46f18091cf10d22dfb79b372c9c0d44f3547ec2fb9f0f7c772ef08b33ed53a83

Analysis

max time kernel
4265078s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
14-01-2022 16:01

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General

Target

ScanClientUpdate/KM.IDCard.dll
Size

224KB
MD5

f7fa5d0c24b508e4be1bd11ad15a7971
SHA1

d0efe19b25d1cf63ab131653e60c6fbae5271df5
SHA256

44f79ddc089fbcd5325f7786389b22dd99cdaa0c5d0857248f78a3f9abd542d0
SHA512

70cfbeb64728c14d38661264d5c422e36162a56805f7d20f5b288346e87394724b00b079f6145c2cc75bf2598a2796184092c7f0e6e92af30ec03e94f933414b

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

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 1688 MusNotification.exe
Token: SeCreatePagefilePrivilege 1688 MusNotification.exe

description	pid	process
Token: SeShutdownPrivilege	1688	MusNotification.exe
Token: SeCreatePagefilePrivilege	1688	MusNotification.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4000 wrote to memory of 3720	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 3720	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 3720	4000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ScanClientUpdate\KM.IDCard.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ScanClientUpdate\KM.IDCard.dll,#1
2⤵
PID:3720

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3720-130-0x0000000000000000-mapping.dmp

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