General

  • Target

    bca382ae53d61ae12b6e3420cf474f6f.exe

  • Size

    276KB

  • Sample

    240112-mwnq1sedek

  • MD5

    bca382ae53d61ae12b6e3420cf474f6f

  • SHA1

    1729b577acba8f81e5e0568f1dbd2a95f6c2be21

  • SHA256

    6a4a7355b992673eecda83e99103ddd832d993ba1e66521a36f69a9d38ce5418

  • SHA512

    3505e29f97c235173979dbbbb8a00e7311892950e2a57393ce6726cd970e769d1ea3ac7671289bb6ccb1f121d4f3faff0a133960ffea34544a5e6e2f90ef924c

  • SSDEEP

    3072:phSsvz5tse1uLlA8RYUQJSJilheleTQF5KFr/MT//l/q9aENHDBw8lgPJJPUzPlX:ysVtsSuLe88PKFY0Sa+jBbKTPU15l

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

      bca382ae53d61ae12b6e3420cf474f6f.exe

    • Size

      276KB

    • MD5

      bca382ae53d61ae12b6e3420cf474f6f

    • SHA1

      1729b577acba8f81e5e0568f1dbd2a95f6c2be21

    • SHA256

      6a4a7355b992673eecda83e99103ddd832d993ba1e66521a36f69a9d38ce5418

    • SHA512

      3505e29f97c235173979dbbbb8a00e7311892950e2a57393ce6726cd970e769d1ea3ac7671289bb6ccb1f121d4f3faff0a133960ffea34544a5e6e2f90ef924c

    • SSDEEP

      3072:phSsvz5tse1uLlA8RYUQJSJilheleTQF5KFr/MT//l/q9aENHDBw8lgPJJPUzPlX:ysVtsSuLe88PKFY0Sa+jBbKTPU15l

    • 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