Overview

overview

10

Static

static

3

a620bb5ed0...17.exe

windows7-x64

10

a620bb5ed0...17.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a620bb5ed09f66c15a1bafa78c070375a264f2f0fdc48110fd79506847838917.exe

  • Size

    72KB

  • Sample

    241123-ynr91stka1

  • MD5

    dc34b2a673b2cb6f9e4cb6a092a21252

  • SHA1

    b4850d8f15f8b3590d53a713ba7bc6a4d4481857

  • SHA256

    a620bb5ed09f66c15a1bafa78c070375a264f2f0fdc48110fd79506847838917

  • SHA512

    cb76abb5c5654ef3bd4c75f4c6dc61785365d17e3ae5ba78c3d546d6c586552b40127bd1172856ab74e3be738f48460cfdd99f8910654fa60b23b541bdfddf0a

  • SSDEEP

    768:LFMoTG63X4jYrukwUqDz9iZXpW0MEMymk4rWAGLa/pvcuOCangAtC5WAr60/49NU:JMoZJhqDmra/+fCagAtC5dOggfFhNgUk

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

      a620bb5ed09f66c15a1bafa78c070375a264f2f0fdc48110fd79506847838917.exe

    • Size

      72KB

    • MD5

      dc34b2a673b2cb6f9e4cb6a092a21252

    • SHA1

      b4850d8f15f8b3590d53a713ba7bc6a4d4481857

    • SHA256

      a620bb5ed09f66c15a1bafa78c070375a264f2f0fdc48110fd79506847838917

    • SHA512

      cb76abb5c5654ef3bd4c75f4c6dc61785365d17e3ae5ba78c3d546d6c586552b40127bd1172856ab74e3be738f48460cfdd99f8910654fa60b23b541bdfddf0a

    • SSDEEP

      768:LFMoTG63X4jYrukwUqDz9iZXpW0MEMymk4rWAGLa/pvcuOCangAtC5WAr60/49NU:JMoZJhqDmra/+fCagAtC5dOggfFhNgUk

    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