c3e4d3da736b19e4bb4a37c061a861b5cd10b28e0e5b5aa090ffa6c2042ed37b

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system32\drivers\explorer.exe	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
File created	C:\WINDOWS\system32\drivers\explorer.exe	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

defense_evasion persistence privilege_escalation

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\WINDOWS\\system32\\drivers\\explorer.exe"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 1 IoCs

Possible Turn off User Account Control's privilege elevation for standard users.

Executable Installer File Permissions Weakness

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1052	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
1052	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

System policy modification 1 TTPs 7 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\dontdisplaylastusername = "1"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableUIADesktopToggle = "0"	b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b91c83f400f4da99dcfd67d6d4be399d_JaffaCakes118.exe"
1⤵
- UAC bypass
- Drops file in Drivers directory
- Adds Run key to start application
- Checks whether UAC is enabled
- Hijack Execution Flow: Executable Installer File Permissions Weakness
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Hijack Execution Flow

T1574

Executable Installer File Permissions Weakness

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Hijack Execution Flow

T1574

Executable Installer File Permissions Weakness

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hijack Execution Flow

T1574

Executable Installer File Permissions Weakness

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery