General

  • Target

    fbec4956a178bb65221cf87ab537b828.exe

  • Size

    207KB

  • Sample

    240112-mx8gtafcd8

  • MD5

    fbec4956a178bb65221cf87ab537b828

  • SHA1

    5e587f1f30a712e45b35e451af167a5ba54f508d

  • SHA256

    f22e8c6027000f421c70d5733ff537d1e2e49deb5cc1d6ad3287175dffc2668e

  • SHA512

    805d8ac96078aa598e2cd562e60748aeb9f36710490015d3203f309d26f341795fd1a3c82e28cb828947ff99777985fd00a540d3e1f42edd0b471a0739f8a490

  • SSDEEP

    3072:Bo/htLJYeiJiiKVYgTemVAJny/8WyrtD7wmxRivBL2A:uTLJYefYgT/AByyug

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

      fbec4956a178bb65221cf87ab537b828.exe

    • Size

      207KB

    • MD5

      fbec4956a178bb65221cf87ab537b828

    • SHA1

      5e587f1f30a712e45b35e451af167a5ba54f508d

    • SHA256

      f22e8c6027000f421c70d5733ff537d1e2e49deb5cc1d6ad3287175dffc2668e

    • SHA512

      805d8ac96078aa598e2cd562e60748aeb9f36710490015d3203f309d26f341795fd1a3c82e28cb828947ff99777985fd00a540d3e1f42edd0b471a0739f8a490

    • SSDEEP

      3072:Bo/htLJYeiJiiKVYgTemVAJny/8WyrtD7wmxRivBL2A:uTLJYefYgT/AByyug

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Sets file execution options 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 whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks