Overview

overview

10

Static

static

1

URLScan

urlscan

http://github malware

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    http://github malware
  • Sample261001-3fefeach34
Score
10/10
killmbrbootkitdefense_evasiondiscoverypersistenceransomwaretrojanwiper

Malware Config

Targets

    • Target
      http://github malware
    Score
    10/10
    bootkitdefense_evasiondiscoverykillmbrpersistenceransomwaretrojanwiper

    • Detects KillMBR

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

      wipertrojankillmbr

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • Contacts third-party web service commonly abused for C2

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks