Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-10-2024 06:32
General
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Target
Server.exe
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Size
287KB
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MD5
ea17b12f90b9d9f940454651bb23ddb2
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SHA1
1f06fc12afcf267d8663bf92e00a09c46b68c849
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SHA256
c178a4227f0869c0ec5b0cc1d1ebff42a82a4b3f23e71c2fdccf5673d1f5e287
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SHA512
62086639d824584da2c269bc31932efe8660732dcd15f071436e794fb8687e2b89c1551d6439dcb0e5f02213bdbdbf078c4b220b39ac64c79e9c98dbf3f632a9
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SSDEEP
3072:Acwb092QAsSdADRq6ty71wtYM77ldY7AXTp2kA:ZuwH77Ppj0kA
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\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.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
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Downloads
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Filesize
287KB
MD5ea17b12f90b9d9f940454651bb23ddb2
SHA11f06fc12afcf267d8663bf92e00a09c46b68c849
SHA256c178a4227f0869c0ec5b0cc1d1ebff42a82a4b3f23e71c2fdccf5673d1f5e287
SHA51262086639d824584da2c269bc31932efe8660732dcd15f071436e794fb8687e2b89c1551d6439dcb0e5f02213bdbdbf078c4b220b39ac64c79e9c98dbf3f632a9
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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