Analysis
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max time kernel
117s -
max time network
119s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-09-2021 20:14
Static task
static1
Behavioral task
behavioral1
Sample
Etabs_v18_kg.exe
Resource
win7v20210408
0 signatures
0 seconds
General
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Target
Etabs_v18_kg.exe
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Size
2.6MB
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MD5
d184a76d23578380113625d695110c69
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SHA1
01dcba88f50fed6c33e060fa49e96a62620b8570
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SHA256
8f63908b52eab6e8edb2d3453dedb2b2a99f8c24187286df9853c3de1a47cba0
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SHA512
5a88afbfb82d6055d1de99b8516f4b8dc5fab094c793944ff18c5175c4d66012a78e35eaf1fd9d9b701d185b141a36740ef04437aed88ae5783a27defdcad8c9
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Etabs_v18_kg.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Etabs_v18_kg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Etabs_v18_kg.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
Etabs_v18_kg.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Wine Etabs_v18_kg.exe -
Processes:
Etabs_v18_kg.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Etabs_v18_kg.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Etabs_v18_kg.exepid process 2072 Etabs_v18_kg.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Etabs_v18_kg.exepid process 2072 Etabs_v18_kg.exe 2072 Etabs_v18_kg.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Etabs_v18_kg.exedescription pid process target process PID 2072 wrote to memory of 2440 2072 Etabs_v18_kg.exe cmd.exe PID 2072 wrote to memory of 2440 2072 Etabs_v18_kg.exe cmd.exe PID 2072 wrote to memory of 2440 2072 Etabs_v18_kg.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Etabs_v18_kg.exe"C:\Users\Admin\AppData\Local\Temp\Etabs_v18_kg.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c pause2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2072-116-0x0000000000900000-0x0000000000F88000-memory.dmpFilesize
6.5MB
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memory/2072-115-0x0000000077C30000-0x0000000077DBE000-memory.dmpFilesize
1.6MB
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memory/2072-117-0x00000000054C0000-0x00000000054C1000-memory.dmpFilesize
4KB
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memory/2072-118-0x00000000054B0000-0x00000000054B1000-memory.dmpFilesize
4KB
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memory/2072-119-0x00000000054A0000-0x00000000054A1000-memory.dmpFilesize
4KB
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memory/2072-120-0x00000000054D0000-0x00000000054D1000-memory.dmpFilesize
4KB
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memory/2072-124-0x0000000005440000-0x0000000005441000-memory.dmpFilesize
4KB
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memory/2072-123-0x0000000005470000-0x0000000005471000-memory.dmpFilesize
4KB
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memory/2072-122-0x00000000054E0000-0x00000000054E1000-memory.dmpFilesize
4KB
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memory/2072-121-0x0000000005480000-0x0000000005481000-memory.dmpFilesize
4KB
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memory/2072-125-0x0000000005490000-0x0000000005491000-memory.dmpFilesize
4KB
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memory/2440-126-0x0000000000000000-mapping.dmp