General

  • Target
    Payment-244581781.doc
  • Size 221KB
  • Sample201120-87595w4era
  • SHA256 dc0715adb07b65af47d660aa7582f9ecdfc770606f1a852fe1aa7a643bba7543
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://giftcard2naira.com/

  • exe.dropper

    https://nc3aaa.org/

  • exe.dropper

    https://readaboutcare.site/

  • exe.dropper

    https://www.ctrlbfont.com/

  • exe.dropper

    https://prosyarmakassar.com/

  • exe.dropper

    https://online-theorie.driveddy.com/

  • exe.dropper

    http://sbm.balajihandheld.in/

  • exe.dropper

    https://kezenelectric.ca/

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://penodux.com/xsmkld/index.php

  • http://tommusikirtyur.com/xsmkld/index.php

  • http://ploaernysannyer.com/xsmkld/index.php

  • http://dersmasfannyer.com/xsmkld/index.php

  • http://derdsgdannyer.com/xsmkld/index.php

rc4.i32
rc4.i32

Targets

    • Target
      Payment-244581781.doc
    • Size 221KB
    • SHA256 dc0715adb07b65af47d660aa7582f9ecdfc770606f1a852fe1aa7a643bba7543
    • MD5 SHA1 SHA512
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blacklisted process makes network request

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • JavaScript code in executable

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks