Overview

overview

10

Static

static

1

pfp.png

windows10-2004-x64

pfp.png

windows11-ltsc_2024-x64

10

Resubmissions

30/07/2026, 17:28

260730-v11kdatbre1

22/07/2026, 21:43

260722-1lbwcshn3v5

22/07/2026, 21:40

260722-1jgnts1wby3

22/07/2026, 21:40

260722-1h75ds1wbt1

22/07/2026, 01:20

260722-bqa27ahd5910

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General

  • Target
    pfp.png
  • Size 57KB
  • Sample260722-bqa27ahd59
  • SHA256 e71efafee2808c59060a12ed4601f4eeda0b02c4600fa136a00121eadc4f0d27
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
killmbradwarebootkitdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywarestealertrojanupxwiper

Malware Config

Targets

    • Target
      pfp.png
    • Size 57KB
    • SHA256 e71efafee2808c59060a12ed4601f4eeda0b02c4600fa136a00121eadc4f0d27
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationupxadwarebootkitkillmbrransomwarespywarestealertrojanwiper

    • Detects KillMBR

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

      wipertrojankillmbr

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      defense_evasion

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

2
T1120

Query Registry

6
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks