50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 05:20

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General

Target

50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
Size

825KB
MD5

18c831a995dd68b2a9735e8a8299a481
SHA1

60f11fff7ad49d419ee43e162436c4b4d698bc5d
SHA256

50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e
SHA512

daaa2b018e752efe29f2fe5d5d31e9f23dde8fa10ebb182496ca2183b4e218392f63d648ac6071725f90495cab5b75d23e48179008047a87727ac25c97c6bb2c
SSDEEP

12288:pHknkweWXGOLrXaNtTirdXfMrQRrJt0WAbZUYLhzvgbz1/asb7Jm+yI07aq/:5kneWzrOTEdU2tt0nfxvgbzJzbVmaq/

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

pid process

2016 50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
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
T1067

Processes:

50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

description ioc process

File opened for modification \??\PhysicalDrive0 50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

Suspicious use of SetWindowsHookEx 25 IoCs

Processes:

50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

pid	process
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
2016	50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe

C:\Users\Admin\AppData\Local\Temp\50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe
"C:\Users\Admin\AppData\Local\Temp\50cc528a05385205e23990efcc58ab1793cc29f912674fc4339b9804b2d3ce3e.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
PID:2016

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr
Filesize
1.1MB

MD5
3fe72f93ab5f24a0ea2d753013a41c4b

SHA1
9206cd206c0b2782a2b1ad1d19ace97bae6e491e

SHA256
db32e8ea1d91009ca25b79d7e863a08be56632641a7a145326fbfbf0931b6c79

SHA512
24ce75304e6b5508d9bbf425a68b1907bc51f30c168dd3b800f34e1f7fc1aee044818848d1fde40e7556af5f16f94ea02d19344bd9ffda1a6d011a624d6f46e9

Download Submit
memory/2016-55-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/2016-56-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2016-57-0x0000000001C20000-0x0000000001C63000-memory.dmp

Filesize
268KB

Download
memory/2016-58-0x0000000001CA0000-0x0000000001CA5000-memory.dmp

Filesize
20KB

Download