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Analysis
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max time kernel
149s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
29/11/2024, 05:47
Static task
static1
Behavioral task
behavioral1
Sample
af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe
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Size
157KB
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MD5
af45bad4b02446c2cc5d6a2a0f4d77f2
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SHA1
830e116baa9eea775c5ca603cc9409ef1295ef5d
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SHA256
886e2a3641f4517c1397b9c50591bced52a2106aa78ba28648995e43dae39c8a
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SHA512
e5c17ddee92154934150d933e910dfe4ef7c109c31158024562d5bed811e6100a1599b5fa80a5e643fa010088fb1641d1f9349ef709519d39b10edfe071d9e7e
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SSDEEP
3072:y929qYJOgh7qSyw2NOzHzjArOL/1TGAh4o2Tmq:y9IWSyw2EzHzjE+TGhoAm
Malware Config
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\90803d54d9f7528694db91e4fc428d87.exe service.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90803d54d9f7528694db91e4fc428d87.exe service.exe -
Executes dropped EXE 1 IoCs
pid Process 2508 service.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\90803d54d9f7528694db91e4fc428d87 = "\"C:\\Windows\\service.exe\" .." service.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\90803d54d9f7528694db91e4fc428d87 = "\"C:\\Windows\\service.exe\" .." service.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\service.exe af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe -
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 af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe Token: 33 2508 service.exe Token: SeIncBasePriorityPrivilege 2508 service.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2656 wrote to memory of 2508 2656 af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe 30 PID 2656 wrote to memory of 2508 2656 af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe 30 PID 2656 wrote to memory of 2508 2656 af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe 30 PID 2656 wrote to memory of 2508 2656 af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe 30 PID 2508 wrote to memory of 2824 2508 service.exe 32 PID 2508 wrote to memory of 2824 2508 service.exe 32 PID 2508 wrote to memory of 2824 2508 service.exe 32 PID 2508 wrote to memory of 2824 2508 service.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\af45bad4b02446c2cc5d6a2a0f4d77f2_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\service.exe"C:\Windows\service.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:2508 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\service.exe" "service.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
157KB
MD5af45bad4b02446c2cc5d6a2a0f4d77f2
SHA1830e116baa9eea775c5ca603cc9409ef1295ef5d
SHA256886e2a3641f4517c1397b9c50591bced52a2106aa78ba28648995e43dae39c8a
SHA512e5c17ddee92154934150d933e910dfe4ef7c109c31158024562d5bed811e6100a1599b5fa80a5e643fa010088fb1641d1f9349ef709519d39b10edfe071d9e7e