Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-09-2024 07:22
Behavioral task
behavioral1
Sample
cli_gui.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cli_gui.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
cs2.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
syscfg.dll
Resource
win7-20240708-en
General
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Target
cli_gui.exe
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Size
2.9MB
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MD5
8f21c4390128917bf5af5c2ee3fbc592
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SHA1
733cc166b3161772755edf69314003a4a5e87953
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SHA256
78b628830cd84013ba1bdab6c5f4a1529f828119157a77d212d86e82f35a817b
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SHA512
c5116b27a4f722168c934319cd804a0390490be8341f27d39337877ce1c14e72c3dcdf725b982961c14de0a3da96362f2a9d4f4c486b7658c87c4801155cb015
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SSDEEP
49152:uMIG/+UMupsmDgHBXJOUQPlYpKmV9NGP7nvvUp6bSi3s4WYi2A0sOPxDcPC7i:dL/XkDuaKqPKnUSlbUSiPEi
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cli_gui.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2588 powershell.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cli_gui.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cli_gui.exe -
resource yara_rule behavioral1/memory/2792-0-0x000000013FE70000-0x00000001406A9000-memory.dmp themida behavioral1/memory/2792-15-0x000000013FE70000-0x00000001406A9000-memory.dmp themida behavioral1/memory/2792-16-0x000000013FE70000-0x00000001406A9000-memory.dmp themida behavioral1/memory/2792-28-0x000000013FE70000-0x00000001406A9000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cli_gui.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2792 cli_gui.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2588 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2588 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2792 wrote to memory of 3004 2792 cli_gui.exe 29 PID 2792 wrote to memory of 3004 2792 cli_gui.exe 29 PID 2792 wrote to memory of 3004 2792 cli_gui.exe 29 PID 3004 wrote to memory of 2588 3004 cmd.exe 30 PID 3004 wrote to memory of 2588 3004 cmd.exe 30 PID 3004 wrote to memory of 2588 3004 cmd.exe 30 PID 2792 wrote to memory of 2720 2792 cli_gui.exe 31 PID 2792 wrote to memory of 2720 2792 cli_gui.exe 31 PID 2792 wrote to memory of 2720 2792 cli_gui.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\cli_gui.exe"C:\Users\Admin\AppData\Local\Temp\cli_gui.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\windows\system32'" > NUL 2>&12⤵
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath 'C:\windows\system32'"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c cls2⤵PID:2720
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