aac1616ba48c00242b9bd2b940fc63f63651bba53508a6ee091d5823d8216c07

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a0000000232fb-3.dat	acprotect
behavioral2/memory/404-10-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect
behavioral2/memory/404-12-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Loads dropped DLL 1 IoCs

pid	Process
404	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/404-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000a0000000232fb-3.dat	upx
behavioral2/memory/404-10-0x0000000010000000-0x000000001010B000-memory.dmp	upx
behavioral2/memory/404-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/404-12-0x0000000010000000-0x000000001010B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ftp33.dll	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
404	22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\22a2a8e73dcb0852195983bfa75d18ff_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:404

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=4360,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3820 /prefetch:8
1⤵
PID:3396

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

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

3