General

  • Target

    83df68524efaf9ff966ac75431359c97ec6973a54dd1e62d101922b2a7297e34N.exe

  • Size

    7.2MB

  • Sample

    241124-rer5bssqbx

  • MD5

    5f007a7cae848758afd110eda9040610

  • SHA1

    50568c925c96b4ca62cdee3193952fff9fa4ce3a

  • SHA256

    83df68524efaf9ff966ac75431359c97ec6973a54dd1e62d101922b2a7297e34

  • SHA512

    aff6cd7ca896b7544e9a8cf854a31c89d3d628926b7eea39145720a03e2709fbcee8f91042b7321dfdb343eb661eb1a4ae392e857ca221df8edd423dc2c8c17d

  • SSDEEP

    196608:oM9Ita/0NSJ2dvQcMjUyZc5nEg36vmTBoc6:QN8UQcQUimnH36vg

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

      83df68524efaf9ff966ac75431359c97ec6973a54dd1e62d101922b2a7297e34N.exe

    • Size

      7.2MB

    • MD5

      5f007a7cae848758afd110eda9040610

    • SHA1

      50568c925c96b4ca62cdee3193952fff9fa4ce3a

    • SHA256

      83df68524efaf9ff966ac75431359c97ec6973a54dd1e62d101922b2a7297e34

    • SHA512

      aff6cd7ca896b7544e9a8cf854a31c89d3d628926b7eea39145720a03e2709fbcee8f91042b7321dfdb343eb661eb1a4ae392e857ca221df8edd423dc2c8c17d

    • SSDEEP

      196608:oM9Ita/0NSJ2dvQcMjUyZc5nEg36vmTBoc6:QN8UQcQUimnH36vg

    • 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Enumerates processes with tasklist

    • 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