General

  • Target

    83a4c4955e180a527d9057901b5e1abfea25de6078856364d795ca53d68cd530.exe

  • Size

    1.8MB

  • Sample

    241122-c67xjasqcy

  • MD5

    1ff9879aba9138b20606b03471ec3d11

  • SHA1

    3b4e3eec402e23200372840a1ba15362a5171119

  • SHA256

    83a4c4955e180a527d9057901b5e1abfea25de6078856364d795ca53d68cd530

  • SHA512

    92f3ca8002886b6009568b3ae7970b683eaf3e1408a473a8cc8961a8c11179c29f86448d183b8e701af27ecba98b98e697e3af07759de512d6e53ae5f3f78ef3

  • SSDEEP

    49152:JW1lxogtOUV5vcxh5K1/l2HhM6auEqA6bggdR:JW1Dth/cTqlYMG7ngW

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

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      83a4c4955e180a527d9057901b5e1abfea25de6078856364d795ca53d68cd530.exe

    • Size

      1.8MB

    • MD5

      1ff9879aba9138b20606b03471ec3d11

    • SHA1

      3b4e3eec402e23200372840a1ba15362a5171119

    • SHA256

      83a4c4955e180a527d9057901b5e1abfea25de6078856364d795ca53d68cd530

    • SHA512

      92f3ca8002886b6009568b3ae7970b683eaf3e1408a473a8cc8961a8c11179c29f86448d183b8e701af27ecba98b98e697e3af07759de512d6e53ae5f3f78ef3

    • SSDEEP

      49152:JW1lxogtOUV5vcxh5K1/l2HhM6auEqA6bggdR:JW1Dth/cTqlYMG7ngW

    • Amadey

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

    • Amadey family

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Windows security modification

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks