Overview

overview

10

Static

static

3

a5b83977af...81.exe

windows7-x64

10

a5b83977af...81.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    a5b83977af14947a3e3edbfa366b861981b96ab5548960f7d8b579a773b4e781

  • Size

    90KB

  • Sample

    241123-cewp7avnh1

  • MD5

    798315cc0e23908f72c2edbf4a072749

  • SHA1

    85691f5e7b506f30e2507b1a17b369588e8fc502

  • SHA256

    a5b83977af14947a3e3edbfa366b861981b96ab5548960f7d8b579a773b4e781

  • SHA512

    40e98e7ae7d5c48cd6bfe794ced7224d988629da5b0404096dd3ec3d3fe49fe3b40ce4ef799b91e9fb93697ea00466ec96884b751ba76f0b487d5a12d0dca2d5

  • SSDEEP

    1536:hanivgz7SEdZzxwhWXRdP90XFLcBSAwbN/n88S79FUZZtUBF7XkZfOOQ/4BrGTI4:hanivy7lnScRdPJBSAE/88y9FUuF7IUh

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

      a5b83977af14947a3e3edbfa366b861981b96ab5548960f7d8b579a773b4e781

    • Size

      90KB

    • MD5

      798315cc0e23908f72c2edbf4a072749

    • SHA1

      85691f5e7b506f30e2507b1a17b369588e8fc502

    • SHA256

      a5b83977af14947a3e3edbfa366b861981b96ab5548960f7d8b579a773b4e781

    • SHA512

      40e98e7ae7d5c48cd6bfe794ced7224d988629da5b0404096dd3ec3d3fe49fe3b40ce4ef799b91e9fb93697ea00466ec96884b751ba76f0b487d5a12d0dca2d5

    • SSDEEP

      1536:hanivgz7SEdZzxwhWXRdP90XFLcBSAwbN/n88S79FUZZtUBF7XkZfOOQ/4BrGTI4:hanivy7lnScRdPJBSAE/88y9FUuF7IUh

    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