Resubmissions

17/10/2022, 14:19

221017-rm5emacaf410

17/10/2022, 14:09

221017-rf8tgacbgp10

15/10/2022, 16:38

221015-t5dezafggp10

General

  • Target
    e41ad88438135bf0b2189701de819be1.exe
  • Size 213KB
  • Sample221017-rf8tgacbgp
  • SHA256 cd3a2b42f2d770f1f870b2e3be9d0a5262b8038d65e6f95a1e63bed333150db5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • erbium

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

Targets

    • Target
      e41ad88438135bf0b2189701de819be1.exe
    • Size 213KB
    • SHA256 cd3a2b42f2d770f1f870b2e3be9d0a5262b8038d65e6f95a1e63bed333150db5
    • 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