General

  • Target

    d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7

  • Size

    312KB

  • Sample

    240111-sqs2faacdn

  • MD5

    e2dcde964008d3c1087df8373550a753

  • SHA1

    96949175c64c2e732a83c1378cf13bafefc163a0

  • SHA256

    d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7

  • SHA512

    b6b0b4ba59e75090bb3855ef89f10decfa19980bae7a919a59e76a14d8ff59ee3109ed29ad5115fae0b276db769fd4dbbdced689b2f8b248ab012cd4180eac3c

  • SSDEEP

    3072:cm37/rLzRqCKgiH5OGyqwuSANL7uY1ncfH5nP83NpBJFwj0:cM7zLzoCKgkbyq0ANL1xch03NU

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7

    • Size

      312KB

    • MD5

      e2dcde964008d3c1087df8373550a753

    • SHA1

      96949175c64c2e732a83c1378cf13bafefc163a0

    • SHA256

      d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7

    • SHA512

      b6b0b4ba59e75090bb3855ef89f10decfa19980bae7a919a59e76a14d8ff59ee3109ed29ad5115fae0b276db769fd4dbbdced689b2f8b248ab012cd4180eac3c

    • SSDEEP

      3072:cm37/rLzRqCKgiH5OGyqwuSANL7uY1ncfH5nP83NpBJFwj0:cM7zLzoCKgkbyq0ANL1xch03NU

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Disables taskbar notifications via registry modification

    • Disables use of System Restore points

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks