Overview

overview

10

Static

static

3

f8ed55188a...dN.exe

windows7-x64

10

f8ed55188a...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f8ed55188afb4887a52ace7cd84bc1f05818d37714b9660bc2c7eeb1ac1c46adN

  • Size

    90KB

  • Sample

    240928-pkjn2aybkc

  • MD5

    71afe3da1f7234ca4e2d4b2b9825b750

  • SHA1

    b53ebb0f06528a6e41257ac773ce4df96e9baa69

  • SHA256

    f8ed55188afb4887a52ace7cd84bc1f05818d37714b9660bc2c7eeb1ac1c46ad

  • SHA512

    1d3a298aa48c444e320ad14ae4803953153f3bd1642ca2f276cb5e07dd0e59c5180355cc0bf1f95e0ffb56633d50f8ba4c5b64411df0f26ba9a52b89616e774f

  • SSDEEP

    1536:T05kYidsDNPTBdNjekxy/sopxDzP9p8RqvLcUzNt8Gqu/Ub0VkVNK:T0yYEsdTX2rpxk4THzNt8Gqu/Ub0+NK

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

      f8ed55188afb4887a52ace7cd84bc1f05818d37714b9660bc2c7eeb1ac1c46adN

    • Size

      90KB

    • MD5

      71afe3da1f7234ca4e2d4b2b9825b750

    • SHA1

      b53ebb0f06528a6e41257ac773ce4df96e9baa69

    • SHA256

      f8ed55188afb4887a52ace7cd84bc1f05818d37714b9660bc2c7eeb1ac1c46ad

    • SHA512

      1d3a298aa48c444e320ad14ae4803953153f3bd1642ca2f276cb5e07dd0e59c5180355cc0bf1f95e0ffb56633d50f8ba4c5b64411df0f26ba9a52b89616e774f

    • SSDEEP

      1536:T05kYidsDNPTBdNjekxy/sopxDzP9p8RqvLcUzNt8Gqu/Ub0VkVNK:T0yYEsdTX2rpxk4THzNt8Gqu/Ub0+NK

    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