General

  • Target

    d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

  • Size

    253KB

  • Sample

    240108-fnmenabefq

  • MD5

    e8ef7a38069b6dd41d3aaa5f56a12ed3

  • SHA1

    5adfdfb6cce9e7e567a9708d9cf7eb03dbaee2c5

  • SHA256

    d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

  • SHA512

    d811410d383c893fb6139f4e02dbeaf2c5538eaceed4b5bbc2a8745a43ee9ed5b1582ba2f4381e9412ebf09d6373a2862386d09b536dc09816418c313466fd37

  • SSDEEP

    3072:Se2JURFLNtsfZehN+ZEmJiiet+xTHs+mjKbqHZTrdgGD6pMGKgD9RUacmwgvXF/O:SPiLNE2N6JGKA9dgGDvfacmwgdDwwa

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

      d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

    • Size

      253KB

    • MD5

      e8ef7a38069b6dd41d3aaa5f56a12ed3

    • SHA1

      5adfdfb6cce9e7e567a9708d9cf7eb03dbaee2c5

    • SHA256

      d248ac0df52d36cca68053a1a361f864e8b9b83994475df0ae5f35ee1f7c5feb

    • SHA512

      d811410d383c893fb6139f4e02dbeaf2c5538eaceed4b5bbc2a8745a43ee9ed5b1582ba2f4381e9412ebf09d6373a2862386d09b536dc09816418c313466fd37

    • SSDEEP

      3072:Se2JURFLNtsfZehN+ZEmJiiet+xTHs+mjKbqHZTrdgGD6pMGKgD9RUacmwgvXF/O:SPiLNE2N6JGKA9dgGDvfacmwgdDwwa

    • 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.

    • 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