Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/M...

windows10-1703-x64

10

Sharing

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General

  • Target

    https://github.com/MalwareStudio

  • Sample

    240523-tr5x3agg4w

Score
10/10
bootkitdiscoveryevasionexploitpersistence

Malware Config

Targets

    • Target

      https://github.com/MalwareStudio

    Score
    10/10
    bootkitdiscoveryevasionexploitpersistence

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

      exploit

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Drops file in System32 directory

    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

Defense Evasion

Modify Registry

2
T1112

File and Directory Permissions Modification

1
T1222

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks