3eabc69c185cd59d526f982c64ddea5f36a71a0f9c918c3b455e2b8db737645e

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 06:18

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General

Target

EAC拔苗成长指引 v3.58/其它/外部接口aspi驱动/WNASPI32.dll
Size

156KB
MD5

a6d7ac2c5b1e807b0feec08c44856044
SHA1

7d49e6973ef5b42bb82d7923079b5e4e59d31dc6
SHA256

67cef80e4f8c0be01391d57a9042179093e335d77246d31b8ad9f2db9a7e2912
SHA512

2d073c4cd4b4e0d96bbc3f6cd71cf0dae84384b1fd5a1c3602293590272e7cde6de87930ddfaa3359ba52fed68a7f6957039bb04004a17086bdfa078e37973c2
SSDEEP

3072:o4vMB3X9rtx4jZVmdWrrW8X99L+TTvUAl1GmvBsjgrC/oRCT8/R:TS3XJ4jZVk8X99L4t1G4r4+

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2992	4488	rundll32.exe	82
PID 4488 wrote to memory of 2992	4488	rundll32.exe	82
PID 4488 wrote to memory of 2992	4488	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\EAC拔苗成长指引 v3.58\其它\外部接口aspi驱动\WNASPI32.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\EAC拔苗成长指引 v3.58\其它\外部接口aspi驱动\WNASPI32.dll",#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads