2a3f928955893e6810408be597a7b15008d5b1999d1b70e3f7a73fcf8cddde58

Analysis

max time kernel
131s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 19:39

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General

Target

K8Update.exe
Size

363KB
MD5

0b67cb42d1628a76ddff6229da70f0ef
SHA1

0fc4269ee3fe9046d4230ef1fa02f18f4cc68e82
SHA256

644caf827a79f88365b5e20a7604346b7d39d009cd980ac801bc99ca02893ca0
SHA512

c14a10c7cd8974832e1bf7a2a17a73a6cce6a511c5ff369ae54223d140378e28d8e7e6a816d9bfc9171d835cd2affea22b82d422a67fa145f172e78f709795ec
SSDEEP

6144:A9thbRKDi3qbYWev+O8cEKqliyzqZ7uRFlilNtt2Z:QCWYxeEHA6u3

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	K8Update.exe

C:\Users\Admin\AppData\Local\Temp\K8Update.exe
"C:\Users\Admin\AppData\Local\Temp\K8Update.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:532

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

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Downloads

memory/532-0-0x0000000000A30000-0x0000000000D50000-memory.dmp

Filesize
3.1MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads