General

  • Target

    7b84e1a0ca55ba14a45936cf46617905b7f04291b62dfd61b097bc041ba2fcbe

  • Size

    312KB

  • Sample

    240109-we5gwaehcj

  • MD5

    09a05e88fe146d342c6f5d079c255158

  • SHA1

    150044478c1fd76917c833227844b36f13fb28f2

  • SHA256

    7b84e1a0ca55ba14a45936cf46617905b7f04291b62dfd61b097bc041ba2fcbe

  • SHA512

    af3715ba4d227e6a0836c38f3cdc145160455be5916e45595acd2800a7a9ad7540078bf5eaed9f9c14cfeb051a8647cd9f989f5fc3e843adc6ebe126049db429

  • SSDEEP

    3072:yjEaOZ+J2LBo0skFa4TH9frlVNg1kstVYWYOdMfyxE35nviT9p54ARTYFkc:ySZ/LS0hzH9zlISstVp5QlKTdiFk

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

      7b84e1a0ca55ba14a45936cf46617905b7f04291b62dfd61b097bc041ba2fcbe

    • Size

      312KB

    • MD5

      09a05e88fe146d342c6f5d079c255158

    • SHA1

      150044478c1fd76917c833227844b36f13fb28f2

    • SHA256

      7b84e1a0ca55ba14a45936cf46617905b7f04291b62dfd61b097bc041ba2fcbe

    • SHA512

      af3715ba4d227e6a0836c38f3cdc145160455be5916e45595acd2800a7a9ad7540078bf5eaed9f9c14cfeb051a8647cd9f989f5fc3e843adc6ebe126049db429

    • SSDEEP

      3072:yjEaOZ+J2LBo0skFa4TH9frlVNg1kstVYWYOdMfyxE35nviT9p54ARTYFkc:ySZ/LS0hzH9zlISstVp5QlKTdiFk

    • 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