General

  • Target

    b1b0763774471a8d19f6a72fc61c1360cdbbb795ce2a0cc1cb42b4147c227e2d

  • Size

    1.8MB

  • Sample

    240723-pqwwjszcrj

  • MD5

    3ffa502d38a0841f54f2bb96f34eda85

  • SHA1

    d152f8ac6b6c1ecb8f80b77f2182e6e42e43b731

  • SHA256

    b1b0763774471a8d19f6a72fc61c1360cdbbb795ce2a0cc1cb42b4147c227e2d

  • SHA512

    5a4896936a85baab8e322618683ac72091d968253f2cab2227c7126365c07ae9ce3f19ab3f0a4f1d690773d7ad702b70da786f68e0c60058d2d59dc2f08a6dca

  • SSDEEP

    49152:jGgRd+om5zN3V9dOjDMxzZeCCWWDa+DhBsxVbeCee:jXRd+T71eTuaMe

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

sila

C2

http://85.28.47.31

Attributes
  • url_path

    /5499d72b3a3e55be.php

Targets

    • Target

      b1b0763774471a8d19f6a72fc61c1360cdbbb795ce2a0cc1cb42b4147c227e2d

    • Size

      1.8MB

    • MD5

      3ffa502d38a0841f54f2bb96f34eda85

    • SHA1

      d152f8ac6b6c1ecb8f80b77f2182e6e42e43b731

    • SHA256

      b1b0763774471a8d19f6a72fc61c1360cdbbb795ce2a0cc1cb42b4147c227e2d

    • SHA512

      5a4896936a85baab8e322618683ac72091d968253f2cab2227c7126365c07ae9ce3f19ab3f0a4f1d690773d7ad702b70da786f68e0c60058d2d59dc2f08a6dca

    • SSDEEP

      49152:jGgRd+om5zN3V9dOjDMxzZeCCWWDa+DhBsxVbeCee:jXRd+T71eTuaMe

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • 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.

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks