Resubmissions

17/10/2022, 14:20

221017-rnkfvacaf610

15/10/2022, 17:37

221015-v65raafhaq10

General

  • Target
    ab606f1f97bbc65edd55952a2daf2252.exe
  • Size 213KB
  • Sample221017-rnkfvacaf6
  • SHA256 2123f46b435c2e8765a882624a35060d86226424c97a2b2a9edad4b75bd0ba3f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • erbium

C2
  • http://77.73.133.53/cloud/index.php

Targets

    • Target
      ab606f1f97bbc65edd55952a2daf2252.exe
    • Size 213KB
    • SHA256 2123f46b435c2e8765a882624a35060d86226424c97a2b2a9edad4b75bd0ba3f
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Smokeloader packer

    • Erbium

      Erbium is an infostealer written in C++ and first seen in July 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

MITRE ATT&CK Enterprise v6

Tasks