Overview

overview

10

Static

static

3

1debf110ec...a8.exe

windows7-x64

10

1debf110ec...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1debf110ec8bfe04380785ff446ca5c5e6e9daae51dd639c01c381eac1591ea8

  • Size

    92KB

  • Sample

    241208-y845baymar

  • MD5

    b5f8c587e1e62e49189862383c9af17f

  • SHA1

    fbf9c50d4100961f75b7f7390581e698414658c3

  • SHA256

    1debf110ec8bfe04380785ff446ca5c5e6e9daae51dd639c01c381eac1591ea8

  • SHA512

    a27cde1e168592c4c9332d0b44cffa0f4e671eeaaba23bba367e2c562dc0e157ce92f497d9c31dfcf373675613da5ec6c69be17d9874e3cf9c9d66d66517138a

  • SSDEEP

    1536:v+dGxfZ/X0eV2eLGZa3rgmfCcF5EOk4KK4/kx7KJ7RUSOUnKQrUoR24HsUU:vnhTAgymzPggKJ7RUSa6THsb

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

      1debf110ec8bfe04380785ff446ca5c5e6e9daae51dd639c01c381eac1591ea8

    • Size

      92KB

    • MD5

      b5f8c587e1e62e49189862383c9af17f

    • SHA1

      fbf9c50d4100961f75b7f7390581e698414658c3

    • SHA256

      1debf110ec8bfe04380785ff446ca5c5e6e9daae51dd639c01c381eac1591ea8

    • SHA512

      a27cde1e168592c4c9332d0b44cffa0f4e671eeaaba23bba367e2c562dc0e157ce92f497d9c31dfcf373675613da5ec6c69be17d9874e3cf9c9d66d66517138a

    • SSDEEP

      1536:v+dGxfZ/X0eV2eLGZa3rgmfCcF5EOk4KK4/kx7KJ7RUSOUnKQrUoR24HsUU:vnhTAgymzPggKJ7RUSa6THsb

    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