Overview

overview

10

Static

static

3

2b747d69a7...d0.exe

windows7-x64

10

2b747d69a7...d0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2b747d69a7af0b707fca8d07bf686d5da8983d2bf1020c2ed6582a698f18a2d0

  • Size

    256KB

  • Sample

    250305-2askea1scw

  • MD5

    a8202640c187e47f972212ff15a6970b

  • SHA1

    8a38761ed068d0e55e09ec558469e9e5ce49df69

  • SHA256

    2b747d69a7af0b707fca8d07bf686d5da8983d2bf1020c2ed6582a698f18a2d0

  • SHA512

    09ddb0bc408ac0d1e60c9e7b4f900a1cf9240de4a90425ea5e0f0980bf15776e793795e7499f77d91250d61a570d481df1f230ba5773e207f192f5f921d3a89e

  • SSDEEP

    3072:8kxYNCa6SbS9l1ngP8LgSfAmTjlYQ1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+j:8kSbSxZAmTjV1PY1PRe19V+j

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

      2b747d69a7af0b707fca8d07bf686d5da8983d2bf1020c2ed6582a698f18a2d0

    • Size

      256KB

    • MD5

      a8202640c187e47f972212ff15a6970b

    • SHA1

      8a38761ed068d0e55e09ec558469e9e5ce49df69

    • SHA256

      2b747d69a7af0b707fca8d07bf686d5da8983d2bf1020c2ed6582a698f18a2d0

    • SHA512

      09ddb0bc408ac0d1e60c9e7b4f900a1cf9240de4a90425ea5e0f0980bf15776e793795e7499f77d91250d61a570d481df1f230ba5773e207f192f5f921d3a89e

    • SSDEEP

      3072:8kxYNCa6SbS9l1ngP8LgSfAmTjlYQ1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+j:8kSbSxZAmTjV1PY1PRe19V+j

    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