Overview

overview

10

Static

static

1

Desktop Sc...13.png

windows11-21h2-x64

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General

  • Target

    Desktop Screenshot 2024.03.30 - 11.04.22.13.png

  • Size

    166KB

  • Sample

    240519-jabyjsge3x

  • MD5

    5af238960958cd22200c935c7f41aed2

  • SHA1

    619fc5553ac502ca819abc59b4fc5df94f0eadc1

  • SHA256

    472c8c9174eef38f676be188f8c62fbc3ff6ec78da863b1f022823dd5cda5679

  • SHA512

    e03fa2478b7830c22e4ac8be5e9ac2c507097159db9e0aa8a5ccbfe7f146ff0de7e134378c8d05248e31282383715e73d80a78b916a107a9e7afe823d0f913b2

  • SSDEEP

    3072:y9dPddwqNGJWDzJbhx85o9dBNtxJQfFP5u3NcrJnHl8zrFBksmCTzl:IZB9Ddp9trwPs3GrJHl8HFBksmCTzl

Score
10/10
bootkitdiscoveryevasionexploitpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      Desktop Screenshot 2024.03.30 - 11.04.22.13.png

    • Size

      166KB

    • MD5

      5af238960958cd22200c935c7f41aed2

    • SHA1

      619fc5553ac502ca819abc59b4fc5df94f0eadc1

    • SHA256

      472c8c9174eef38f676be188f8c62fbc3ff6ec78da863b1f022823dd5cda5679

    • SHA512

      e03fa2478b7830c22e4ac8be5e9ac2c507097159db9e0aa8a5ccbfe7f146ff0de7e134378c8d05248e31282383715e73d80a78b916a107a9e7afe823d0f913b2

    • SSDEEP

      3072:y9dPddwqNGJWDzJbhx85o9dBNtxJQfFP5u3NcrJnHl8zrFBksmCTzl:IZB9Ddp9trwPs3GrJHl8HFBksmCTzl

    Score
    10/10
    bootkitdiscoveryevasionexploitpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

      exploit

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Modify Registry

5
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

File and Directory Permissions Modification

1
T1222

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks