76dc9543c734253c56152bc2aad6f26e044479f7c58e1773e83b3598d6fe7b3f

Analysis

max time kernel
4265091s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
17/01/2022, 17:06

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General

Target
382618b487610e890aea7bc19e8d08b3.dll
Size 574KB
Sample220117-vmeqrabch8
SHA256 76dc9543c734253c56152bc2aad6f26e044479f7c58e1773e83b3598d6fe7b3f
MD5 382618b487610e890aea7bc19e8d08b3
SHA1 ca9312767e596c1270d302f59bec8fede6393839
SHA512 cfd1a8e343433220ad801439c98088196492e27d7ccf045dc96e4b4ed10a5abad50fe4954b5a28dcd3a26de0efab9b7cfaed9ba5b1c8f256b8576e61798a9f47
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	3928	MusNotification.exe
Token: SeCreatePagefilePrivilege	3928	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 3092	4088	regsvr32.exe	53
PID 4088 wrote to memory of 3092	4088	regsvr32.exe	53
PID 4088 wrote to memory of 3092	4088	regsvr32.exe	53
PID 3092 wrote to memory of 2784	3092	regsvr32.exe	54
PID 3092 wrote to memory of 2784	3092	regsvr32.exe	54
PID 3092 wrote to memory of 2784	3092	regsvr32.exe	54

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\382618b487610e890aea7bc19e8d08b3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\382618b487610e890aea7bc19e8d08b3.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\382618b487610e890aea7bc19e8d08b3.dll",DllRegisterServer
    3⤵
    PID:2784

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3928

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/3092-132-0x00000000043C5000-0x00000000043C6000-memory.dmp

Download

memory/3092-131-0x00000000043A1000-0x00000000043C5000-memory.dmp