General

  • Target

    170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c

  • Size

    1.8MB

  • Sample

    240722-fn1maazejk

  • MD5

    b85fa0d79d936b8b006c535d006c7f29

  • SHA1

    210085d4f3cf1cf08c34baa5bfba0b0fc5a6c639

  • SHA256

    170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c

  • SHA512

    263b04b455dd7af8455eca46ff9cf833d53a8a3d3c3a4bdf3cfc2edfcf6993c19f2ecc6f2a61ad4c35b57264e3e08f545358c994eb8078aeb1d0403b218da9a9

  • SSDEEP

    49152:K23fbpRhR0OiwF7BESrgRSzLBEF7YcMs6:3zhR9FdVOFSz

Malware Config

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

C2

http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Family

redline

Botnet

1307newbild

C2

185.215.113.67:40960

Extracted

Family

stealc

Botnet

QLL

C2

http://85.28.47.70

Attributes
  • url_path

    /744f169d372be841.php

Extracted

Family

redline

Botnet

LiveTraffic

C2

20.52.165.210:39030

Targets

    • Target

      170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c

    • Size

      1.8MB

    • MD5

      b85fa0d79d936b8b006c535d006c7f29

    • SHA1

      210085d4f3cf1cf08c34baa5bfba0b0fc5a6c639

    • SHA256

      170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c

    • SHA512

      263b04b455dd7af8455eca46ff9cf833d53a8a3d3c3a4bdf3cfc2edfcf6993c19f2ecc6f2a61ad4c35b57264e3e08f545358c994eb8078aeb1d0403b218da9a9

    • SSDEEP

      49152:K23fbpRhR0OiwF7BESrgRSzLBEF7YcMs6:3zhR9FdVOFSz

    • Amadey

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

    • Buer

      Buer is a new modular loader first seen in August 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks