Analysis
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max time kernel
4265056s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
16/01/2022, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Resource
win10v2004-en-20220112
General
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Target
a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
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Size
27KB
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MD5
5d5c99a08a7d927346ca2dafa7973fc1
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SHA1
189166d382c73c242ba45889d57980548d4ba37e
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SHA256
a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92
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SHA512
ece2ac87f5b80dc43ac68f766eee16be6f8cd3b1c6535c741551d0637c72c712e9f7de080e6fa612b321b9e9eab90922995bba5486debefbbb6e21104a80442d
Malware Config
Signatures
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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 a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.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 MusNotification.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotification.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3588 MusNotification.exe Token: SeCreatePagefilePrivilege 3588 MusNotification.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe"C:\Users\Admin\AppData\Local\Temp\a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe"1⤵
- Writes to the Master Boot Record (MBR)
PID:2888
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3588