Analysis
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max time kernel
154s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 05:23
Behavioral task
behavioral1
Sample
aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b.dll
Resource
win7-20230831-en
windows7-x64
Behavioral task
behavioral2
Sample
aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b.dll
Resource
win10v2004-20230915-en
windows10-2004-x64
General
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Target
aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b.dll
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Size
180KB
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MD5
019231ec771e7404a8df6aacc002fbea
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SHA1
a6ff0f4d8e8174e69b2e737f2908836f520e0efc
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SHA256
aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b
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SHA512
075e3afd8213833a163d7ab6e46286deeb9b71b1dd4e857db181591438485e20e7b625cae7bb200e9c34d208aebe2458eaad32570fee3bb1fb69d7c64629bb75
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SSDEEP
3072:RblTMtIkyV+gXwabnWpXje3htTBfdMFw67+:RbmOk5+wCngXyRtTB1+L+
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 30 1304 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ϵͳ×é¼þ = "C:\\Windows\\SysWOW64\\rundll32.exe" rundll32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe -
Suspicious behavior: EnumeratesProcesses 62 IoCs
pid Process 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe 1304 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4488 wrote to memory of 1304 4488 rundll32.exe 86 PID 4488 wrote to memory of 1304 4488 rundll32.exe 86 PID 4488 wrote to memory of 1304 4488 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\aa92f65def527de28f2f6e956e4b4849b1e5e441919df86139e96221101a828b.dll,#12⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1304
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