Overview

overview

10

Static

static

3

63041b9f0e...7d.exe

windows7-x64

10

63041b9f0e...7d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    63041b9f0e6ada7a18fecd0f204f3eb5879c7878b50ea3661e445dd26bda147d

  • Size

    704KB

  • Sample

    250307-msm1bazly8

  • MD5

    5d0e3aa471677b15059c3b2f8b3cb6ee

  • SHA1

    c941b688907cf62860819ddb0200213a10e6af8f

  • SHA256

    63041b9f0e6ada7a18fecd0f204f3eb5879c7878b50ea3661e445dd26bda147d

  • SHA512

    50b4aae3028a16b10b8fc347741017884040715c993dd8fb645ef1b63b873d89c72d63c859c477894e77965704fb998d787a5cf62f884014e65f9b10b3b67a6f

  • SSDEEP

    3072:fa8FTrCWpfclJG/IOpkA9DRYSa9rR85DEn5k7rC:fb1CWpfcl2IOSA9D4rQD85k/

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

      63041b9f0e6ada7a18fecd0f204f3eb5879c7878b50ea3661e445dd26bda147d

    • Size

      704KB

    • MD5

      5d0e3aa471677b15059c3b2f8b3cb6ee

    • SHA1

      c941b688907cf62860819ddb0200213a10e6af8f

    • SHA256

      63041b9f0e6ada7a18fecd0f204f3eb5879c7878b50ea3661e445dd26bda147d

    • SHA512

      50b4aae3028a16b10b8fc347741017884040715c993dd8fb645ef1b63b873d89c72d63c859c477894e77965704fb998d787a5cf62f884014e65f9b10b3b67a6f

    • SSDEEP

      3072:fa8FTrCWpfclJG/IOpkA9DRYSa9rR85DEn5k7rC:fb1CWpfcl2IOSA9D4rQD85k/

    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

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks