Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://bonzi.link/B...

windows10-2004-x64

Sharing

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General

  • Target

    https://bonzi.link/Bon.zip

  • Sample

    240809-bhdhcaxerf

Score
10/10
discoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      https://bonzi.link/Bon.zip

    Score
    10/10
    discoveryevasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • 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

    • Disables RegEdit via registry modification

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • 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)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks