Overview

overview

10

Static

static

3

b599e2b2ae...37.exe

windows7-x64

10

b599e2b2ae...37.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b599e2b2ae85d5fb0baad8769b5775a71a707f81e3b7a8572f323f1754aa8e37

  • Size

    1.3MB

  • Sample

    241225-yl145svrcr

  • MD5

    8475e080f276da0f8dcc57458c0005bc

  • SHA1

    2ca389395c7681b91468bd92993faadec83e9214

  • SHA256

    b599e2b2ae85d5fb0baad8769b5775a71a707f81e3b7a8572f323f1754aa8e37

  • SHA512

    7cacfabf355e0643b6853902abd5330441adecc614b227824d9d2a8f020cf1a0f959426753452312aeacfc876cdac529ea16830053d0fdfeaec047c89180d82d

  • SSDEEP

    12288:PYR5692/MeAbaz22cWfVaw0HBHY8r8ABjMn:PG/jsaK2cWfVaw0HB48r8ABY

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

      b599e2b2ae85d5fb0baad8769b5775a71a707f81e3b7a8572f323f1754aa8e37

    • Size

      1.3MB

    • MD5

      8475e080f276da0f8dcc57458c0005bc

    • SHA1

      2ca389395c7681b91468bd92993faadec83e9214

    • SHA256

      b599e2b2ae85d5fb0baad8769b5775a71a707f81e3b7a8572f323f1754aa8e37

    • SHA512

      7cacfabf355e0643b6853902abd5330441adecc614b227824d9d2a8f020cf1a0f959426753452312aeacfc876cdac529ea16830053d0fdfeaec047c89180d82d

    • SSDEEP

      12288:PYR5692/MeAbaz22cWfVaw0HBHY8r8ABjMn:PG/jsaK2cWfVaw0HB48r8ABY

    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