General

  • Target

    ff5018aa96d03981958cc226c3b2aa40.exe

  • Size

    289KB

  • Sample

    240112-mx84caeeaj

  • MD5

    ff5018aa96d03981958cc226c3b2aa40

  • SHA1

    752bcfea1e97ade90052e0e52be75ede15fe4e24

  • SHA256

    fd68ed7ff3adfd19b32efde83d13edb583c7d756d0780d079efac6d09ff8bbb4

  • SHA512

    56746e106d37b10121d9dab10e236c9da2bc91f7aab92f5edc3b8e4ec6fa353437fe40e8ed3b8a1a6e5e4f72bea5f8acb5ed367a8dd1c9587e9d4ad26732f77f

  • SSDEEP

    6144:ZecopGFVV+LpU7Z6OHwWylGHbTI/6i9HbRXMA:Z+pGFf+lU7LHnykHC6Ybph

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

      ff5018aa96d03981958cc226c3b2aa40.exe

    • Size

      289KB

    • MD5

      ff5018aa96d03981958cc226c3b2aa40

    • SHA1

      752bcfea1e97ade90052e0e52be75ede15fe4e24

    • SHA256

      fd68ed7ff3adfd19b32efde83d13edb583c7d756d0780d079efac6d09ff8bbb4

    • SHA512

      56746e106d37b10121d9dab10e236c9da2bc91f7aab92f5edc3b8e4ec6fa353437fe40e8ed3b8a1a6e5e4f72bea5f8acb5ed367a8dd1c9587e9d4ad26732f77f

    • SSDEEP

      6144:ZecopGFVV+LpU7Z6OHwWylGHbTI/6i9HbRXMA:Z+pGFf+lU7LHnykHC6Ybph

    • 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