General

  • Target

    cd76f05a2948f291245d29bcbd8f61f3280e91c31787c730b65525af56dacbde

  • Size

    1.8MB

  • Sample

    240706-nkz6caxgmn

  • MD5

    f5b545d705d9eb65864751dc06c581fc

  • SHA1

    5a1e0218d17f6bf8d2caa61f62f8ec9f8dde8f80

  • SHA256

    cd76f05a2948f291245d29bcbd8f61f3280e91c31787c730b65525af56dacbde

  • SHA512

    cf600b113d2d4808fae4e841234737508100ccbd00615844f80cbf5f38a911641ced0906660a67b69d74c850d760257fb55102fac36de3d61f0e68b982675d9a

  • SSDEEP

    49152:d600VbYNqsEV53kal9CLgM7D25DNAKEhQS0OodHtT:dIVJ3l9CUwD25Du0OoHT

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

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      cd76f05a2948f291245d29bcbd8f61f3280e91c31787c730b65525af56dacbde

    • Size

      1.8MB

    • MD5

      f5b545d705d9eb65864751dc06c581fc

    • SHA1

      5a1e0218d17f6bf8d2caa61f62f8ec9f8dde8f80

    • SHA256

      cd76f05a2948f291245d29bcbd8f61f3280e91c31787c730b65525af56dacbde

    • SHA512

      cf600b113d2d4808fae4e841234737508100ccbd00615844f80cbf5f38a911641ced0906660a67b69d74c850d760257fb55102fac36de3d61f0e68b982675d9a

    • SSDEEP

      49152:d600VbYNqsEV53kal9CLgM7D25DNAKEhQS0OodHtT:dIVJ3l9CUwD25Du0OoHT

    • 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.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks