General

  • Target
    toolspub2.exe
  • Size 239KB
  • Sample240104-b3bt9aeefj
  • SHA256 00415d3dbe1002e36e94d9e11459872b7fd485ffc59a4d96a7c8e7e5df80186b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • up3

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target
      toolspub2.exe
    • Size 239KB
    • SHA256 00415d3dbe1002e36e94d9e11459872b7fd485ffc59a4d96a7c8e7e5df80186b
    • MD5 SHA1 SHA512 SSDEEP
    • 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 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