Analysis
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max time kernel
120s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-11-2024 20:08
General
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Target
2757cb1d516aca0487074d0ec72ec62782d110db8b8e9c89e65362e6772517c9.exe
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Size
297KB
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MD5
e7019b9470a3429ed56932e348a16b28
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SHA1
518b13eba11c699b053f45e5316d5cbbe3d346b8
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SHA256
2757cb1d516aca0487074d0ec72ec62782d110db8b8e9c89e65362e6772517c9
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SHA512
8bf818148e4dc084494e36fcb52c27df00237dd40f5c6171b56c1d78d334e636a317f3d8589c7889ca77478585eac06a8c9c50c82749f409a08fa9f1ef7583e7
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SSDEEP
1536:SRtvbvk5KQCMvxl96lONCyCqU+lKeUd026bLG+TLWQrQkZWSdR:+aCMvx6wNCyCsHG+J5R
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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Drops file in Windows directory 4 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 behavior: EnumeratesProcesses 18 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2757cb1d516aca0487074d0ec72ec62782d110db8b8e9c89e65362e6772517c9.exe"C:\Users\Admin\AppData\Local\Temp\2757cb1d516aca0487074d0ec72ec62782d110db8b8e9c89e65362e6772517c9.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft© Security.exe"C:\Windows\Microsoft© Security.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\Microsoft© Security.exe" "Microsoft© Security.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
Loading Replay Monitor...
Downloads
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Filesize
297KB
MD5e7019b9470a3429ed56932e348a16b28
SHA1518b13eba11c699b053f45e5316d5cbbe3d346b8
SHA2562757cb1d516aca0487074d0ec72ec62782d110db8b8e9c89e65362e6772517c9
SHA5128bf818148e4dc084494e36fcb52c27df00237dd40f5c6171b56c1d78d334e636a317f3d8589c7889ca77478585eac06a8c9c50c82749f409a08fa9f1ef7583e7
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
56KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
320KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
40KB
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Filesize
7.7MB