Analysis
-
max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 12:45
Behavioral task
behavioral1
Sample
JaffaCakes118_65316d840dd564a3a8953807362607d0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_65316d840dd564a3a8953807362607d0.exe
Resource
win10v2004-20241007-en
General
-
Target
JaffaCakes118_65316d840dd564a3a8953807362607d0.exe
-
Size
23KB
-
MD5
65316d840dd564a3a8953807362607d0
-
SHA1
0a8066aa06a75769dc28de8b0adf808402d9383a
-
SHA256
813a8ab922fd7f79c4f48dfe3d1decf15996d0db6275f667b8096829033ef279
-
SHA512
80a117b28a3cfda7ceb771b80b4ed8278e01436ec542544b5f352627cadc035ec494052def323d9f062a67eec8ff6283e844e889fb91b7a29748fea95342f866
-
SSDEEP
384:zRWKCWs5Mx/YZPxvnjmQdFxH84GlQ6rgdAyZxLdmRvR6JZlbw8hqIusZzZI3:tmXAOvnjDdF9cRpcnux
Malware Config
Signatures
-
Njrat family
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 384 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation JaffaCakes118_65316d840dd564a3a8953807362607d0.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\790dd4a6c7e4bc576f75142f84fb9676.exe Internet Explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\790dd4a6c7e4bc576f75142f84fb9676.exe Internet Explorer.exe -
Executes dropped EXE 1 IoCs
pid Process 2892 Internet Explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\790dd4a6c7e4bc576f75142f84fb9676 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Internet Explorer.exe\" .." Internet Explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\790dd4a6c7e4bc576f75142f84fb9676 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Internet Explorer.exe\" .." Internet Explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process 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 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_65316d840dd564a3a8953807362607d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Internet Explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe Token: 33 2892 Internet Explorer.exe Token: SeIncBasePriorityPrivilege 2892 Internet Explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2980 wrote to memory of 2892 2980 JaffaCakes118_65316d840dd564a3a8953807362607d0.exe 84 PID 2980 wrote to memory of 2892 2980 JaffaCakes118_65316d840dd564a3a8953807362607d0.exe 84 PID 2980 wrote to memory of 2892 2980 JaffaCakes118_65316d840dd564a3a8953807362607d0.exe 84 PID 2892 wrote to memory of 384 2892 Internet Explorer.exe 93 PID 2892 wrote to memory of 384 2892 Internet Explorer.exe 93 PID 2892 wrote to memory of 384 2892 Internet Explorer.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65316d840dd564a3a8953807362607d0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65316d840dd564a3a8953807362607d0.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Roaming\Internet Explorer.exe"C:\Users\Admin\AppData\Roaming\Internet Explorer.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Internet Explorer.exe" "Internet Explorer.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:384
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
23KB
MD565316d840dd564a3a8953807362607d0
SHA10a8066aa06a75769dc28de8b0adf808402d9383a
SHA256813a8ab922fd7f79c4f48dfe3d1decf15996d0db6275f667b8096829033ef279
SHA51280a117b28a3cfda7ceb771b80b4ed8278e01436ec542544b5f352627cadc035ec494052def323d9f062a67eec8ff6283e844e889fb91b7a29748fea95342f866