Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
08-01-2025 03:26
General
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Target
JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
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Size
240KB
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MD5
88a24d4f65891f29c3b494787d3e840d
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SHA1
ef4465bab7d07c5ff2ecc8597971d194ebe46b27
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SHA256
17ecfe8188074fedb16f3b5185ecb5af63ebff552a47c26544b52ed5e9ac7827
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SHA512
5e3179a5305762c67f6dbcfc2a0f264f8ff1c095bad8ca8490610113332212bca2b4118f5a35a1db909d5c8881e43efbb1f761115f66b209a73ebd30d02d894d
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SSDEEP
3072:4meSGmFf5xcgKFrcT4MQ+AxrzexiRyVhGzWrp7zSXxTdllPCWb6SuL5Hg8Jti8v7:4+GmB7YFrSC3QsRyVhGzWrp7mhTdUHn
Malware Config
Extracted
njrat
0.7d
거래
gpemtit123.kro.kr:1234
b291ea2cd036a5d9e56147750b07fc8d
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reg_key
b291ea2cd036a5d9e56147750b07fc8d
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splitter
|'|'|
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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Drops startup file 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Drops file in Windows directory 3 IoCs
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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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Suspicious use of AdjustPrivilegeToken 35 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe" "JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
9.6MB
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Filesize
4.8MB
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Filesize
80KB
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Filesize
136KB
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Filesize
9.6MB
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Filesize
168KB
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Filesize
112KB
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Filesize
200KB
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Filesize
224KB
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Filesize
48KB
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Filesize
664KB
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Filesize
624KB
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Filesize
4KB
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Filesize
32KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB