General

  • Target

    e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa.exe

  • Size

    311KB

  • Sample

    240111-y1q8gsffdm

  • MD5

    ad3d9d31919b2727b2a4678d3c37affd

  • SHA1

    1044bf1d3ac8b6193541acbbb4a0e576854cc8f1

  • SHA256

    e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa

  • SHA512

    5c645773e7f1bdd12bfe65442b277d24aedd7bcd3ef80b91e4f3e720dc4bd07ce0e51edf7e70c2c7ec767ad5bc6cefbef5be3d7e8092ddbd3f09a02d354c64fd

  • SSDEEP

    3072:IT8Sq3LCwn/MOozAPDRK3ZCQXd0odbHLIviqj365uSR3lDbo5k9I3V2DaFwj0:mfSLChTAP1qCQXdF9rIvVSRLm3gb

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

      e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa.exe

    • Size

      311KB

    • MD5

      ad3d9d31919b2727b2a4678d3c37affd

    • SHA1

      1044bf1d3ac8b6193541acbbb4a0e576854cc8f1

    • SHA256

      e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa

    • SHA512

      5c645773e7f1bdd12bfe65442b277d24aedd7bcd3ef80b91e4f3e720dc4bd07ce0e51edf7e70c2c7ec767ad5bc6cefbef5be3d7e8092ddbd3f09a02d354c64fd

    • SSDEEP

      3072:IT8Sq3LCwn/MOozAPDRK3ZCQXd0odbHLIviqj365uSR3lDbo5k9I3V2DaFwj0:mfSLChTAP1qCQXdF9rIvVSRLm3gb

    • 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

MITRE ATT&CK Enterprise v15

Tasks