General

  • Target

    Glacier.exe

  • Size

    2.2MB

  • Sample

    231102-d8kepafg3z

  • MD5

    b88b7cce760040297a7d95095b0fb632

  • SHA1

    7464d4361a0c5c4a5705e8f3b5869277a4334fdd

  • SHA256

    7f600ecc5bc6f42afd950d8176e952c73b4536f0fc504c96b8a92e9970fab601

  • SHA512

    d8a5cb39dafa50079753892069eb48cc47400f7424e0c13b36f3b679a98af288adc2bd9e9d40865d512814565e77c87987db2c0282304edee76e77831dd2abad

  • SSDEEP

    49152:vsmxJVOuMisx4Lk3wTDjOpeN9pQ4i8780OFNlooUymRBfQzZVswY6vsAOjtZ:0mxO4Lkw2peDpQvNI+r1YXAOjX

Malware Config

Targets

    • Target

      Glacier.exe

    • Size

      2.2MB

    • MD5

      b88b7cce760040297a7d95095b0fb632

    • SHA1

      7464d4361a0c5c4a5705e8f3b5869277a4334fdd

    • SHA256

      7f600ecc5bc6f42afd950d8176e952c73b4536f0fc504c96b8a92e9970fab601

    • SHA512

      d8a5cb39dafa50079753892069eb48cc47400f7424e0c13b36f3b679a98af288adc2bd9e9d40865d512814565e77c87987db2c0282304edee76e77831dd2abad

    • SSDEEP

      49152:vsmxJVOuMisx4Lk3wTDjOpeN9pQ4i8780OFNlooUymRBfQzZVswY6vsAOjtZ:0mxO4Lkw2peDpQvNI+r1YXAOjX

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

    • Sets service image path in registry

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks