fe5cf24b49fca53242d539070190b5f0aea3f1c09cfa319a78e31fc2d91e6a3c

Analysis

max time kernel
4265060s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
17/01/2022, 10:26

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General

Target
c04dc755febd2357c76f6c8d409db476.dll
Size 472KB
Sample220117-mgjthshgek
SHA256 fe5cf24b49fca53242d539070190b5f0aea3f1c09cfa319a78e31fc2d91e6a3c
MD5 c04dc755febd2357c76f6c8d409db476
SHA1 15784281d17e7956c4dcc75916ec88f9f2590bde
SHA512 e8542b1812258f76c4e76d37b8cdd82be7facc460f5cf21cc708ce9a67c07bebe4f5a156f7b83a7aaa0ba73a3e73a4b99e490f22c7469130af8578418e906b5d
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	4028	MusNotification.exe
Token: SeCreatePagefilePrivilege	4028	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2596	1096	regsvr32.exe	52
PID 1096 wrote to memory of 2596	1096	regsvr32.exe	52
PID 1096 wrote to memory of 2596	1096	regsvr32.exe	52
PID 2596 wrote to memory of 3376	2596	regsvr32.exe	53
PID 2596 wrote to memory of 3376	2596	regsvr32.exe	53
PID 2596 wrote to memory of 3376	2596	regsvr32.exe	53

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c04dc755febd2357c76f6c8d409db476.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c04dc755febd2357c76f6c8d409db476.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\c04dc755febd2357c76f6c8d409db476.dll",DllRegisterServer
    3⤵
    PID:3376

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:4028

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/2596-131-0x0000000002B51000-0x0000000002B75000-memory.dmp

Download

memory/2596-132-0x0000000002B75000-0x0000000002B76000-memory.dmp