General

  • Target

    c21653cb2ecc86d7eabf5f6c30a2a4bbf63c1f443d9e2c4983906ff61c1f0fd3

  • Size

    5.7MB

  • Sample

    250125-p78axatmbx

  • MD5

    be4aa0e2805e40c4f8789a1528365dd1

  • SHA1

    0148f94dc87cfe4f6c7bc3926973cc6f983005eb

  • SHA256

    c21653cb2ecc86d7eabf5f6c30a2a4bbf63c1f443d9e2c4983906ff61c1f0fd3

  • SHA512

    bd31bf5f2b97af7ec8e2d54cf0b13ca62184c7fcb76b79eb9e3adaf95b8788e8823627910abb117d363f94ebe550d55b1116fee3aade4aae36b01a12735c1f0b

  • SSDEEP

    98304:+dgU5kV7piyehY9+KG3GkXTYnYKymXfQpiCDK9MQMho5vO4MiD5zufa3SKEpAPrK:+dFeVjeh4PaRkhX4Vm9MQ2o5IpfUSKlW

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

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

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      c21653cb2ecc86d7eabf5f6c30a2a4bbf63c1f443d9e2c4983906ff61c1f0fd3

    • Size

      5.7MB

    • MD5

      be4aa0e2805e40c4f8789a1528365dd1

    • SHA1

      0148f94dc87cfe4f6c7bc3926973cc6f983005eb

    • SHA256

      c21653cb2ecc86d7eabf5f6c30a2a4bbf63c1f443d9e2c4983906ff61c1f0fd3

    • SHA512

      bd31bf5f2b97af7ec8e2d54cf0b13ca62184c7fcb76b79eb9e3adaf95b8788e8823627910abb117d363f94ebe550d55b1116fee3aade4aae36b01a12735c1f0b

    • SSDEEP

      98304:+dgU5kV7piyehY9+KG3GkXTYnYKymXfQpiCDK9MQMho5vO4MiD5zufa3SKEpAPrK:+dFeVjeh4PaRkhX4Vm9MQ2o5IpfUSKlW

    • 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)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • 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