General

  • Target

    e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c

  • Size

    1.8MB

  • Sample

    240907-t39ematarq

  • MD5

    8b4b03591154cb83c632108802d51c76

  • SHA1

    b509f7ca854edd5d4f129bf31ca74639a0c4bf4b

  • SHA256

    e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c

  • SHA512

    a677c838dec7cc8dbb24ee566fbba73960d8a75e2365412fcf02034acdb559fa8773548bced284d4badaa863fda8d03da2647b87a5dadd9176cb0b86a3b76740

  • SSDEEP

    49152:aOpa795XsUVcvwUYTYq3R19dFRpCohKyH6xvn9ygC77br:9pa7EEYqBVFrCDjrC7b

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c

    • Size

      1.8MB

    • MD5

      8b4b03591154cb83c632108802d51c76

    • SHA1

      b509f7ca854edd5d4f129bf31ca74639a0c4bf4b

    • SHA256

      e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c

    • SHA512

      a677c838dec7cc8dbb24ee566fbba73960d8a75e2365412fcf02034acdb559fa8773548bced284d4badaa863fda8d03da2647b87a5dadd9176cb0b86a3b76740

    • SSDEEP

      49152:aOpa795XsUVcvwUYTYq3R19dFRpCohKyH6xvn9ygC77br:9pa7EEYqBVFrCDjrC7b

    • Amadey

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

    • 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.

    • 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

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks