General

  • Target

    FSFEK_random.exe

  • Size

    1.8MB

  • Sample

    250118-vp12rsymdv

  • MD5

    2c780bd0b93d85afbad23124cf8994c2

  • SHA1

    267288b40a48cdb0aee1bcf8972f4e25ff72f4ff

  • SHA256

    96a1eea0f525785429d36cff82916e54227be6a3750796e05d594e952a213ec2

  • SHA512

    d2eb2bb12b7484a10f9517c2bb1f1095e5d234aedfa7730b9196e95b004d3db0fb79095a97d1643ee13db04b66f1718f9ab1a479e6fa97f811a6fb503b91bbe9

  • SSDEEP

    49152:He5+t/pl8vQaHskaf98eUfLvELLgsuS0QJt5:He5+tRao2skaV8eSLv2gXG

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      FSFEK_random.exe

    • Size

      1.8MB

    • MD5

      2c780bd0b93d85afbad23124cf8994c2

    • SHA1

      267288b40a48cdb0aee1bcf8972f4e25ff72f4ff

    • SHA256

      96a1eea0f525785429d36cff82916e54227be6a3750796e05d594e952a213ec2

    • SHA512

      d2eb2bb12b7484a10f9517c2bb1f1095e5d234aedfa7730b9196e95b004d3db0fb79095a97d1643ee13db04b66f1718f9ab1a479e6fa97f811a6fb503b91bbe9

    • SSDEEP

      49152:He5+t/pl8vQaHskaf98eUfLvELLgsuS0QJt5:He5+tRao2skaV8eSLv2gXG

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks