Overview

overview

10

Static

static

10

6e73309677...1f.exe

windows7-x64

10

6e73309677...1f.exe

windows10-2004-x64

10

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General

  • Target

    6e7330967778b92852f2c9b58b8e6fabf4d28e71b1f214f46d1fb97a1691fb1f

  • Size

    276KB

  • Sample

    241224-291easzpew

  • MD5

    c00f390ca83175c4ff72d425f1edb751

  • SHA1

    82b1d5d143e62b1884dbd132584a70230f087634

  • SHA256

    6e7330967778b92852f2c9b58b8e6fabf4d28e71b1f214f46d1fb97a1691fb1f

  • SHA512

    80f1ac989c68c5d53c6f95eacdebfbd77e28b38ace24809eb7b5404979d58c64d40a9113b3d421fc01f10d9cb52a2b677f84f7df1a034547d0a071e94239f16b

  • SSDEEP

    3072:kVA4XZHtC1+Bf/3AueS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtO:kO1qPAudZMGXF5ahdt3rM8d7TtLa

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

      6e7330967778b92852f2c9b58b8e6fabf4d28e71b1f214f46d1fb97a1691fb1f

    • Size

      276KB

    • MD5

      c00f390ca83175c4ff72d425f1edb751

    • SHA1

      82b1d5d143e62b1884dbd132584a70230f087634

    • SHA256

      6e7330967778b92852f2c9b58b8e6fabf4d28e71b1f214f46d1fb97a1691fb1f

    • SHA512

      80f1ac989c68c5d53c6f95eacdebfbd77e28b38ace24809eb7b5404979d58c64d40a9113b3d421fc01f10d9cb52a2b677f84f7df1a034547d0a071e94239f16b

    • SSDEEP

      3072:kVA4XZHtC1+Bf/3AueS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtO:kO1qPAudZMGXF5ahdt3rM8d7TtLa

    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