Overview

overview

10

Static

static

3

chrome.exe

windows11-21h2-x64

10

Resubmissions

02/04/2025, 19:18

250402-x1fajsvmt9 10

22/03/2025, 04:45

250322-fdd1jaxzax 10

22/03/2025, 04:32

250322-e5x22sxydw 10

22/03/2025, 01:50

250322-b9qa8ayrs5 10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    chrome.exe

  • Size

    4.1MB

  • Sample

    250402-x1fajsvmt9

  • MD5

    d162022a4f77fe568e3644c8ddccfc91

  • SHA1

    940b43d35e0bd31d108b5758339494e1b990ac21

  • SHA256

    780044208370ddc653095749d6e17ba029364d169891c8fcf2ff10974e0800ab

  • SHA512

    81db20a0cf1ba119769a86b1c24a1106a2a13c0dd4c42285128cd506c385e596466f5bafae196ec22187fbd729eb5167295b6d9850d04d92c1c67540bba8573e

  • SSDEEP

    98304:bhmbefkYYSmghDECMUVXhxEt3/PGrcFEXdA+Sif2g07:bf8YbmGlhVmv+r1XyNi+g07

Score
10/10
bootkitdefense_evasiondiscoveryevasionexecutionexploitpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      chrome.exe

    • Size

      4.1MB

    • MD5

      d162022a4f77fe568e3644c8ddccfc91

    • SHA1

      940b43d35e0bd31d108b5758339494e1b990ac21

    • SHA256

      780044208370ddc653095749d6e17ba029364d169891c8fcf2ff10974e0800ab

    • SHA512

      81db20a0cf1ba119769a86b1c24a1106a2a13c0dd4c42285128cd506c385e596466f5bafae196ec22187fbd729eb5167295b6d9850d04d92c1c67540bba8573e

    • SSDEEP

      98304:bhmbefkYYSmghDECMUVXhxEt3/PGrcFEXdA+Sif2g07:bf8YbmGlhVmv+r1XyNi+g07

    Score
    10/10
    bootkitdefense_evasiondiscoveryevasionexecutionexploitpersistenceprivilege_escalationransomwaretrojan

    • Disables service(s)

      defense_evasionexecution

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • Modifies Windows Defender TamperProtection settings

      evasiontrojan

    • Modifies Windows Defender notification settings

      defense_evasiontrojan

    • Modifies security service

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Blocklisted process makes network request

    • 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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables cmd.exe use via registry modification

      defense_evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      defense_evasion

    • Possible privilege escalation attempt

      exploit

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Modifies Security services

      Modifies the startup behavior of a security service.

      defense_evasion

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

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

7
T1543

Windows Service

7
T1543.003

Event Triggered Execution

3
T1546

Accessibility Features

1
T1546.008

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

7
T1543

Windows Service

7
T1543.003

Event Triggered Execution

3
T1546

Accessibility Features

1
T1546.008

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

7
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

5
T1562.001

Modify Registry

12
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Service Stop

1
T1489

Tasks