009070.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	INVOICE0986543009070.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 checkip.dyndns.org

flow	ioc
14	checkip.dyndns.org

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

INVOICE0986543009070.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	INVOICE0986543009070.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	INVOICE0986543009070.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE0986543009070.exe

description pid process target process

PID 3520 set thread context of 4680 3520 INVOICE0986543009070.exe CasPol.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CasPol.exepowershell.exe

pid process

4680 CasPol.exe
1408 powershell.exe
1408 powershell.exe
4680 CasPol.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CasPol.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4680 CasPol.exe
Token: SeDebugPrivilege 1408 powershell.exe

description	pid	process	target process
PID 3520 set thread context of 4680	3520	INVOICE0986543009070.exe	CasPol.exe

pid	process
4680	CasPol.exe
1408	powershell.exe
1408	powershell.exe
4680	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	4680	CasPol.exe
Token: SeDebugPrivilege	1408	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

INVOICE0986543009070.exe

description	pid	process	target process
PID 3520 wrote to memory of 1408	3520	INVOICE0986543009070.exe	powershell.exe
PID 3520 wrote to memory of 1408	3520	INVOICE0986543009070.exe	powershell.exe
PID 3520 wrote to memory of 1408	3520	INVOICE0986543009070.exe	powershell.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe
PID 3520 wrote to memory of 4680	3520	INVOICE0986543009070.exe	CasPol.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

INVOICE0986543009070.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	INVOICE0986543009070.exe

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE0986543009070.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE0986543009070.exe"
1⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3520

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\INVOICE0986543009070.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery