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Overview

overview

10

Static

static

10

a4b6fd3aeb...9N.exe

windows7-x64

10

a4b6fd3aeb...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4b6fd3aebf02b35bbf796c0d0b8539e70c03e9dc6f60c20f9212b9f14cc6869N

  • Size

    186KB

  • Sample

    240921-aj9rhawckc

  • MD5

    ebb92bf573de25a498446f548af8d800

  • SHA1

    b993a64a3b4c2b47d796700d4a71b5b7b78e6720

  • SHA256

    a4b6fd3aebf02b35bbf796c0d0b8539e70c03e9dc6f60c20f9212b9f14cc6869

  • SHA512

    934011fe31093b553d52e8763d98ac5e3a4ce3118cd93c71fdd4c46a7bbb80201448acafdb2e9b54a028a03d1387ca8d212be859125542c79d870a880b8b2719

  • SSDEEP

    3072:RuFu6fMzGj+oSeSdKzGYJpD9r8XxrYnQg4sIgQxzjGG1wsKY:If41oSeCgGyZ6YugQdjGG1wsKY

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a4b6fd3aebf02b35bbf796c0d0b8539e70c03e9dc6f60c20f9212b9f14cc6869N

    • Size

      186KB

    • MD5

      ebb92bf573de25a498446f548af8d800

    • SHA1

      b993a64a3b4c2b47d796700d4a71b5b7b78e6720

    • SHA256

      a4b6fd3aebf02b35bbf796c0d0b8539e70c03e9dc6f60c20f9212b9f14cc6869

    • SHA512

      934011fe31093b553d52e8763d98ac5e3a4ce3118cd93c71fdd4c46a7bbb80201448acafdb2e9b54a028a03d1387ca8d212be859125542c79d870a880b8b2719

    • SSDEEP

      3072:RuFu6fMzGj+oSeSdKzGYJpD9r8XxrYnQg4sIgQxzjGG1wsKY:If41oSeCgGyZ6YugQdjGG1wsKY

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks