a85e6ff03ceef7238d26b8baffd5b02a285d39f4fd26e17b2e8237f736e076c2

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
2944	netsh.exe
2732	netsh.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\YOUTUBE.PLAYER.exe	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-0-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2760-10-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2372-13-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2760-6-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-4-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-15-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-17-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-16-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-18-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-21-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-22-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-23-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-65-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-24-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-45-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2760-75-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\engel = "C:\\Users\\Admin\\AppData\\Roaming\\updates\\updates.exe"	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\engel = "C:\\Users\\Admin\\AppData\\Roaming\\engel\\updates.exe"	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
876	2760	WerFault.exe	31

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Main\DHCP = "1970709"	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2760	2372	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	31
PID 2760 wrote to memory of 2732	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	32
PID 2760 wrote to memory of 2732	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	32
PID 2760 wrote to memory of 2732	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	32
PID 2760 wrote to memory of 2732	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	32
PID 2760 wrote to memory of 2944	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	34
PID 2760 wrote to memory of 2944	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	34
PID 2760 wrote to memory of 2944	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	34
PID 2760 wrote to memory of 2944	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	34
PID 2760 wrote to memory of 876	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	36
PID 2760 wrote to memory of 876	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	36
PID 2760 wrote to memory of 876	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	36
PID 2760 wrote to memory of 876	2760	6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe	36

C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
  2⤵
  - Modifies firewall policy service
  - Drops startup file
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\netsh.exe
    "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2732
- - C:\Windows\SysWOW64\netsh.exe
    "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 404
    3⤵
    - Program crash
    PID:876

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

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery