General

  • Target

    file

  • Size

    312KB

  • Sample

    240109-zrh17ahhcn

  • MD5

    3ed9f2c6339d6513940c15d4a58378af

  • SHA1

    bd75e9514537bb38e9ba648c92a837e7d8d7b66d

  • SHA256

    dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb

  • SHA512

    530d1c04fd3acc0a35b54221ae5e25b4ab02fdf656bfda516bab009e94f292cffec83a8480cf95c3bacddc295a845206e6409658c837c3c78f0d1aca5cdf8036

  • SSDEEP

    6144:V6xELH+Ym/eqLhvhXfRWK4Pg343g77ji:cxEL+HeqLh2K45QX

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

      file

    • Size

      312KB

    • MD5

      3ed9f2c6339d6513940c15d4a58378af

    • SHA1

      bd75e9514537bb38e9ba648c92a837e7d8d7b66d

    • SHA256

      dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb

    • SHA512

      530d1c04fd3acc0a35b54221ae5e25b4ab02fdf656bfda516bab009e94f292cffec83a8480cf95c3bacddc295a845206e6409658c837c3c78f0d1aca5cdf8036

    • SSDEEP

      6144:V6xELH+Ym/eqLhvhXfRWK4Pg343g77ji:cxEL+HeqLh2K45QX

    • 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