Overview

overview

10

Static

static

10

a31935bde5...0N.exe

windows7-x64

10

a31935bde5...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a31935bde55d583aecd183b7b6a5ba443faeb93d9f6895eff48b214b03a27960N.exe

  • Size

    320KB

  • Sample

    250120-la724asnak

  • MD5

    2b2b946c562341881a9362204bdf76a0

  • SHA1

    b859c1baf4a645009cfa5cd40d222164d1b6cb50

  • SHA256

    a31935bde55d583aecd183b7b6a5ba443faeb93d9f6895eff48b214b03a27960

  • SHA512

    a41aee01b229ee7bebba3d59dab485f81bfa512478b74add5e81e220f5edff50dc5c8baff8d0c8b2050ffb10771e2fe66a6f32fb3694e4a7fe87137c00175afa

  • SSDEEP

    6144:TtXu35TxKhSF3QdQQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:RXaT5QK/+zrWAI5KFum/+zrWAIAqe

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

      a31935bde55d583aecd183b7b6a5ba443faeb93d9f6895eff48b214b03a27960N.exe

    • Size

      320KB

    • MD5

      2b2b946c562341881a9362204bdf76a0

    • SHA1

      b859c1baf4a645009cfa5cd40d222164d1b6cb50

    • SHA256

      a31935bde55d583aecd183b7b6a5ba443faeb93d9f6895eff48b214b03a27960

    • SHA512

      a41aee01b229ee7bebba3d59dab485f81bfa512478b74add5e81e220f5edff50dc5c8baff8d0c8b2050ffb10771e2fe66a6f32fb3694e4a7fe87137c00175afa

    • SSDEEP

      6144:TtXu35TxKhSF3QdQQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:RXaT5QK/+zrWAI5KFum/+zrWAIAqe

    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