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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/01/2025, 08:40
Behavioral task
behavioral1
Sample
JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe
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Size
31KB
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MD5
58d96f9f4e0484a57bc7c0fcb05a9595
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SHA1
3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1
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SHA256
46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9
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SHA512
01429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7
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SSDEEP
768:7NaHirnp7VJMzxn6zuJORmnXPlv4eQmIDUu0tiMWj:O0pKQeJLQVkGj
Malware Config
Extracted
njrat
0.7d
Dat
0.tcp.ngrok.io:10196
4b6d4526ce130b5f80f1795d2c2b3aa9
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reg_key
4b6d4526ce130b5f80f1795d2c2b3aa9
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splitter
Y262SUCZ4UJJ
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2824 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4b6d4526ce130b5f80f1795d2c2b3aa9.exe WindowsServices.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4b6d4526ce130b5f80f1795d2c2b3aa9.exe WindowsServices.exe -
Executes dropped EXE 1 IoCs
pid Process 2692 WindowsServices.exe -
Loads dropped DLL 1 IoCs
pid Process 2012 JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4b6d4526ce130b5f80f1795d2c2b3aa9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\4b6d4526ce130b5f80f1795d2c2b3aa9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .." WindowsServices.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 10 0.tcp.ngrok.io 12 0.tcp.ngrok.io 19 0.tcp.ngrok.io 40 0.tcp.ngrok.io 49 0.tcp.ngrok.io 2 0.tcp.ngrok.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 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 -
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_58d96f9f4e0484a57bc7c0fcb05a9595.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsServices.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe Token: 33 2692 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2692 WindowsServices.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2692 2012 JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe 30 PID 2012 wrote to memory of 2692 2012 JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe 30 PID 2012 wrote to memory of 2692 2012 JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe 30 PID 2012 wrote to memory of 2692 2012 JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe 30 PID 2692 wrote to memory of 2824 2692 WindowsServices.exe 32 PID 2692 wrote to memory of 2824 2692 WindowsServices.exe 32 PID 2692 wrote to memory of 2824 2692 WindowsServices.exe 32 PID 2692 wrote to memory of 2824 2692 WindowsServices.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58d96f9f4e0484a57bc7c0fcb05a9595.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Roaming\WindowsServices.exe"C:\Users\Admin\AppData\Roaming\WindowsServices.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:2692 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2824
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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
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Downloads
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Filesize
31KB
MD558d96f9f4e0484a57bc7c0fcb05a9595
SHA13a3028b6cf152f2c4d5872c0eb1948f2ddd152a1
SHA25646ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9
SHA51201429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7