a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\lsass.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lsass.exe:*:Enabled:Windows Defense"	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
3388	netsh.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
4212	lsass.exe
2024	lsass.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Firewall = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lsass.exe"	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Firewall = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lsass.exe"	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
5660	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3324	cmd.exe
4104	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 3388	1908	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe	89
PID 1908 wrote to memory of 4104	1908	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe	90
PID 4104 wrote to memory of 5660	4104	cmd.exe	92
PID 1908 wrote to memory of 3324	1908	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe	93
PID 1908 wrote to memory of 2024	1908	jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe	97

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a148afa53a358417eaf5923af00cab8bacf06e0462986809e1029db922033f2d.exe"
1⤵
- Modifies firewall policy service
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\Users\Admin\AppData\Local\Temp\lsass.exe WindowsSafety ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3388
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c sc create svcSwarm binPath=C:\Users\Admin\AppData\Local\Temp\lsass.exe /k type= own type= interact error= interact start= demand
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4104
- - C:\Windows\SysWOW64\sc.exe
    sc create svcSwarm binPath=C:\Users\Admin\AppData\Local\Temp\lsass.exe /k type= own type= interact error= interact start= demand
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:5660
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start svcSwarm
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3324
- C:\Users\Admin\AppData\Local\Temp\lsass.exe
  "C:\Users\Admin\AppData\Local\Temp\lsass.exe"
  2⤵
  - Executes dropped EXE
  PID:2024

C:\Users\Admin\AppData\Local\Temp\lsass.exe
C:\Users\Admin\AppData\Local\Temp\lsass.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4212

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

System Services

T1569

Service Execution

T1569.002

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

2

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery