Overview

overview

10

Static

static

1

battery.hta

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    battery.hta
  • Size 2KB
  • Sample261102-dcvksazwev
  • SHA256 e27754f14c2583d18e2a26a3056ccc643d16cd9e75c5c74dfdef918a6c1f35f7
  • MD5 SHA1 SHA512 TLSH
Score
10/10
bootkitdefense_evasiondiscoveryevasionexecutionpersistenceransomwaretrojan

Malware Config

Targets

    • Target
      battery.hta
    • Size 2KB
    • SHA256 e27754f14c2583d18e2a26a3056ccc643d16cd9e75c5c74dfdef918a6c1f35f7
    • MD5 SHA1 SHA512 TLSH
    Score
    10/10
    bootkitdefense_evasiondiscoveryevasionexecutionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Disables Task Manager via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Executes a VBScript file via the Windows Script Host.

      execution

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Visual Basic

1
T1059.005

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks