Overview

overview

10

Static

static

3

1e8502e4c5...a0.exe

windows7-x64

10

1e8502e4c5...a0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1e8502e4c51f540b9d4788a88e7686637587b59dff6e348a7a289384e71f69a0

  • Size

    90KB

  • Sample

    241123-y2lz6a1kbn

  • MD5

    37a2ef65ddd634c6a1858ab4acab81d3

  • SHA1

    ad3699410152816b0ba70c95d6e0f348feb78f88

  • SHA256

    1e8502e4c51f540b9d4788a88e7686637587b59dff6e348a7a289384e71f69a0

  • SHA512

    34c8b2714a7412e015a3d6112c2bdb70f2f1ecf13afe85879c5db70abb7c51259bb493e6b647514f3972caca9e4a7a84d8d450eb749e0848c8e4bb6195bab075

  • SSDEEP

    1536:HXqcKGNqBZNSJ3p42RDH6CevZ4NG37sFk9s8GYu/Ub0VkVNK:azevDH6CevZ4EOss8GYu/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

      1e8502e4c51f540b9d4788a88e7686637587b59dff6e348a7a289384e71f69a0

    • Size

      90KB

    • MD5

      37a2ef65ddd634c6a1858ab4acab81d3

    • SHA1

      ad3699410152816b0ba70c95d6e0f348feb78f88

    • SHA256

      1e8502e4c51f540b9d4788a88e7686637587b59dff6e348a7a289384e71f69a0

    • SHA512

      34c8b2714a7412e015a3d6112c2bdb70f2f1ecf13afe85879c5db70abb7c51259bb493e6b647514f3972caca9e4a7a84d8d450eb749e0848c8e4bb6195bab075

    • SSDEEP

      1536:HXqcKGNqBZNSJ3p42RDH6CevZ4NG37sFk9s8GYu/Ub0VkVNK:azevDH6CevZ4EOss8GYu/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

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks