General

  • Target

    a829e4c662ac8f6faa8699b7a5d00487cbf478c7845639afd80f40a96c2c6314

  • Size

    1.8MB

  • Sample

    240708-s32jcawcjq

  • MD5

    757f36e64d30cf299b25fced0137f062

  • SHA1

    cc21e15ab5f98a94a31cef931f8ca423102dfb30

  • SHA256

    a829e4c662ac8f6faa8699b7a5d00487cbf478c7845639afd80f40a96c2c6314

  • SHA512

    d757159c3a813335ca144ebe86285ef98e8187ad48fc5003bf9de1b20f23c29df24c2223988656f81469badc9527504cd0d2dc03ea5275dae6dd2f3dfd57c672

  • SSDEEP

    49152:iRo6rqIO02vcGoEmwr5u7CXDLHSTjSdA7usibqoAPxoutOrSm1:Wfq71dmWuOyedA7usUqZoA9Y

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

      a829e4c662ac8f6faa8699b7a5d00487cbf478c7845639afd80f40a96c2c6314

    • Size

      1.8MB

    • MD5

      757f36e64d30cf299b25fced0137f062

    • SHA1

      cc21e15ab5f98a94a31cef931f8ca423102dfb30

    • SHA256

      a829e4c662ac8f6faa8699b7a5d00487cbf478c7845639afd80f40a96c2c6314

    • SHA512

      d757159c3a813335ca144ebe86285ef98e8187ad48fc5003bf9de1b20f23c29df24c2223988656f81469badc9527504cd0d2dc03ea5275dae6dd2f3dfd57c672

    • SSDEEP

      49152:iRo6rqIO02vcGoEmwr5u7CXDLHSTjSdA7usibqoAPxoutOrSm1:Wfq71dmWuOyedA7usUqZoA9Y

    • 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