Overview

overview

10

Static

static

3

4ab9cf0cc3...eN.exe

windows7-x64

10

4ab9cf0cc3...eN.exe

windows10-2004-x64

10

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General

  • Target

    4ab9cf0cc36822401ebd114c9cfdc35d16357490e86e21decac38dc28ee6ff8eN.exe

  • Size

    71KB

  • Sample

    241225-vjzxhszlhr

  • MD5

    d9a91a8e618128cf0c8836e6ecc5c050

  • SHA1

    cbef06fdf55f88fc86d7633bd737a1f1ee859267

  • SHA256

    4ab9cf0cc36822401ebd114c9cfdc35d16357490e86e21decac38dc28ee6ff8e

  • SHA512

    10352e9cf307e5c276d2acaa5f24f9ee98b9c3eb0b431d7c9774cb15e9b1d686d42380164b9d731e11db646da061366c1f07f2353f6069367958e08d129c0d97

  • SSDEEP

    1536:nNId/gtuI5q7LTWyqLLNr3haaNgERe7cVO8a2eM/RQwRK1P+ATT:Sd/gtuKq7eyqPNr3hdKcg8ahM/edP+A3

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

      4ab9cf0cc36822401ebd114c9cfdc35d16357490e86e21decac38dc28ee6ff8eN.exe

    • Size

      71KB

    • MD5

      d9a91a8e618128cf0c8836e6ecc5c050

    • SHA1

      cbef06fdf55f88fc86d7633bd737a1f1ee859267

    • SHA256

      4ab9cf0cc36822401ebd114c9cfdc35d16357490e86e21decac38dc28ee6ff8e

    • SHA512

      10352e9cf307e5c276d2acaa5f24f9ee98b9c3eb0b431d7c9774cb15e9b1d686d42380164b9d731e11db646da061366c1f07f2353f6069367958e08d129c0d97

    • SSDEEP

      1536:nNId/gtuI5q7LTWyqLLNr3haaNgERe7cVO8a2eM/RQwRK1P+ATT:Sd/gtuKq7eyqPNr3hdKcg8ahM/edP+A3

    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