Overview

overview

10

Static

static

10

25f6e2b1c9...70.exe

windows7-x64

10

25f6e2b1c9...70.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    25f6e2b1c995a82c59fd3280097182f629d70f7d9ce1b5e58c3d880c8c776070

  • Size

    256KB

  • Sample

    250305-1va1eszwhw

  • MD5

    2b787d7817ba3136b35a1c9de298861f

  • SHA1

    61fa5f92c0846e5c595498dc304d3be0aeb794c7

  • SHA256

    25f6e2b1c995a82c59fd3280097182f629d70f7d9ce1b5e58c3d880c8c776070

  • SHA512

    2b15912ae2261253dff09905087eba00042f149e2bc01fab3fab4acbdab81fe355568e4cc048272c45c78cc5869984d756b683623a92afa827836353688ac33a

  • SSDEEP

    6144:y8gwoj94ZcO4rQD85k/hQO+zrWnAdqjeOpKfduBU:6woj944rQg5W/+zrWAI5KFuU

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

      25f6e2b1c995a82c59fd3280097182f629d70f7d9ce1b5e58c3d880c8c776070

    • Size

      256KB

    • MD5

      2b787d7817ba3136b35a1c9de298861f

    • SHA1

      61fa5f92c0846e5c595498dc304d3be0aeb794c7

    • SHA256

      25f6e2b1c995a82c59fd3280097182f629d70f7d9ce1b5e58c3d880c8c776070

    • SHA512

      2b15912ae2261253dff09905087eba00042f149e2bc01fab3fab4acbdab81fe355568e4cc048272c45c78cc5869984d756b683623a92afa827836353688ac33a

    • SSDEEP

      6144:y8gwoj94ZcO4rQD85k/hQO+zrWnAdqjeOpKfduBU:6woj944rQg5W/+zrWAI5KFuU

    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