a569b9a917af48f77d2af8e7b3d7aa060b4e9da5c5d5f0aee9cb60036e80d161

Analysis

max time kernel
4265073s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
17/01/2022, 22:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
fa32794dcda725d2785ff7b08abb84b6.dll
Size 479KB
Sample220117-2bed6sdgaj
SHA256 a569b9a917af48f77d2af8e7b3d7aa060b4e9da5c5d5f0aee9cb60036e80d161
MD5 fa32794dcda725d2785ff7b08abb84b6
SHA1 f280e78381ebfab4b42171c5d8a597a234c942d8
SHA512 1aa0d10a457807ec70414d5b8282faa5278fb1c95c4f10d898621eb984b2e4f4fabbb829273bfcc260a6b3f9eea0bdaa85bec47da47f3e75c61a67f86ff6cce1
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 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	1940	MusNotification.exe
Token: SeCreatePagefilePrivilege	1940	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3544	1596	regsvr32.exe	56
PID 1596 wrote to memory of 3544	1596	regsvr32.exe	56
PID 1596 wrote to memory of 3544	1596	regsvr32.exe	56
PID 3544 wrote to memory of 2032	3544	regsvr32.exe	58
PID 3544 wrote to memory of 2032	3544	regsvr32.exe	58
PID 3544 wrote to memory of 2032	3544	regsvr32.exe	58

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fa32794dcda725d2785ff7b08abb84b6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fa32794dcda725d2785ff7b08abb84b6.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\fa32794dcda725d2785ff7b08abb84b6.dll",DllRegisterServer
    3⤵
    PID:2032

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1940

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

Loading Replay Monitor...

Downloads

memory/3544-132-0x0000000004235000-0x0000000004236000-memory.dmp

Download

memory/3544-131-0x0000000004211000-0x0000000004235000-memory.dmp