Analysis
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max time kernel
900s -
max time network
439s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-01-2025 18:55
Behavioral task
behavioral1
Sample
Server.exe
Resource
win11-20241007-en
windows11-21h2-x64
12 signatures
900 seconds
General
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Target
Server.exe
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Size
15.0MB
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MD5
23516f2c7db3247a024c98662bc52e10
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SHA1
be8144182ffb60c6cfdb77cf8a63e5a9c0343423
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SHA256
15a7486e081a2edc7ddfd2939ffa86db1bdbe914af99c46d3b2a5d1ff4a61327
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SHA512
6da9f20ec94ec371b4ba0635c1f5d10a9697d03991648920e49377c8b90fe8e4e648b3b637a7ee8b4c6624b9ede638348c85de2aff29aad1c23e6b2a6ef5c89a
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SSDEEP
1536:UHQMIIR8eGntGPm0ajEwzGi1dDNNDRgS:CQc8eGntG+0ji1dhVO
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 3 IoCs
pid Process 2972 netsh.exe 5048 netsh.exe 3052 netsh.exe -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe Server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\06faa19f58d8b6ec5d70bb2c8e7a5a8bWindows Update.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\06faa19f58d8b6ec5d70bb2c8e7a5a8bWindows Update.exe Server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemUpdater.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemUpdater.exe Server.exe -
Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf Server.exe File opened for modification C:\autorun.inf Server.exe File created F:\autorun.inf Server.exe File opened for modification F:\autorun.inf Server.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\SystemUpdater.exe Server.exe File opened for modification C:\Windows\SysWOW64\SystemUpdater.exe Server.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SystemUpdater.exe Server.exe File opened for modification C:\Program Files (x86)\SystemUpdater.exe Server.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \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 Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe 1288 Server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1288 Server.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe Token: SeIncBasePriorityPrivilege 1288 Server.exe Token: 33 1288 Server.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1288 wrote to memory of 2972 1288 Server.exe 77 PID 1288 wrote to memory of 2972 1288 Server.exe 77 PID 1288 wrote to memory of 2972 1288 Server.exe 77 PID 1288 wrote to memory of 5048 1288 Server.exe 79 PID 1288 wrote to memory of 5048 1288 Server.exe 79 PID 1288 wrote to memory of 5048 1288 Server.exe 79 PID 1288 wrote to memory of 3052 1288 Server.exe 80 PID 1288 wrote to memory of 3052 1288 Server.exe 80 PID 1288 wrote to memory of 3052 1288 Server.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- Drops startup file
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
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:2972
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe"2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5048
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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:3052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15.0MB
MD523516f2c7db3247a024c98662bc52e10
SHA1be8144182ffb60c6cfdb77cf8a63e5a9c0343423
SHA25615a7486e081a2edc7ddfd2939ffa86db1bdbe914af99c46d3b2a5d1ff4a61327
SHA5126da9f20ec94ec371b4ba0635c1f5d10a9697d03991648920e49377c8b90fe8e4e648b3b637a7ee8b4c6624b9ede638348c85de2aff29aad1c23e6b2a6ef5c89a