Analysis
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max time kernel
159s -
max time network
80s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
29-12-2023 19:33
Static task
static1
Behavioral task
behavioral1
Sample
01dc371ca646617199c8e6f5decaa345.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
01dc371ca646617199c8e6f5decaa345.exe
Resource
win10v2004-20231215-en
General
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Target
01dc371ca646617199c8e6f5decaa345.exe
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Size
736KB
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MD5
01dc371ca646617199c8e6f5decaa345
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SHA1
ef38d9544529752373950c8e157942f5da3bee3c
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SHA256
79a7f0cde1e099397e5095a9daf42a23b1243fbf7845b1f50f64e3b5a3bded62
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SHA512
c07ae16bed70fdcd687f6061467ecb351922bad25cf31c7e92e29c33c848ca1eef703f242c6076a14a7a076a6989d25bf339449ad1460450df8fa8d96d28f5d1
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SSDEEP
12288:WjZo5O8SWl7/E4ZKJkwWCsA2xhinN4eOKj+iuG4/oCVZK6VBOyaW1K3Dnseo:6ow8tJXUawWFAkgNLOUSoV62yaW4Dse
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\alxhelper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01dc371ca646617199c8e6f5decaa345.exe /autostart" 01dc371ca646617199c8e6f5decaa345.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 01dc371ca646617199c8e6f5decaa345.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 01dc371ca646617199c8e6f5decaa345.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 01dc371ca646617199c8e6f5decaa345.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 01dc371ca646617199c8e6f5decaa345.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2736 01dc371ca646617199c8e6f5decaa345.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2736 01dc371ca646617199c8e6f5decaa345.exe 2736 01dc371ca646617199c8e6f5decaa345.exe 2736 01dc371ca646617199c8e6f5decaa345.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2736 01dc371ca646617199c8e6f5decaa345.exe 2736 01dc371ca646617199c8e6f5decaa345.exe 2736 01dc371ca646617199c8e6f5decaa345.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\01dc371ca646617199c8e6f5decaa345.exe"C:\Users\Admin\AppData\Local\Temp\01dc371ca646617199c8e6f5decaa345.exe"1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2736