General

  • Target

    a945da935725b3335b8d532f59c60976.exe

  • Size

    290KB

  • Sample

    240112-mx9pwafce4

  • MD5

    a945da935725b3335b8d532f59c60976

  • SHA1

    fb99901e205973b26f9af4f1c757524a8aafc4af

  • SHA256

    dccf17e32afc8abc1e8179411260ffe7971826da058cf4f57162c17560c16920

  • SHA512

    3f060d0d184038d7a8f247b52397ea745c058d835ddbc9cc28d177c47a2a7dd8021e45b89c3026f0b98c2daf54a94b75dfd3d922f6a1463fee28d1258770c428

  • SSDEEP

    6144:tPPtW22xvx9LrrylE5EbSDD74EUT/6bd6bRXMA:t9W2239HrylO/DDsEG6bMbph

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

      a945da935725b3335b8d532f59c60976.exe

    • Size

      290KB

    • MD5

      a945da935725b3335b8d532f59c60976

    • SHA1

      fb99901e205973b26f9af4f1c757524a8aafc4af

    • SHA256

      dccf17e32afc8abc1e8179411260ffe7971826da058cf4f57162c17560c16920

    • SHA512

      3f060d0d184038d7a8f247b52397ea745c058d835ddbc9cc28d177c47a2a7dd8021e45b89c3026f0b98c2daf54a94b75dfd3d922f6a1463fee28d1258770c428

    • SSDEEP

      6144:tPPtW22xvx9LrrylE5EbSDD74EUT/6bd6bRXMA:t9W2239HrylO/DDsEG6bMbph

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks