9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
15/08/2023, 11:35

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General

Target

9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe
Size

8.7MB
MD5

3a353cc0c5a115a2a61a20733a30568e
SHA1

25fdfb71df7b99c8dba9b8a8cc847254729f2299
SHA256

9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c
SHA512

1ceb15adcf8bf018a2fde31822169ac569677fea56a04496c75babbeed8c260f04cf53c89bb57e368f02136d9e83eb956e60d892bf2716970bd16611bf4de6db
SSDEEP

98304:h7ZAKaep+THQCeCUzUgKCn3mHZ/soevtmXpGmhJEPOZqzwLpB1hHNgxRJBAUZL:NZmMe9CKZAtoG8Vxf1htgzJV

Score

6^/10

bootkit 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	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	1640	WerFault.exe	27

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe
1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2992	1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe	29
PID 1640 wrote to memory of 2992	1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe	29
PID 1640 wrote to memory of 2992	1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe	29
PID 1640 wrote to memory of 2992	1640	9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe	29

C:\Users\Admin\AppData\Local\Temp\9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe
"C:\Users\Admin\AppData\Local\Temp\9fc354d4780eaa661ed2c7af461c60d4b3ac3287a0201aedba3192b15561c72c.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 808
  2⤵
  - Program crash
  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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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