Analysis
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max time kernel
17s -
max time network
20s -
platform
windows11-21h2_x64 -
resource
win11-20250313-en -
resource tags
arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/03/2025, 11:02
Behavioral task
behavioral1
Sample
Server.exe
Resource
win11-20250313-en
7 signatures
150 seconds
General
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Target
Server.exe
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Size
93KB
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MD5
be8230b1a5ba47dacb5b4d4f990f0da2
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SHA1
1c44f6422cdf7117c69ab172625eee8d8a561159
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SHA256
c7bd3056f1c01d0d36cd4ee675677f9dd20be0684fe8520f18df7d303c494e94
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SHA512
26176c2277701fc6b2dd568cb7e9448a83ebfb4f4394469e24ed44511870b3d57e1cd6b6bbe8a305f2bebb7c701330a5be2e37b1f35c19055f43f640c879e402
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SSDEEP
1536:NUwC+xhUa9urgOBPmNvMcjEwzGi1dDGDIgS:NUmUa9urgOkdCi1dYx
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3848 netsh.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 1 2.tcp.eu.ngrok.io -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5216 Server.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5216 Server.exe Token: 33 5216 Server.exe Token: SeIncBasePriorityPrivilege 5216 Server.exe Token: 33 5216 Server.exe Token: SeIncBasePriorityPrivilege 5216 Server.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5216 wrote to memory of 3848 5216 Server.exe 78 PID 5216 wrote to memory of 3848 5216 Server.exe 78 PID 5216 wrote to memory of 3848 5216 Server.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5216 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3848
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