Overview

overview

10

Static

static

3

84ee91cfcd...23.exe

windows7-x64

10

84ee91cfcd...23.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    84ee91cfcd8c4c06fb906ff1d9b60d4347ba6cc14d40d340ed1a61f2d9862a23

  • Size

    512KB

  • Sample

    250307-1wfbjaxzet

  • MD5

    a1400da525865f7336fd0756ceba50ff

  • SHA1

    4d496db8efec58b8f77599fd713e69586a923b17

  • SHA256

    84ee91cfcd8c4c06fb906ff1d9b60d4347ba6cc14d40d340ed1a61f2d9862a23

  • SHA512

    a8ebc36ac6709ca87196fdd31c626f5f50b9fa098b6bbd6310ea3776dca72c755b3696d5c09b58a1d9a001fada87bac40c792c8fd524c46e310a33c1e5fa8f84

  • SSDEEP

    12288:NpUTVpXAGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSg9:45pXAGyXsGG1ws5ipr

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

      84ee91cfcd8c4c06fb906ff1d9b60d4347ba6cc14d40d340ed1a61f2d9862a23

    • Size

      512KB

    • MD5

      a1400da525865f7336fd0756ceba50ff

    • SHA1

      4d496db8efec58b8f77599fd713e69586a923b17

    • SHA256

      84ee91cfcd8c4c06fb906ff1d9b60d4347ba6cc14d40d340ed1a61f2d9862a23

    • SHA512

      a8ebc36ac6709ca87196fdd31c626f5f50b9fa098b6bbd6310ea3776dca72c755b3696d5c09b58a1d9a001fada87bac40c792c8fd524c46e310a33c1e5fa8f84

    • SSDEEP

      12288:NpUTVpXAGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSg9:45pXAGyXsGG1ws5ipr

    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