General

  • Target

    21a3403e49ae025b38441ee648e8eebf5b99b7c24226b968f2b38a4ce66ed431

  • Size

    219KB

  • Sample

    240107-17y8safcfp

  • MD5

    71c0797d060ae8a45196a9336fbf7b5d

  • SHA1

    a2838790fa259240e53207be47535d0f89d15f40

  • SHA256

    21a3403e49ae025b38441ee648e8eebf5b99b7c24226b968f2b38a4ce66ed431

  • SHA512

    2c2ae9c6510408b17a77e3ac1623a550784d2002fcaea4bf75372aeabb06a430cbe7f5543fd9631c92a545a0817f007fb65d192d75c35239c3bbb7a906fb48d9

  • SSDEEP

    3072:s9L3vACvLJiX7ezDwPh0jb4rVyYI08+Yi1DrRlWwgvXF/LwHO1/D:s9L3Xv5cPhSoVyYI+KwgdDwHa

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

      21a3403e49ae025b38441ee648e8eebf5b99b7c24226b968f2b38a4ce66ed431

    • Size

      219KB

    • MD5

      71c0797d060ae8a45196a9336fbf7b5d

    • SHA1

      a2838790fa259240e53207be47535d0f89d15f40

    • SHA256

      21a3403e49ae025b38441ee648e8eebf5b99b7c24226b968f2b38a4ce66ed431

    • SHA512

      2c2ae9c6510408b17a77e3ac1623a550784d2002fcaea4bf75372aeabb06a430cbe7f5543fd9631c92a545a0817f007fb65d192d75c35239c3bbb7a906fb48d9

    • SSDEEP

      3072:s9L3vACvLJiX7ezDwPh0jb4rVyYI08+Yi1DrRlWwgvXF/LwHO1/D:s9L3Xv5cPhSoVyYI+KwgdDwHa

    • 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