Overview

overview

9

Static

static

3

test.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    test.exe
  • Size 152KB
  • Sample260723-3cam2sde85
  • SHA256 a907c99de1bd071d5dab230a301d9744392ff4c546eeec07d8b8288a6ad437b9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
bootkitdefense_evasionevasionexecutionimpactpersistenceransomware

Malware Config

Targets

    • Target
      test.exe
    • Size 152KB
    • SHA256 a907c99de1bd071d5dab230a301d9744392ff4c546eeec07d8b8288a6ad437b9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    bootkitdefense_evasionevasionexecutionimpactpersistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • 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

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Power Settings

1
T1653

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Hide Artifacts

1
T1564

Ignore Process Interrupts

1
T1564.011

Indicator Removal

4
T1070

File Deletion

4
T1070.004

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks