Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-10-2024 22:02
General
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Target
assasasa.exe
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Size
287KB
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MD5
11ea1c7e0deea44c82127cd46f47a074
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SHA1
005849c2f425a844b23c27a9079347e037e588fd
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SHA256
fceda118c3aef32d1d7ba4682b75cd9b81423544b820f02acbb6e99f10eb5813
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SHA512
5296be8822283f6ffc1c6168b1c2d85907b24f6e1127c77125cc522744c5249a77c45715f5e16b914e9bea2580d0e5a3a3e613ddaa2532713e9a66fbd93905e4
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SSDEEP
3072:SC8w0v2QAsSdADRq6ty71wtYM77ldY7AXTp2kA:guwH77Ppj0kA
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\assasasa.exe"C:\Users\Admin\AppData\Local\Temp\assasasa.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
MD511ea1c7e0deea44c82127cd46f47a074
SHA1005849c2f425a844b23c27a9079347e037e588fd
SHA256fceda118c3aef32d1d7ba4682b75cd9b81423544b820f02acbb6e99f10eb5813
SHA5125296be8822283f6ffc1c6168b1c2d85907b24f6e1127c77125cc522744c5249a77c45715f5e16b914e9bea2580d0e5a3a3e613ddaa2532713e9a66fbd93905e4
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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