c3149a05301bb51aa8464ed9b4f4b1256c5323c024d74471b17437f6f6ef63db

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\PrinterSecurityLayer = "C:\\Windows\\LSPRN.EXE"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	LSPRN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\PrinterSecurityLayer = "C:\\Windows\\LSPRN.EXE"	LSPRN.EXE

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 8 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "0"	LSPRN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "0"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "0"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	LSPRN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "0"	LSPRN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	LSPRN.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	LSPRN.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Printer Driver = "C:\\Windows\\system32\\PRINTDRV.EXE"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Printer Driver = "C:\\Windows\\system32\\PRINTDRV.EXE"	LSPRN.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\LSPRN.EXE	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
File opened for modification	C:\Windows\LSPRN.EXE	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	LSPRN.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Security\DisableSecuritySettingsCheck = "1"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Security\DisableSecuritySettingsCheck = "1"	LSPRN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\	LSPRN.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4624	3308	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe	88
PID 3308 wrote to memory of 4624	3308	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe	88
PID 3308 wrote to memory of 4624	3308	253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\253bcc7afe799730a1b317cbb61994a4_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Event Triggered Execution: Image File Execution Options Injection
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\LSPRN.EXE
  "C:\Windows\LSPRN.EXE"
  2⤵
  - Adds policy Run key to start application
  - Event Triggered Execution: Image File Execution Options Injection
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  PID:4624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:1180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Modify Registry

3

Credential Access

Discovery

Query Registry

T1012

System Information Discovery