be44d9cb87f7e4cca77b1a38b630a03fa4d5a3b53546c2d4cf2bdfe51df03be3

Analysis

max time kernel
4265070s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
17/01/2022, 10:26

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General

Target
ec91b4953865679944025a4caa260663.dll
Size 472KB
Sample220117-mgjthshgel
SHA256 be44d9cb87f7e4cca77b1a38b630a03fa4d5a3b53546c2d4cf2bdfe51df03be3
MD5 ec91b4953865679944025a4caa260663
SHA1 c264e2fab3661dfef95c81d572911138ba5aa53c
SHA512 a816d50d1bee434c18b50398aeee7c988cacb845883be6ccf4eb8eb80b949b7228bfed8b8df3d1164a0d307724e03f1ad86aa8bc2bb377c78144f7ba5a478eab
MD5 SHA1 SHA512

Score

1^/10

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3744	MusNotification.exe
Token: SeCreatePagefilePrivilege	3744	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1828	1544	regsvr32.exe	54
PID 1544 wrote to memory of 1828	1544	regsvr32.exe	54
PID 1544 wrote to memory of 1828	1544	regsvr32.exe	54
PID 1828 wrote to memory of 3932	1828	regsvr32.exe	58
PID 1828 wrote to memory of 3932	1828	regsvr32.exe	58
PID 1828 wrote to memory of 3932	1828	regsvr32.exe	58

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ec91b4953865679944025a4caa260663.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ec91b4953865679944025a4caa260663.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ec91b4953865679944025a4caa260663.dll",DllRegisterServer
    3⤵
    PID:3932

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1828-135-0x0000000004AF5000-0x0000000004AF6000-memory.dmp

Download

memory/1828-134-0x0000000004AD1000-0x0000000004AF5000-memory.dmp