General

  • Target

    fa9ace1399679c06348f90db37646c738fc709406ede9367e02c18067c2c6081

  • Size

    1.8MB

  • Sample

    241122-zl5yrsvlfl

  • MD5

    b4c91d3735c11a3932389cdde5058260

  • SHA1

    2450673980800da6c9ca01682342aebab53481c0

  • SHA256

    fa9ace1399679c06348f90db37646c738fc709406ede9367e02c18067c2c6081

  • SHA512

    d17fb2461d3b04ab7152dd26f31e012d50de6ec08a7fc47e1a6c56186839ae70fa87a7a5fbc8eed6dbdf5383b0a79992f39bd97234e64e7aa3dda2db9e65f140

  • SSDEEP

    24576:op4oVLircQ3wpYTLedNutXvahrg+t+DxPdger94k3P6NhHSKl4gMRBfprvCNEMwJ:oTVivwa/u2ckg4g2h6Co4gMHpMwyJ

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

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      fa9ace1399679c06348f90db37646c738fc709406ede9367e02c18067c2c6081

    • Size

      1.8MB

    • MD5

      b4c91d3735c11a3932389cdde5058260

    • SHA1

      2450673980800da6c9ca01682342aebab53481c0

    • SHA256

      fa9ace1399679c06348f90db37646c738fc709406ede9367e02c18067c2c6081

    • SHA512

      d17fb2461d3b04ab7152dd26f31e012d50de6ec08a7fc47e1a6c56186839ae70fa87a7a5fbc8eed6dbdf5383b0a79992f39bd97234e64e7aa3dda2db9e65f140

    • SSDEEP

      24576:op4oVLircQ3wpYTLedNutXvahrg+t+DxPdger94k3P6NhHSKl4gMRBfprvCNEMwJ:oTVivwa/u2ckg4g2h6Co4gMHpMwyJ

    • 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)

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks