Overview

overview

9

Static

static

1

URLScan

urlscan

1

https://link-center....

windows10-2004-x64

9

Sharing

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General

  • Target

    https://link-center.net/181916/optus

  • Sample

    230818-ynd3dseh6x

Score
9/10
coreentitypersistence

Malware Config

Targets

    • Target

      https://link-center.net/181916/optus

    Score
    9/10
    coreentitypersistence

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

      persistence

    • Looks up external IP address via web service

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks