General

  • Target

    5a47f3a1d1f7f121b7407af0e3ad0bbda02a286891f03ef70af2a7e31bdf237c

  • Size

    311KB

  • Sample

    240114-e3rggsdah7

  • MD5

    df9f23a0dd460e38e688b7870c3dc02e

  • SHA1

    73923be84dbc2ebca0d842dc26d6034bf202420f

  • SHA256

    5a47f3a1d1f7f121b7407af0e3ad0bbda02a286891f03ef70af2a7e31bdf237c

  • SHA512

    02a76be69bce9c35caa032288bed8b5456ef3801210a98fdd4098adfa1c5f99b91856852ca72d4ae0e24c721869938f5f490721f06735d47e718fb2620170639

  • SSDEEP

    6144:IiZILSPLdmPU59F63W9S2DwPzVfTXvrFk:3ZIuPLdii8hzjF

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

      5a47f3a1d1f7f121b7407af0e3ad0bbda02a286891f03ef70af2a7e31bdf237c

    • Size

      311KB

    • MD5

      df9f23a0dd460e38e688b7870c3dc02e

    • SHA1

      73923be84dbc2ebca0d842dc26d6034bf202420f

    • SHA256

      5a47f3a1d1f7f121b7407af0e3ad0bbda02a286891f03ef70af2a7e31bdf237c

    • SHA512

      02a76be69bce9c35caa032288bed8b5456ef3801210a98fdd4098adfa1c5f99b91856852ca72d4ae0e24c721869938f5f490721f06735d47e718fb2620170639

    • SSDEEP

      6144:IiZILSPLdmPU59F63W9S2DwPzVfTXvrFk:3ZIuPLdii8hzjF

    • 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