General

  • Target

    79ff0c1dc17f2c4e7ef9fa992c07b342f95f57785462b674a2a08ad790524894

  • Size

    1.8MB

  • Sample

    250211-nx5llaxjgp

  • MD5

    9721beba0b7a219a35c41371d585a2f5

  • SHA1

    f118509f664bab11dbff277d5f8b8c2ff66d3d7c

  • SHA256

    79ff0c1dc17f2c4e7ef9fa992c07b342f95f57785462b674a2a08ad790524894

  • SHA512

    665b665091ee32fef90627dd28bbf27797e7d0c5a59da197d8f569852642e0d9635946efbfe2987b8de84fba7572f6a74367294f9d6402d7462dfe8d318b66a1

  • SSDEEP

    49152:M02cpNq6bgFowaHmDyWPD/I5n7FAv1h5GGy:9gFjDyW7I5npAv1X1

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      79ff0c1dc17f2c4e7ef9fa992c07b342f95f57785462b674a2a08ad790524894

    • Size

      1.8MB

    • MD5

      9721beba0b7a219a35c41371d585a2f5

    • SHA1

      f118509f664bab11dbff277d5f8b8c2ff66d3d7c

    • SHA256

      79ff0c1dc17f2c4e7ef9fa992c07b342f95f57785462b674a2a08ad790524894

    • SHA512

      665b665091ee32fef90627dd28bbf27797e7d0c5a59da197d8f569852642e0d9635946efbfe2987b8de84fba7572f6a74367294f9d6402d7462dfe8d318b66a1

    • SSDEEP

      49152:M02cpNq6bgFowaHmDyWPD/I5n7FAv1h5GGy:9gFjDyW7I5npAv1X1

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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