Overview

overview

10

Static

static

3

1f2333d3ec...cN.exe

windows7-x64

10

1f2333d3ec...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1f2333d3ecbad840578d42cba0041e963a26caf640a9e0861c448d4ec78ec13cN

  • Size

    144KB

  • Sample

    241002-bsdwvszfkq

  • MD5

    aa91eff76d2df21c70549d2b08ed4570

  • SHA1

    8a0a3e08dc287b2f7839e6a8cc0e7ddfbce82b6f

  • SHA256

    1f2333d3ecbad840578d42cba0041e963a26caf640a9e0861c448d4ec78ec13c

  • SHA512

    876bae573e59685472495b8b3e58b6d5e219e5a9afedd10606c6e472db3d71604bf0d885169bf7b0d232ca61f8a8511dfc0f2e454c57aa1b6a4682df8443cbf6

  • SSDEEP

    3072:XwCeY9BnWbTkoUduY94HeMptszdH13+EE+RaZ6r+GDZnBcV8:XfSTkNanzszd5IF6rfBBcV8

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

      1f2333d3ecbad840578d42cba0041e963a26caf640a9e0861c448d4ec78ec13cN

    • Size

      144KB

    • MD5

      aa91eff76d2df21c70549d2b08ed4570

    • SHA1

      8a0a3e08dc287b2f7839e6a8cc0e7ddfbce82b6f

    • SHA256

      1f2333d3ecbad840578d42cba0041e963a26caf640a9e0861c448d4ec78ec13c

    • SHA512

      876bae573e59685472495b8b3e58b6d5e219e5a9afedd10606c6e472db3d71604bf0d885169bf7b0d232ca61f8a8511dfc0f2e454c57aa1b6a4682df8443cbf6

    • SSDEEP

      3072:XwCeY9BnWbTkoUduY94HeMptszdH13+EE+RaZ6r+GDZnBcV8:XfSTkNanzszd5IF6rfBBcV8

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks