General

  • Target

    toolspab1.exe

  • Size

    207KB

  • Sample

    240114-24aaxsedg4

  • MD5

    6e60f7145b20285790659ed9769b6692

  • SHA1

    8491e703195ac2bd3238a578bdf361a4d7ea1c34

  • SHA256

    446ef80525dac1376b4206100f0c937f358a9f8417a937e2a4d2511dc687bf5a

  • SHA512

    da6b67b788423c79d0cd6375ae1acdab40b8c4abe6b52e9573385542b9d6bb8a6021576ce46d857b7988abe71de029105f192877f7835e6c546010e517b69088

  • SSDEEP

    3072:dXNxnFqcLXdCOck2DLO5L0WhyTFGlU+x4i+nN4P/xjUD:Z3FqcLtL2LM0WhLlU7PO/N+

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

      toolspab1.exe

    • Size

      207KB

    • MD5

      6e60f7145b20285790659ed9769b6692

    • SHA1

      8491e703195ac2bd3238a578bdf361a4d7ea1c34

    • SHA256

      446ef80525dac1376b4206100f0c937f358a9f8417a937e2a4d2511dc687bf5a

    • SHA512

      da6b67b788423c79d0cd6375ae1acdab40b8c4abe6b52e9573385542b9d6bb8a6021576ce46d857b7988abe71de029105f192877f7835e6c546010e517b69088

    • SSDEEP

      3072:dXNxnFqcLXdCOck2DLO5L0WhyTFGlU+x4i+nN4P/xjUD:Z3FqcLtL2LM0WhLlU7PO/N+

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks