General

  • Target

    bestthingsalwaysgetbesrentirelifethingstogdomybetterthignswithgreat.hta

  • Size

    178KB

  • Sample

    241118-v6j5ks1nct

  • MD5

    05dcffe1d8e8e209a90b522192ad8000

  • SHA1

    77c19b392d39bce4906b5c4e5f1ab0a0c9182dc7

  • SHA256

    35717c891450767af251ec90a7c05ffd407d7b2d2897d96c176c51b5b8a156b5

  • SHA512

    11eafd5f126bb4873ec7be1dc6fe7246f3de8324c413073bc914827695ed1db1bb9b6e870414c0d4aba990a6a817d6c029f7aa02e5061434dcdb965a378b5734

  • SSDEEP

    48:4vahW5oZz7eWLB2ZfywyQhhY1ywyQbD6ngS5RJCS0d399Dd5nCYmIYZAjo3ueufc:4vCl17ZtQjtQhVFlfnnCO4AjovtQX5Q

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Targets

    • Target

      bestthingsalwaysgetbesrentirelifethingstogdomybetterthignswithgreat.hta

    • Size

      178KB

    • MD5

      05dcffe1d8e8e209a90b522192ad8000

    • SHA1

      77c19b392d39bce4906b5c4e5f1ab0a0c9182dc7

    • SHA256

      35717c891450767af251ec90a7c05ffd407d7b2d2897d96c176c51b5b8a156b5

    • SHA512

      11eafd5f126bb4873ec7be1dc6fe7246f3de8324c413073bc914827695ed1db1bb9b6e870414c0d4aba990a6a817d6c029f7aa02e5061434dcdb965a378b5734

    • SSDEEP

      48:4vahW5oZz7eWLB2ZfywyQhhY1ywyQbD6ngS5RJCS0d399Dd5nCYmIYZAjo3ueufc:4vCl17ZtQjtQhVFlfnnCO4AjovtQX5Q

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Smokeloader family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Evasion via Device Credential Deployment

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks