General

  • Target

    f5fb47c4fe365a3478323507e9f8dd7e.exe

  • Size

    234KB

  • Sample

    240113-gm2nmadgg7

  • MD5

    f5fb47c4fe365a3478323507e9f8dd7e

  • SHA1

    8ef08c96a8ee01629cb531315f144b9abada8c2d

  • SHA256

    4677c4aba91d3ad1687bae284e80deae2ebe9dd4a23e5bc071fab312f02baa8f

  • SHA512

    ba3ebca465122a46ce5db8a6fd83a68e04efda1dbf1a786f4e915992aeed2e6fc45b73c234ef07f2b4727bb440b26bf2617d7af28ced602cd2e2b537c2e51bcd

  • SSDEEP

    3072:ORSupGanOMAuJi4k1KjHPpxGDo0ixVijrPz5Bafw3ER/I:OR3RAIx70MijrVBQI

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

      f5fb47c4fe365a3478323507e9f8dd7e.exe

    • Size

      234KB

    • MD5

      f5fb47c4fe365a3478323507e9f8dd7e

    • SHA1

      8ef08c96a8ee01629cb531315f144b9abada8c2d

    • SHA256

      4677c4aba91d3ad1687bae284e80deae2ebe9dd4a23e5bc071fab312f02baa8f

    • SHA512

      ba3ebca465122a46ce5db8a6fd83a68e04efda1dbf1a786f4e915992aeed2e6fc45b73c234ef07f2b4727bb440b26bf2617d7af28ced602cd2e2b537c2e51bcd

    • SSDEEP

      3072:ORSupGanOMAuJi4k1KjHPpxGDo0ixVijrPz5Bafw3ER/I:OR3RAIx70MijrVBQI

    • 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