Overview

overview

10

Static

static

3

29bce75c61...dd.exe

windows7-x64

10

29bce75c61...dd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    29bce75c615e161362049e6034b97f76f3e2a47822070438b07fb949a76354dd

  • Size

    288KB

  • Sample

    250306-3nw1eszwa1

  • MD5

    22a7bf6b17c33d6ec56de956e0a1eb7d

  • SHA1

    9299d8bb235552b035025355ed48930ffce2d717

  • SHA256

    29bce75c615e161362049e6034b97f76f3e2a47822070438b07fb949a76354dd

  • SHA512

    9539f8249a97dac4743241d20e5a49001e231b274d03f0eddb9c016aede7e1abfad91dbde92b8e2e20c19033f2e84f256ff8a3cbf8511c62d67fd0d71cf31237

  • SSDEEP

    6144:MWBk6x4A6u7fueloHbD5W3glbGFIasUDsIjos:/k6x4A6u7f7aH5W3ybwwUb

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

      29bce75c615e161362049e6034b97f76f3e2a47822070438b07fb949a76354dd

    • Size

      288KB

    • MD5

      22a7bf6b17c33d6ec56de956e0a1eb7d

    • SHA1

      9299d8bb235552b035025355ed48930ffce2d717

    • SHA256

      29bce75c615e161362049e6034b97f76f3e2a47822070438b07fb949a76354dd

    • SHA512

      9539f8249a97dac4743241d20e5a49001e231b274d03f0eddb9c016aede7e1abfad91dbde92b8e2e20c19033f2e84f256ff8a3cbf8511c62d67fd0d71cf31237

    • SSDEEP

      6144:MWBk6x4A6u7fueloHbD5W3glbGFIasUDsIjos:/k6x4A6u7f7aH5W3ybwwUb

    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