Overview

overview

10

Static

static

10

f4ccf5aa1e...cb.exe

windows7-x64

10

f4ccf5aa1e...cb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f4ccf5aa1e335225c336ae75c4ae65a13f4e244581c98a0333b6154a0946accb

  • Size

    520KB

  • Sample

    250306-r9y65a1tbx

  • MD5

    a9200466556b0ba20fb275d5ddcd5805

  • SHA1

    25b861ece5f35a108acb313695cd7da5cf1b2ca6

  • SHA256

    f4ccf5aa1e335225c336ae75c4ae65a13f4e244581c98a0333b6154a0946accb

  • SHA512

    8a5f1177a4e841a9abf7b8ea336da9244107d1664eb384271629f8d5398bb470168dda1ad517502b27b230dae1d2e03e6e14d37c8b1a00c36380e616149841ca

  • SSDEEP

    6144:TUf5kDFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEH:QfoFB24lwR45FB24lJ87g7/VycgEH

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      f4ccf5aa1e335225c336ae75c4ae65a13f4e244581c98a0333b6154a0946accb

    • Size

      520KB

    • MD5

      a9200466556b0ba20fb275d5ddcd5805

    • SHA1

      25b861ece5f35a108acb313695cd7da5cf1b2ca6

    • SHA256

      f4ccf5aa1e335225c336ae75c4ae65a13f4e244581c98a0333b6154a0946accb

    • SHA512

      8a5f1177a4e841a9abf7b8ea336da9244107d1664eb384271629f8d5398bb470168dda1ad517502b27b230dae1d2e03e6e14d37c8b1a00c36380e616149841ca

    • SSDEEP

      6144:TUf5kDFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEH:QfoFB24lwR45FB24lJ87g7/VycgEH

    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