General

  • Target

    a910c223916055ed02d5250796d448f69ea71343e6b04dae186a48b7c4849da5

  • Size

    3.1MB

  • Sample

    250225-sjvxfssks2

  • MD5

    f5cfbc21599890169a82cc9ab71c9b88

  • SHA1

    fdd1077dc1db11bf529e7e029b76f562bfb7d1ad

  • SHA256

    a910c223916055ed02d5250796d448f69ea71343e6b04dae186a48b7c4849da5

  • SHA512

    366d00b328e443db021df1aeef439b365cb523686a38803788aacbd28291252a3f08208cb30a24db31977056adf59872965d8e86173d1b142026f4838aebb246

  • SSDEEP

    49152:aARlCEyH9bZv2tWPo/jc8AJISpnTcyGFCLfVA4aqq:aKnsZv8WQ/jc8AJIADLfVq

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      a910c223916055ed02d5250796d448f69ea71343e6b04dae186a48b7c4849da5

    • Size

      3.1MB

    • MD5

      f5cfbc21599890169a82cc9ab71c9b88

    • SHA1

      fdd1077dc1db11bf529e7e029b76f562bfb7d1ad

    • SHA256

      a910c223916055ed02d5250796d448f69ea71343e6b04dae186a48b7c4849da5

    • SHA512

      366d00b328e443db021df1aeef439b365cb523686a38803788aacbd28291252a3f08208cb30a24db31977056adf59872965d8e86173d1b142026f4838aebb246

    • SSDEEP

      49152:aARlCEyH9bZv2tWPo/jc8AJISpnTcyGFCLfVA4aqq:aKnsZv8WQ/jc8AJIADLfVq

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • 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 user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks