Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://link-center....

windows10-1703-x64

10

Sharing

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General

  • Target

    https://link-center.net/858435/download-aculias-new-file

  • Sample

    230717-157r5sfa45

Score
10/10
cobaltstrikebackdoorcoreentitypersistencepyinstallertrojan

Malware Config

Targets

    • Target

      https://link-center.net/858435/download-aculias-new-file

    Score
    10/10
    cobaltstrikebackdoorcoreentitypersistencepyinstallertrojan

    • Cobalt Strike reflective loader

      Detects the reflective loader used by Cobalt Strike.

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • 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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks