Overview

overview

10

Static

static

3

e6fe558f6c...15.exe

windows7-x64

10

e6fe558f6c...15.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e6fe558f6c026493bff28c7451069715.exe
  • Size 307KB
  • Sample240320-3ettpsfa21
  • SHA256 75e985ad843283de707a360843a5ac65e0800b8dde13004c9eec247bc4ee4437
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
buerstealcdiscoveryloaderpersistencespywarestealer

Malware Config

Targets

    • Target
      e6fe558f6c026493bff28c7451069715.exe
    • Size 307KB
    • SHA256 75e985ad843283de707a360843a5ac65e0800b8dde13004c9eec247bc4ee4437
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcdiscoverypersistencespywarestealerbuerloader

    • Buer

      Buer is a new modular loader first seen in August 2019.

      loaderbuer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks