General

  • Target

    https://cdn.discordapp.com/attachments/1239300375685759150/1240871911752466462/vast_cracked.rar?ex=66535846&is=665206c6&hm=cf1c78deac04a9f3f088e18872b03cc31c41db2f9c80a07a49487f107970b440&

  • Sample

    240525-yhbp3sfh9s

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1239300375685759150/1240871911752466462/vast_cracked.rar?ex=66535846&is=665206c6&hm=cf1c78deac04a9f3f088e18872b03cc31c41db2f9c80a07a49487f107970b440&

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Network Service Discovery

1
T1046

Command and Control

Web Service

1
T1102

Tasks