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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31/12/2024, 20:39
General
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Target
JaffaCakes118_35acb7e50a551cbcf2c585ab4311ea41.exe
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Size
276KB
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MD5
35acb7e50a551cbcf2c585ab4311ea41
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SHA1
d9e0cca3ec9a72cab8cad60d69ea8be6904200d8
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SHA256
a31ff3297dcdc70210bbc21f99c7d12ff9b3f9ef84c441c2ab737bd8e0d95bbb
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SHA512
ac5141544b1cb29001b150035fc55f44638aa271a57e583e94600cac6af2d880c3ffefdd452954cbe4298343306d91358a0111c9756e92cb2e39290361499ff6
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SSDEEP
768:3fPqh5bt7kn8s2zVKtdeTMDlth84uZqdWHjhEGYu1+Eb8pqaI+zYig0VKNfrx+mV:hg6sN6Q
Malware Config
Signatures
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Njrat family
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njRAT/Bladabindi
Widely used RAT written in .NET.
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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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.
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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.
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Suspicious use of AdjustPrivilegeToken 35 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35acb7e50a551cbcf2c585ab4311ea41.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35acb7e50a551cbcf2c585ab4311ea41.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"C:\Users\Admin\AppData\Local\Temp\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
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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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
276KB
MD535acb7e50a551cbcf2c585ab4311ea41
SHA1d9e0cca3ec9a72cab8cad60d69ea8be6904200d8
SHA256a31ff3297dcdc70210bbc21f99c7d12ff9b3f9ef84c441c2ab737bd8e0d95bbb
SHA512ac5141544b1cb29001b150035fc55f44638aa271a57e583e94600cac6af2d880c3ffefdd452954cbe4298343306d91358a0111c9756e92cb2e39290361499ff6
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB