General

  • Target

    toolspub2.exe

  • Size

    203KB

  • Sample

    240114-yebkxadhe2

  • MD5

    d9077796101f063d05d1b18ef03639d8

  • SHA1

    035d12383b9bcdbba8393fa643a375a19cbab559

  • SHA256

    17d15c3e994b704c8b11393ee9e83dc7ecc3cdfd981820501beaf98c6e34cc94

  • SHA512

    c79350993ced4a8e18b071e866a69b664143e35c5f6704afe4ff5f70437522d90722b29f0fd9bf6c66ddd331c5ebc65378915a3de062fd26ae213fbb252ac2ad

  • SSDEEP

    3072:pfUB/bLaZdXUNc8iirJiM21K7uLX6Qn+62oM42fL4iBNkRDxs+cmH:pfUVclVrXpbGEx7co

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      toolspub2.exe

    • Size

      203KB

    • MD5

      d9077796101f063d05d1b18ef03639d8

    • SHA1

      035d12383b9bcdbba8393fa643a375a19cbab559

    • SHA256

      17d15c3e994b704c8b11393ee9e83dc7ecc3cdfd981820501beaf98c6e34cc94

    • SHA512

      c79350993ced4a8e18b071e866a69b664143e35c5f6704afe4ff5f70437522d90722b29f0fd9bf6c66ddd331c5ebc65378915a3de062fd26ae213fbb252ac2ad

    • SSDEEP

      3072:pfUB/bLaZdXUNc8iirJiM21K7uLX6Qn+62oM42fL4iBNkRDxs+cmH:pfUVclVrXpbGEx7co

    • 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.

    • Checks computer location settings

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

    • 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