bfc092b384976e97153bae0e29359461bfd65fce5ad8188d6460de57bc680eaf

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1\752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe = "0"	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1460	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1\752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe = "0"	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.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.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4888 set thread context of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89

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
4444	864	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1460	powershell.exe
1460	powershell.exe
864	jsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	powershell.exe
Token: SeDebugPrivilege	864	jsc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 1460	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	86
PID 4888 wrote to memory of 1460	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	86
PID 4888 wrote to memory of 668	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	88
PID 4888 wrote to memory of 668	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	88
PID 4888 wrote to memory of 668	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	88
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 864	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	89
PID 4888 wrote to memory of 3040	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	90
PID 4888 wrote to memory of 3040	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	90
PID 4888 wrote to memory of 3040	4888	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe	90

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\1\752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe
"C:\Users\Admin\AppData\Local\Temp\1\752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4888
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1\752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:668
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 1108
    3⤵
    - Program crash
    PID:4444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 864 -ip 864
1⤵
PID:4680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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