Resubmissions

17/10/2022, 14:06

221017-rel83scbgl 10

15/10/2022, 15:56

221015-tddlnafge8 10

General

  • Target

    2799e835de7c35f0578c7ec497a20cf1.exe

  • Size

    214KB

  • Sample

    221017-rel83scbgl

  • MD5

    2799e835de7c35f0578c7ec497a20cf1

  • SHA1

    dc67f9b8eacba391d49581eb51287fe859832c68

  • SHA256

    7f1162b133373aeaa422b0356992ffecbc1c9c4fa07afdc389fb8d62e040e152

  • SHA512

    9e6902d353e50c2dd0ff37b43feed64d7320f92273880264a9d4f96b3fa0f4871e408087dbfd874e4be7d3393a6680a1f55c5ce847b126c683300ea436b26866

  • SSDEEP

    3072:/R3Xpkg1LGFO6g5G3SRl5N7aOFDRDvhSX/hmAvazaQqGo0Kk+wY:Jn7LGFp3aZjDRGQ0QqGo0+wY

Malware Config

Extracted

Family

erbium

C2

http://77.73.133.53/cloud/index.php

Targets

    • Target

      2799e835de7c35f0578c7ec497a20cf1.exe

    • Size

      214KB

    • MD5

      2799e835de7c35f0578c7ec497a20cf1

    • SHA1

      dc67f9b8eacba391d49581eb51287fe859832c68

    • SHA256

      7f1162b133373aeaa422b0356992ffecbc1c9c4fa07afdc389fb8d62e040e152

    • SHA512

      9e6902d353e50c2dd0ff37b43feed64d7320f92273880264a9d4f96b3fa0f4871e408087dbfd874e4be7d3393a6680a1f55c5ce847b126c683300ea436b26866

    • SSDEEP

      3072:/R3Xpkg1LGFO6g5G3SRl5N7aOFDRDvhSX/hmAvazaQqGo0Kk+wY:Jn7LGFp3aZjDRGQ0QqGo0+wY

    • 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