a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92

Analysis

max time kernel
4265056s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
16-01-2022 21:35

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General

Target

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe
Size

27KB
MD5

5d5c99a08a7d927346ca2dafa7973fc1
SHA1

189166d382c73c242ba45889d57980548d4ba37e
SHA256

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92
SHA512

ece2ac87f5b80dc43ac68f766eee16be6f8cd3b1c6535c741551d0637c72c712e9f7de080e6fa612b321b9e9eab90922995bba5486debefbbb6e21104a80442d

Score

6^/10

bootkit persistence

Malware Config

Signatures

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.
bootkit persistence

Bootkit
T1067

Processes:

a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

description ioc process

File opened for modification \??\PhysicalDrive0 a196c6b8ffcb97ffb276d04f354696e2391311db3841ae16c8c9f56f36a38e92.exe

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.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotification.exe

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

Processes:

MusNotification.exe

description pid process

Token: SeShutdownPrivilege 3588 MusNotification.exe
Token: SeCreatePagefilePrivilege 3588 MusNotification.exe

description	pid	process
Token: SeShutdownPrivilege	3588	MusNotification.exe
Token: SeCreatePagefilePrivilege	3588	MusNotification.exe

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

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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