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Overview

overview

10

Static

static

3

b0b13cbedd...cN.exe

windows7-x64

10

b0b13cbedd...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b0b13cbedd628cc948c64bbc398ce1949d66b6e7e6d5e44a81720a6ae6e77e2cN

  • Size

    109KB

  • Sample

    240928-kllskaygng

  • MD5

    26f0c2de5dddc45a7f8b5802879ebe60

  • SHA1

    64065d0c682aca1d76509d1f407625053ea4772f

  • SHA256

    b0b13cbedd628cc948c64bbc398ce1949d66b6e7e6d5e44a81720a6ae6e77e2c

  • SHA512

    ac9b97c99bb1d2345e5300369838577cff3a7752241927b461d6991c6aaddf7a7c2920a35c268b388315129adc0cb2ed31db7ae4b85d3b60470d5418a5e02658

  • SSDEEP

    3072:FbNHkB/6OzQsjzMuSV05Zi7wKgoUJ9PLCqwzBu1DjHLMVDqqkSpR:FbNHkB/6OnIcrjJ9jwtu1DjrFqhz

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

      b0b13cbedd628cc948c64bbc398ce1949d66b6e7e6d5e44a81720a6ae6e77e2cN

    • Size

      109KB

    • MD5

      26f0c2de5dddc45a7f8b5802879ebe60

    • SHA1

      64065d0c682aca1d76509d1f407625053ea4772f

    • SHA256

      b0b13cbedd628cc948c64bbc398ce1949d66b6e7e6d5e44a81720a6ae6e77e2c

    • SHA512

      ac9b97c99bb1d2345e5300369838577cff3a7752241927b461d6991c6aaddf7a7c2920a35c268b388315129adc0cb2ed31db7ae4b85d3b60470d5418a5e02658

    • SSDEEP

      3072:FbNHkB/6OzQsjzMuSV05Zi7wKgoUJ9PLCqwzBu1DjHLMVDqqkSpR:FbNHkB/6OnIcrjJ9jwtu1DjrFqhz

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks