Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
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submitted
31-10-2024 06:37
General
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Target
Server22.exe
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Size
287KB
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MD5
8416926446f203e874143dd21d534cbc
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SHA1
0669ed6fa64701b149278e93b7060fc86f1e0950
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SHA256
701ce077bbe2c27c2496cad43d99ec4c6923c5f56f8d7f286c4e0623a789e79b
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SHA512
0c255f090613148761abba312fb9256b9dc7a2cd04c01b2745de88012b2928934e06438c3415f1fec40eb6b8f4354b5dd074bcb3b593018fcf6a55ef2b9affc3
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SSDEEP
3072:pcwb0m2QAsSdADRq6ty71wtYM77ldY7AXTp2kA:5uwH77Ppj0kA
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\Server22.exe"C:\Users\Admin\AppData\Local\Temp\Server22.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\Chrome.exe"C:\Users\Admin\AppData\Local\Temp\Chrome.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\Chrome.exe" "Chrome.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
287KB
MD58416926446f203e874143dd21d534cbc
SHA10669ed6fa64701b149278e93b7060fc86f1e0950
SHA256701ce077bbe2c27c2496cad43d99ec4c6923c5f56f8d7f286c4e0623a789e79b
SHA5120c255f090613148761abba312fb9256b9dc7a2cd04c01b2745de88012b2928934e06438c3415f1fec40eb6b8f4354b5dd074bcb3b593018fcf6a55ef2b9affc3
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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
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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