Overview

overview

9

Static

static

1

URLScan

urlscan

1

https://linkvertise....

windows10-2004-x64

9

Sharing

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General

  • Target

    https://linkvertise.download/download/256968/ui-strongest-battleground/GViq9Cln5bNKc0kVyTG7tUSDaC85hnKQ

  • Sample

    230723-f1lc5adh9v

Score
9/10
coreentitydiscoverypersistence

Malware Config

Targets

    • Target

      https://linkvertise.download/download/256968/ui-strongest-battleground/GViq9Cln5bNKc0kVyTG7tUSDaC85hnKQ

    Score
    9/10
    coreentitydiscoverypersistence

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks