General

  • Target

    NEAS.8c5a38887768a98da1ba757c359a2f24b137ef9b78c7b5ba8383d999582d1b2b.exe

  • Size

    12.6MB

  • Sample

    231114-khn4hsad25

  • MD5

    5b11984d808a08373fafde3b252dbdf0

  • SHA1

    0b925d0a2f2c06bf3cb56ea4b0faf905d88659b2

  • SHA256

    8c5a38887768a98da1ba757c359a2f24b137ef9b78c7b5ba8383d999582d1b2b

  • SHA512

    de979858e93383a75a9a1e267ff0c8077719197f265a0a17652f6c5f9bdd45849b6ae70f204f257ddd3df4cdce069eda6ff7a87925d507c704644d55e5218d38

  • SSDEEP

    196608:u5Pub+LsCo02yq3V/TEzmabNLddsEFjd9F9Hk5Ydje1I9f4qWdKzRgll4:YmbNC8rGbw5AQI9f4jKzRgl

Malware Config

Extracted

Family

stealc

C2

http://77.91.68.247

Attributes
  • url_path

    /c36258786fdc16da.php

rc4.plain

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

      NEAS.8c5a38887768a98da1ba757c359a2f24b137ef9b78c7b5ba8383d999582d1b2b.exe

    • Size

      12.6MB

    • MD5

      5b11984d808a08373fafde3b252dbdf0

    • SHA1

      0b925d0a2f2c06bf3cb56ea4b0faf905d88659b2

    • SHA256

      8c5a38887768a98da1ba757c359a2f24b137ef9b78c7b5ba8383d999582d1b2b

    • SHA512

      de979858e93383a75a9a1e267ff0c8077719197f265a0a17652f6c5f9bdd45849b6ae70f204f257ddd3df4cdce069eda6ff7a87925d507c704644d55e5218d38

    • SSDEEP

      196608:u5Pub+LsCo02yq3V/TEzmabNLddsEFjd9F9Hk5Ydje1I9f4qWdKzRgll4:YmbNC8rGbw5AQI9f4jKzRgl

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Modifies boot configuration data using bcdedit

MITRE ATT&CK Enterprise v15

Tasks