Analysis
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max time kernel
1795s -
max time network
1787s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 07:28
Behavioral task
behavioral1
Sample
Server.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
12 signatures
1800 seconds
General
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Target
Server.exe
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Size
93KB
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MD5
0683c7aa6477729151becf1305d3bb61
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SHA1
5ce5792e3a0485b741c62b110399e2dc879b13ec
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SHA256
fb481c100a8acd081248001c1490dcbb929100cba3c8a5de5589dcfbdf911ed4
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SHA512
6ab18367f36e48253318bed7bafb90105d4dff24b6b0ca7e1318015b37b89d03bc07a0fb2e768fde291c2e0fd4a284dafba3fdb505752f923c11a6b49c0db231
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SSDEEP
1536:kUPTr1IDavlZhbSKl9YdjEwzGi1dDYDBgS:kUPSDavlZIQmqi1dG+
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 728 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation Server.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\photo_2024-04-02_19-14-53.jpg" Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lol.png" Server.exe -
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.
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 opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings Server.exe -
Suspicious behavior: EnumeratesProcesses 45 IoCs
pid Process 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe 1784 Server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1784 Server.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe Token: SeIncBasePriorityPrivilege 1784 Server.exe Token: 33 1784 Server.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1784 Server.exe 1784 Server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1784 wrote to memory of 728 1784 Server.exe 82 PID 1784 wrote to memory of 728 1784 Server.exe 82 PID 1784 wrote to memory of 728 1784 Server.exe 82 PID 1784 wrote to memory of 2592 1784 Server.exe 99 PID 1784 wrote to memory of 2592 1784 Server.exe 99 PID 1784 wrote to memory of 2592 1784 Server.exe 99
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
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1784 -
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:728
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tempxxSD.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:2592
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create 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
19B
MD553b9f8d6b89885849f2082ed155df5b0
SHA19698bf6232b9b0e9e9bd1a5c22a2e31cf1a7641e
SHA256c8852b43797378fb4f911c2e010882f1665bbcaf037ba800d1d6de3329937488
SHA512dd25d925585da29304f3b0ba6eb92463b9f25507ea3b0e306c891e441805210d9f02b451835f46d4d01ee0803f489bfbf5f0056fb47830f839d123be3cbf252f