Overview

overview

10

Static

static

1

r.0.-1.mca

windows11-21h2-x64

10

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General

  • Target
    r.0.-1.mca
  • Size 7.1MB
  • Sample260614-gap43acy6r
  • SHA256 afd99ad7387479424a70398ea313137679ff335613dd4ae376643d1b734fea82
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
matrixadwaredefense_evasiondiscoveryexecutionexploitlateral_movementpersistenceprivilege_escalationransomwarespywarestealertrojan

Malware Config

Targets

    • Target
      r.0.-1.mca
    • Size 7.1MB
    • SHA256 afd99ad7387479424a70398ea313137679ff335613dd4ae376643d1b734fea82
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwaredefense_evasiondiscoveryexecutionexploitmatrixlateral_movementpersistenceprivilege_escalationransomwarespywarestealertrojan

    • Family: Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

      ransomwarematrix

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • 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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Possible privilege escalation attempt

      exploit

    • Creates new service(s)

      persistenceexecution

    • Deletes itself

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Stops running service(s)

      defense_evasionexecution

    • Adds Run key to start application

      persistence

    • Contacts third-party web service commonly abused for C2

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

    • Remote Services: SMB/Windows Admin Shares

      Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

      lateral_movement

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Browser Extensions

1
T1176

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

4
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Power Settings

1
T1653

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

4
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

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

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

11
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

3
T1120

Query Registry

6
T1012

System Information Discovery

7
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Remote Services

1
T1021

SMB/Windows Admin Shares

1
T1021.002

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Service Stop

1
T1489

Tasks