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Overview

overview

10

Static

static

3

3a33ac1c15...83.exe

windows7-x64

10

3a33ac1c15...83.exe

windows10-2004-x64

10

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General

  • Target

    3a33ac1c15d2197746c2005fe9b7c98a4fc3caaa119391ad4173775d0f81ab83

  • Size

    227KB

  • Sample

    240919-yk8slaxcld

  • MD5

    f1c4441931819655273412286bcb66d8

  • SHA1

    d4dfa6b1610d63536986d8be730c032d1697b214

  • SHA256

    3a33ac1c15d2197746c2005fe9b7c98a4fc3caaa119391ad4173775d0f81ab83

  • SHA512

    2fe8ac135f995151f008dee6256a9565612f0a1c0152712bc2922d22279f9f4c501a21dec1f18cf05f09e5cb0d308b25d302c0dfca6a5def54642af26b556b4e

  • SSDEEP

    3072:30yBLzpY4Xq0BR621p7oeyfpwoTRBmDRGGurhUXvBj2QE2HegPelTeIdI7jFHu:3DzpYAb7jVm7U5j2QE2+g24Id2jFHu

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

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

Targets

    • Target

      3a33ac1c15d2197746c2005fe9b7c98a4fc3caaa119391ad4173775d0f81ab83

    • Size

      227KB

    • MD5

      f1c4441931819655273412286bcb66d8

    • SHA1

      d4dfa6b1610d63536986d8be730c032d1697b214

    • SHA256

      3a33ac1c15d2197746c2005fe9b7c98a4fc3caaa119391ad4173775d0f81ab83

    • SHA512

      2fe8ac135f995151f008dee6256a9565612f0a1c0152712bc2922d22279f9f4c501a21dec1f18cf05f09e5cb0d308b25d302c0dfca6a5def54642af26b556b4e

    • SSDEEP

      3072:30yBLzpY4Xq0BR621p7oeyfpwoTRBmDRGGurhUXvBj2QE2HegPelTeIdI7jFHu:3DzpYAb7jVm7U5j2QE2+g24Id2jFHu

    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