General

  • Target

    toolspub1(2).exe

  • Size

    198KB

  • Sample

    240111-f9expsgcf4

  • MD5

    ac27d06e4345f34cfa44e08a860d88f1

  • SHA1

    c5575397ff27d7f3a22ed9e0537e060d33bb4890

  • SHA256

    d47be58f4a767dcfe803a43a184158fdb7f0bbc379c4519e435540f9224c82dc

  • SHA512

    8cae7d2d4208a68b74ad3bab556d4b6b459058fcc7e8b8a364fb4a2e0a1ee55ca43274e509a9f4da208ac6c072fc4d2d119e52cfc966538d737f9410441025d4

  • SSDEEP

    3072:dE/htLJYeiJiiKDuSRpXxLNjwakyBvwyYR2QvBL2A:yTLJYeF9LXh7U+

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

      toolspub1(2).exe

    • Size

      198KB

    • MD5

      ac27d06e4345f34cfa44e08a860d88f1

    • SHA1

      c5575397ff27d7f3a22ed9e0537e060d33bb4890

    • SHA256

      d47be58f4a767dcfe803a43a184158fdb7f0bbc379c4519e435540f9224c82dc

    • SHA512

      8cae7d2d4208a68b74ad3bab556d4b6b459058fcc7e8b8a364fb4a2e0a1ee55ca43274e509a9f4da208ac6c072fc4d2d119e52cfc966538d737f9410441025d4

    • SSDEEP

      3072:dE/htLJYeiJiiKDuSRpXxLNjwakyBvwyYR2QvBL2A:yTLJYeF9LXh7U+

    • 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