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Analysis
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max time kernel
52s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 15:02
Static task
static1
Behavioral task
behavioral1
Sample
f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe
Resource
win10v2004-20220812-en
General
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Target
f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe
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Size
1.2MB
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MD5
5a87c1d776be5a77f9f024b3cac8ce83
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SHA1
04c49030a54d214aae58c46bf56460229294d3f3
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SHA256
f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96
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SHA512
25f3f18ee8541206cae70bf7617aff34595242b7a26e1a5052c60dd694b297f8c13b5dbb3e2a494be9ec08d5723400e6f611c00ccd08c568fa4af143f800300c
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SSDEEP
24576:4psJdQPAkIw3plRmonoAObYsMLM8mCPFCOm5md/vQpeg0eV:4prFoEsXWbdCLp
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__ f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Wine f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\PastBubpg.sys f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 464 Process not Found 464 Process not Found -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe 1132 f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe"C:\Users\Admin\AppData\Local\Temp\f3cee2c59678959763eeee4b54f491965928924bdb878e125b1260da4b545f96.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Identifies Wine through registry keys
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1132