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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03/01/2025, 05:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
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Size
72KB
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MD5
6a629dac4cd4cb55e817f23abcc15770
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SHA1
65d7d2370b17c2b5775a40760047f33da7f7ed9f
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SHA256
ffc680328d0645a522f58a06cc1f6d6f5f451b74de24795538ee5a7435769673
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SHA512
52f0903adf615e61e6b967c07182ce04f03a5a2e96014cb94f9f2250f22cdc712be0f37ca95bbc971ecb696b44e7ca338c42a21bdf914baae4711d295fa43794
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SSDEEP
1536:X3/oPzQUGZ0AGtZn7ikwH7pNlOKku/kM97w:HAPzQUGZ0Azkwbow/kKc
Malware Config
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4776 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39126101623909def15c2722f12bfbf9.exe System32.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39126101623909def15c2722f12bfbf9.exe System32.exe -
Executes dropped EXE 1 IoCs
pid Process 4984 System32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\39126101623909def15c2722f12bfbf9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .." System32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\39126101623909def15c2722f12bfbf9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .." System32.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 JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language System32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe Token: 33 4984 System32.exe Token: SeIncBasePriorityPrivilege 4984 System32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 184 wrote to memory of 4984 184 JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe 84 PID 184 wrote to memory of 4984 184 JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe 84 PID 184 wrote to memory of 4984 184 JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe 84 PID 4984 wrote to memory of 4776 4984 System32.exe 89 PID 4984 wrote to memory of 4776 4984 System32.exe 89 PID 4984 wrote to memory of 4776 4984 System32.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:184 -
C:\Users\Admin\AppData\Roaming\System32.exe"C:\Users\Admin\AppData\Roaming\System32.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:4984 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4776
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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
72KB
MD56a629dac4cd4cb55e817f23abcc15770
SHA165d7d2370b17c2b5775a40760047f33da7f7ed9f
SHA256ffc680328d0645a522f58a06cc1f6d6f5f451b74de24795538ee5a7435769673
SHA51252f0903adf615e61e6b967c07182ce04f03a5a2e96014cb94f9f2250f22cdc712be0f37ca95bbc971ecb696b44e7ca338c42a21bdf914baae4711d295fa43794