General

  • Target

    https://d1vdn3r1396bak.cloudfront.net/installer/41310275048401949/6097547

  • Sample

    230712-v7qczsfb9v

Malware Config

Targets

    • Target

      https://d1vdn3r1396bak.cloudfront.net/installer/41310275048401949/6097547

    • CoreEntity .NET Packer

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Impact

Service Stop

1
T1489

Tasks