Overview

overview

10

Static

static

3

ef03094390...dN.exe

windows7-x64

10

ef03094390...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef03094390de85b2f8689223db3b830f2fc09c92343043ebd98a4544227c170dN.exe

  • Size

    448KB

  • Sample

    241120-fav5mswlcl

  • MD5

    b2a1fc1ad8bd64cf11718211ba335c70

  • SHA1

    898d7f3f056ecf806e8e431c34de8a38299ddd14

  • SHA256

    ef03094390de85b2f8689223db3b830f2fc09c92343043ebd98a4544227c170d

  • SHA512

    d8c8be3ef9728ec4ca88632b0f053f0133c164d3d9b182ef34182e0fa5387ad3e54ce79bed534c40df29f28cabf065a36f9caf3673ea1a6c6fe75de80f9e4688

  • SSDEEP

    6144:CqZd0JrIhRBe6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+42GTQMJSZO5f7wj7vm:CiiJ0ckY660fIaDZkY660f8jTK/h

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

      ef03094390de85b2f8689223db3b830f2fc09c92343043ebd98a4544227c170dN.exe

    • Size

      448KB

    • MD5

      b2a1fc1ad8bd64cf11718211ba335c70

    • SHA1

      898d7f3f056ecf806e8e431c34de8a38299ddd14

    • SHA256

      ef03094390de85b2f8689223db3b830f2fc09c92343043ebd98a4544227c170d

    • SHA512

      d8c8be3ef9728ec4ca88632b0f053f0133c164d3d9b182ef34182e0fa5387ad3e54ce79bed534c40df29f28cabf065a36f9caf3673ea1a6c6fe75de80f9e4688

    • SSDEEP

      6144:CqZd0JrIhRBe6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+42GTQMJSZO5f7wj7vm:CiiJ0ckY660fIaDZkY660f8jTK/h

    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