Overview

overview

10

Static

static

3

4a7ab0ee4f...5N.exe

windows7-x64

10

4a7ab0ee4f...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4a7ab0ee4f234aeff27946c0c0f7db93d4f320549896c09f71255553486f3d05N.exe

  • Size

    280KB

  • Sample

    241222-lzpxtatmav

  • MD5

    18853024e82753953c283be1b36648e0

  • SHA1

    f6b5b3f189830762905703072105e941a6ff818e

  • SHA256

    4a7ab0ee4f234aeff27946c0c0f7db93d4f320549896c09f71255553486f3d05

  • SHA512

    c4e838c2087a856e6d79b7d741fa3fc943d73b59455b96c4a169f331d49a19c19f0ffaa079b69ee88d3c6d869db404058a8b5d07706c5dc9d96b68f362f7390f

  • SSDEEP

    6144:5t4R619OZbUi/GOORjMmRUoooooooooooooooooooooooooy/G3:/4A9Oei//OVLCoooooooooooooooooo0

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

      4a7ab0ee4f234aeff27946c0c0f7db93d4f320549896c09f71255553486f3d05N.exe

    • Size

      280KB

    • MD5

      18853024e82753953c283be1b36648e0

    • SHA1

      f6b5b3f189830762905703072105e941a6ff818e

    • SHA256

      4a7ab0ee4f234aeff27946c0c0f7db93d4f320549896c09f71255553486f3d05

    • SHA512

      c4e838c2087a856e6d79b7d741fa3fc943d73b59455b96c4a169f331d49a19c19f0ffaa079b69ee88d3c6d869db404058a8b5d07706c5dc9d96b68f362f7390f

    • SSDEEP

      6144:5t4R619OZbUi/GOORjMmRUoooooooooooooooooooooooooy/G3:/4A9Oei//OVLCoooooooooooooooooo0

    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