Overview

overview

10

Static

static

3

476cff2c94...bN.exe

windows7-x64

10

476cff2c94...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    476cff2c942b9dea7ef6d6f99794727f12f04f455a44927dc902cdc86e14f7ebN

  • Size

    72KB

  • Sample

    240927-mffepsxfqr

  • MD5

    3755112e97c6f5e92d1ef2f8bbafc900

  • SHA1

    69f9c810a7dca14dde2e0343d5cf73d8f3151908

  • SHA256

    476cff2c942b9dea7ef6d6f99794727f12f04f455a44927dc902cdc86e14f7eb

  • SHA512

    e91ddb6a520604a3d69b583a5bdf23504983ae92eb256d21bd2cd03ce4ddea7736b60aef35450d0b682d8bf59475a38a1034721092152a69208af0746334d649

  • SSDEEP

    1536:x1Q9HXCuzsnym1NRWhSyl2ZNCnqeOuOv01zixSPtOcFyCKdsdUjU/qgB:xKNXCfyYCzhO4+gBB

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

      476cff2c942b9dea7ef6d6f99794727f12f04f455a44927dc902cdc86e14f7ebN

    • Size

      72KB

    • MD5

      3755112e97c6f5e92d1ef2f8bbafc900

    • SHA1

      69f9c810a7dca14dde2e0343d5cf73d8f3151908

    • SHA256

      476cff2c942b9dea7ef6d6f99794727f12f04f455a44927dc902cdc86e14f7eb

    • SHA512

      e91ddb6a520604a3d69b583a5bdf23504983ae92eb256d21bd2cd03ce4ddea7736b60aef35450d0b682d8bf59475a38a1034721092152a69208af0746334d649

    • SSDEEP

      1536:x1Q9HXCuzsnym1NRWhSyl2ZNCnqeOuOv01zixSPtOcFyCKdsdUjU/qgB:xKNXCfyYCzhO4+gBB

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks