General

  • Target

    9cb1e9efca58664ea398f169f11164922473ffa5c3f384a597435f8f48d4a072

  • Size

    5.1MB

  • Sample

    241212-nhr2ysvkdk

  • MD5

    bcac07d9766b9942c61d678686d3cf26

  • SHA1

    8a46f90061f869b400d6b5c586a1894b2dc99bba

  • SHA256

    9cb1e9efca58664ea398f169f11164922473ffa5c3f384a597435f8f48d4a072

  • SHA512

    7d55ea57769c1c9cbb17b9955b859be9fbcce3c90383982ffa8f7b17cf329f65b37179bff81ed3b0c5871a6249db9aafc66c906d201c83b3a91616ab27ca4076

  • SSDEEP

    98304:STBk+WF4z7K2t+U3v/Tzpc/f95iLk+BprFGP5BPz1mxdx14l2uOTDr:S9HWmTt+U3v/fpc/C1rFK95E4Ver

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      9cb1e9efca58664ea398f169f11164922473ffa5c3f384a597435f8f48d4a072

    • Size

      5.1MB

    • MD5

      bcac07d9766b9942c61d678686d3cf26

    • SHA1

      8a46f90061f869b400d6b5c586a1894b2dc99bba

    • SHA256

      9cb1e9efca58664ea398f169f11164922473ffa5c3f384a597435f8f48d4a072

    • SHA512

      7d55ea57769c1c9cbb17b9955b859be9fbcce3c90383982ffa8f7b17cf329f65b37179bff81ed3b0c5871a6249db9aafc66c906d201c83b3a91616ab27ca4076

    • SSDEEP

      98304:STBk+WF4z7K2t+U3v/Tzpc/f95iLk+BprFGP5BPz1mxdx14l2uOTDr:S9HWmTt+U3v/fpc/C1rFK95E4Ver

    • 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)

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks