Analysis
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max time kernel
30s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05-05-2023 11:18
Static task
static1
Behavioral task
behavioral1
Sample
vpn.exe
Resource
win7-20230220-en
6 signatures
150 seconds
General
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Target
vpn.exe
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Size
3.0MB
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MD5
4b32941cd92e048e6a2d16c6069edf62
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SHA1
5d167b4588575ffbc7a06cd9fa22552dced38951
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SHA256
a1dc10eaa3d8eb09dfcb58123a48484639301d86165a8e3c76747cc04a2bf67d
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SHA512
8b5c75642960991648fd18fb2c5421f8d082f0982a4b5950dd091547dc53943fccb287a404593fbb08282188c3c94d75e05c28f1a58f83a5b6559f34a516442e
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SSDEEP
98304:6fFbrdnYUGkQqOSlBk1G4QBeKW0wnpTX5OIX:6fFbhBMqOxFgW3nRr
Malware Config
Extracted
Family
aurora
C2
94.142.138.215:8081
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
vpn.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ vpn.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
vpn.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion vpn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion vpn.exe -
Processes:
vpn.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA vpn.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
vpn.exepid process 1740 vpn.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
vpn.exepid process 1740 vpn.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\vpn.exe"C:\Users\Admin\AppData\Local\Temp\vpn.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 behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1740-54-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-55-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-56-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-57-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-58-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-59-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-60-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-61-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB
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memory/1740-62-0x0000000000970000-0x0000000001192000-memory.dmpFilesize
8.1MB