General

  • Target

    toolspab4.exe

  • Size

    206KB

  • Sample

    240114-24tdssedg7

  • MD5

    5784cb0aeb2ac45ece0689e7eecfc399

  • SHA1

    2d08f92794072432692225d06768b1b2dd37e2d5

  • SHA256

    12eb79f7104c4b5f780f5fc86145924fb81f3bc043c782328ad69c660a287670

  • SHA512

    cc2d49ee58955a3edbc08002e91caf63f9610bb4b3d34101d6025f047cc734ad0d825685114d5ae894d1c250ebd6c3fe265d8fb2120110d559cf345606fdfce1

  • SSDEEP

    3072:qXNx5tV7E7ycJc5GD5LhwrXoD6hYNRQSpPtgLE5eYoAVN:K3fV7WCGdhCoUi9pWLiZP

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      toolspab4.exe

    • Size

      206KB

    • MD5

      5784cb0aeb2ac45ece0689e7eecfc399

    • SHA1

      2d08f92794072432692225d06768b1b2dd37e2d5

    • SHA256

      12eb79f7104c4b5f780f5fc86145924fb81f3bc043c782328ad69c660a287670

    • SHA512

      cc2d49ee58955a3edbc08002e91caf63f9610bb4b3d34101d6025f047cc734ad0d825685114d5ae894d1c250ebd6c3fe265d8fb2120110d559cf345606fdfce1

    • SSDEEP

      3072:qXNx5tV7E7ycJc5GD5LhwrXoD6hYNRQSpPtgLE5eYoAVN:K3fV7WCGdhCoUi9pWLiZP

    • 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