cebc9dccf2e733f226d16d91bb03a2e378e9b740e098eaaaf25f794556beac11

Analysis

max time kernel
4265059s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
17/01/2022, 09:28

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General

Target
obe4WFpXYSWLviR.dll
Size 472KB
Sample220117-lfchdahcb4
SHA256 cebc9dccf2e733f226d16d91bb03a2e378e9b740e098eaaaf25f794556beac11
MD5 d61fd19b922c21819bc4d2b1098cf5c3
SHA1 b64f6e13fadf3a8a75f298f86afdc3670bdb0d98
SHA512 f6e76d122715c9f6c1f7c18c330dda7bf2744599df69a98395a4de6d2714b3f02e4bc91653ec4ebbf171f2c1517b54b453a7534ddcde70c7902d1bf412aa78e8
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	2144	MusNotification.exe
Token: SeCreatePagefilePrivilege	2144	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1200	1644	regsvr32.exe	54
PID 1644 wrote to memory of 1200	1644	regsvr32.exe	54
PID 1644 wrote to memory of 1200	1644	regsvr32.exe	54
PID 1200 wrote to memory of 1940	1200	regsvr32.exe	55
PID 1200 wrote to memory of 1940	1200	regsvr32.exe	55
PID 1200 wrote to memory of 1940	1200	regsvr32.exe	55

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\obe4WFpXYSWLviR.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\obe4WFpXYSWLviR.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\obe4WFpXYSWLviR.dll",DllRegisterServer
    3⤵
    PID:1940

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:2144

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/1200-132-0x0000000004525000-0x0000000004526000-memory.dmp

Download

memory/1200-131-0x0000000004501000-0x0000000004525000-memory.dmp