General

  • Target

    efe103f9ccf08971d6d42c0a20c59e64e64d02999cebe8a3247e74f8a0ea439f

  • Size

    213KB

  • Sample

    240117-r3kp6ahbdk

  • MD5

    518fa1761d1903670c9c2a5cae38646d

  • SHA1

    bc735ff81eb03d5b2e93e4c6edc1a0bf303bcd1e

  • SHA256

    efe103f9ccf08971d6d42c0a20c59e64e64d02999cebe8a3247e74f8a0ea439f

  • SHA512

    a23723830cc4e1ffd271d75aa9abdabbe658ba9f47e81ec69a7b10a65024ec90d631097c878fd45526921de0b671120a603440e5d74f184507b632a95dcacd12

  • SSDEEP

    3072:SoMaibUPLJiUzDb2Q6weG7AkX6OSv+9pR5+:/ibUPnb2QveNk7+

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

      efe103f9ccf08971d6d42c0a20c59e64e64d02999cebe8a3247e74f8a0ea439f

    • Size

      213KB

    • MD5

      518fa1761d1903670c9c2a5cae38646d

    • SHA1

      bc735ff81eb03d5b2e93e4c6edc1a0bf303bcd1e

    • SHA256

      efe103f9ccf08971d6d42c0a20c59e64e64d02999cebe8a3247e74f8a0ea439f

    • SHA512

      a23723830cc4e1ffd271d75aa9abdabbe658ba9f47e81ec69a7b10a65024ec90d631097c878fd45526921de0b671120a603440e5d74f184507b632a95dcacd12

    • SSDEEP

      3072:SoMaibUPLJiUzDb2Q6weG7AkX6OSv+9pR5+:/ibUPnb2QveNk7+

    • 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