General

  • Target

    26d9592bdfc0e1db9b25e7c3b6d232098bbd7a7ebe8c370df837002adc0f66e4.exe

  • Size

    312KB

  • Sample

    240109-xnq7aahhb8

  • MD5

    75505a5eb3732fa2c8ed637ab7514b0f

  • SHA1

    74cf43c52a315641946f39fd7bf4865d2d7ff410

  • SHA256

    26d9592bdfc0e1db9b25e7c3b6d232098bbd7a7ebe8c370df837002adc0f66e4

  • SHA512

    21f2f8cece51837f53ffb630344417026f3cda4de62f058547d4d8287878a70222b2d18807d0608f9af1d7e795c063f32eff7f12a4420a09c3a60a9137a6ff82

  • SSDEEP

    3072:7jMaOxMqALKoRSVVjqsPMBU5xR1Tst0IsYcJPCXEz5/siT9QHHARTYFkc:7qx0L1RSVVjEBQZst0I+wCRT+bFk

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

      26d9592bdfc0e1db9b25e7c3b6d232098bbd7a7ebe8c370df837002adc0f66e4.exe

    • Size

      312KB

    • MD5

      75505a5eb3732fa2c8ed637ab7514b0f

    • SHA1

      74cf43c52a315641946f39fd7bf4865d2d7ff410

    • SHA256

      26d9592bdfc0e1db9b25e7c3b6d232098bbd7a7ebe8c370df837002adc0f66e4

    • SHA512

      21f2f8cece51837f53ffb630344417026f3cda4de62f058547d4d8287878a70222b2d18807d0608f9af1d7e795c063f32eff7f12a4420a09c3a60a9137a6ff82

    • SSDEEP

      3072:7jMaOxMqALKoRSVVjqsPMBU5xR1Tst0IsYcJPCXEz5/siT9QHHARTYFkc:7qx0L1RSVVjEBQZst0I+wCRT+bFk

    • 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