Overview

overview

10

Static

static

1

$RK94PW4.zip

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    $RK94PW4.zip

  • Size

    184B

  • Sample

    241227-egjvhs1ndv

  • MD5

    6ce6f415d8475545be5ba114f208b0ff

  • SHA1

    d27265074c9eac2e2122ed69294dbc4d7cce9141

  • SHA256

    2546dcffc5ad854d4ddc64fbf056871cd5a00f2471cb7a5bfd4ac23b6e9eedad

  • SHA512

    d9305862fe0bf552718d19db43075d88cffd768974627db60fa1a90a8d45563e035a6449663b8f66aac53791d77f37dbb5035159aa08e69fc473972022f80010

Score
10/10
bootkitdefense_evasiondiscoveryevasionexecutionimpactpersistencephishingprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      $RK94PW4.zip

    • Size

      184B

    • MD5

      6ce6f415d8475545be5ba114f208b0ff

    • SHA1

      d27265074c9eac2e2122ed69294dbc4d7cce9141

    • SHA256

      2546dcffc5ad854d4ddc64fbf056871cd5a00f2471cb7a5bfd4ac23b6e9eedad

    • SHA512

      d9305862fe0bf552718d19db43075d88cffd768974627db60fa1a90a8d45563e035a6449663b8f66aac53791d77f37dbb5035159aa08e69fc473972022f80010

    Score
    10/10
    bootkitdefense_evasiondiscoveryevasionexecutionimpactpersistencephishingprivilege_escalationransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      evasion

    • A potential corporate email address has been identified in the URL: swiper@11

      phishing

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • 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.

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

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

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

2
T1546

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

Direct Volume Access

1
T1006

Impair Defenses

4
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Safe Mode Boot

1
T1562.009

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

3
T1490

Tasks