General

  • Target

    bed935b2f56cefb81472fbee6327c35db4e82a57fd97c5caa133977a9db6a5fc

  • Size

    1.8MB

  • Sample

    241212-k4rfrs1phl

  • MD5

    bf698063d67816dfb55d93238f45b46c

  • SHA1

    3d5d42d1b4357d294e22c43953e667b98cc0371b

  • SHA256

    bed935b2f56cefb81472fbee6327c35db4e82a57fd97c5caa133977a9db6a5fc

  • SHA512

    e2b9d3b285d7cb4ca90645f1a2dca6160a9a3a83246a96cb74f53dd0833c4cd1c44968bb372fcbbd85ef64a8dd7b16a44f31bd6ab033ff93b56312da8de70cce

  • SSDEEP

    49152:HkBNvrVFlVXTNbDaIrY7DgjIiWqGPD8PSnaA6HCerO:Hk/lVXTND5rY7DgjkDySaJB

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      bed935b2f56cefb81472fbee6327c35db4e82a57fd97c5caa133977a9db6a5fc

    • Size

      1.8MB

    • MD5

      bf698063d67816dfb55d93238f45b46c

    • SHA1

      3d5d42d1b4357d294e22c43953e667b98cc0371b

    • SHA256

      bed935b2f56cefb81472fbee6327c35db4e82a57fd97c5caa133977a9db6a5fc

    • SHA512

      e2b9d3b285d7cb4ca90645f1a2dca6160a9a3a83246a96cb74f53dd0833c4cd1c44968bb372fcbbd85ef64a8dd7b16a44f31bd6ab033ff93b56312da8de70cce

    • SSDEEP

      49152:HkBNvrVFlVXTNbDaIrY7DgjIiWqGPD8PSnaA6HCerO:Hk/lVXTND5rY7DgjkDySaJB

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • 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.

    • Drops startup file

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks