Overview

overview

10

Static

static

URLScan

urlscan

1

https://www.xunlei.c...

windows10-1703-x64

10

Sharing

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General

  • Target

    https://www.xunlei.com/

  • Sample

    220913-cq85naacbr

Score
10/10
egregorbootkitdiscoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      https://www.xunlei.com/

    Score
    10/10
    egregorbootkitdiscoveryevasionpersistenceransomwaretrojan

    • Detected Egregor ransomware

    • Egregor Ransomware

      Variant of the Sekhmet ransomware first seen in September 2020.

      ransomwareegregor

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks