Resubmissions

17/10/2022, 14:20

221017-rnkfvacaf6 10

15/10/2022, 17:37

221015-v65raafhaq 10

General

  • Target

    ab606f1f97bbc65edd55952a2daf2252.exe

  • Size

    213KB

  • Sample

    221017-rnkfvacaf6

  • MD5

    ab606f1f97bbc65edd55952a2daf2252

  • SHA1

    1ec0354c1f2a2ef61f3193511ea172f947734b13

  • SHA256

    2123f46b435c2e8765a882624a35060d86226424c97a2b2a9edad4b75bd0ba3f

  • SHA512

    483f86ad28e5c61a52eb8d874d82fbe559f3386b189b5e856fd5fabf9ad3fa604790828164e4e6249462fefb7183ee1f9f4a3ab93166501f29e740510eaafdac

  • SSDEEP

    6144:Tv2LdFDqNR8H1N108GtQlOM0d80N6tzOZ:Tv2BFDqNRMN108iQlOxN6ROZ

Malware Config

Extracted

Family

erbium

C2

http://77.73.133.53/cloud/index.php

Targets

    • Target

      ab606f1f97bbc65edd55952a2daf2252.exe

    • Size

      213KB

    • MD5

      ab606f1f97bbc65edd55952a2daf2252

    • SHA1

      1ec0354c1f2a2ef61f3193511ea172f947734b13

    • SHA256

      2123f46b435c2e8765a882624a35060d86226424c97a2b2a9edad4b75bd0ba3f

    • SHA512

      483f86ad28e5c61a52eb8d874d82fbe559f3386b189b5e856fd5fabf9ad3fa604790828164e4e6249462fefb7183ee1f9f4a3ab93166501f29e740510eaafdac

    • SSDEEP

      6144:Tv2LdFDqNR8H1N108GtQlOM0d80N6tzOZ:Tv2BFDqNRMN108iQlOxN6ROZ

    • 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