Analysis
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max time kernel
119s -
max time network
138s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
09-03-2022 02:44
Static task
static1
Behavioral task
behavioral1
Sample
14dd52af1b4ce65abf73c7b479f4af42102b3891494186118112406a1e0d5bf8.dll
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
14dd52af1b4ce65abf73c7b479f4af42102b3891494186118112406a1e0d5bf8.dll
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Size
1.9MB
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MD5
c5cc5ae8f7a33279195ff44c3f8ddcce
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SHA1
b308572cfbb7e70fa4cbca64676974b448641436
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SHA256
14dd52af1b4ce65abf73c7b479f4af42102b3891494186118112406a1e0d5bf8
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SHA512
ac4ec63dae4985f19f1ffe642c9436d8abab0d5248a44e6fe372aad242dea3922eea06a051a141fb63bf8edfe00c2ffc7759971e4782ce2a0c48f963f751c54e
Score
9/10
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.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Wine rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1636 rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1224 1636 WerFault.exe 27 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1636 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1628 wrote to memory of 1636 1628 rundll32.exe 27 PID 1636 wrote to memory of 1224 1636 rundll32.exe 28 PID 1636 wrote to memory of 1224 1636 rundll32.exe 28 PID 1636 wrote to memory of 1224 1636 rundll32.exe 28 PID 1636 wrote to memory of 1224 1636 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\14dd52af1b4ce65abf73c7b479f4af42102b3891494186118112406a1e0d5bf8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\14dd52af1b4ce65abf73c7b479f4af42102b3891494186118112406a1e0d5bf8.dll,#12⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 3843⤵
- Program crash
PID:1224
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