Overview

overview

10

Static

static

3

77c3e8d08e...ae.exe

windows7-x64

10

77c3e8d08e...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    77c3e8d08e5160c8c1de43d3a530cb3e1ad9504b3928d4834a6b5943af3104ae

  • Size

    72KB

  • Sample

    241224-3ms75s1jfw

  • MD5

    4cecedd961e9fa1736f75c2c968c26b9

  • SHA1

    25d5a6fd1fa6a2f1b196a17f47f36612bdb0178d

  • SHA256

    77c3e8d08e5160c8c1de43d3a530cb3e1ad9504b3928d4834a6b5943af3104ae

  • SHA512

    fbc707675f3448c3933c41c1f6f8b011997bf2bb77f4a489e6439bcd52e5b7761e2bb29c499425613b415de3ee402ad258c9520b6b216efa6c806fd0c01ff4ec

  • SSDEEP

    1536:tpc4oA7HbAV+hdzA8LV1T1opwFrktTg3ruO/bYFkTbDI/pHv6I:ta4oArbAVabT/buWYgvI/dv6I

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

      77c3e8d08e5160c8c1de43d3a530cb3e1ad9504b3928d4834a6b5943af3104ae

    • Size

      72KB

    • MD5

      4cecedd961e9fa1736f75c2c968c26b9

    • SHA1

      25d5a6fd1fa6a2f1b196a17f47f36612bdb0178d

    • SHA256

      77c3e8d08e5160c8c1de43d3a530cb3e1ad9504b3928d4834a6b5943af3104ae

    • SHA512

      fbc707675f3448c3933c41c1f6f8b011997bf2bb77f4a489e6439bcd52e5b7761e2bb29c499425613b415de3ee402ad258c9520b6b216efa6c806fd0c01ff4ec

    • SSDEEP

      1536:tpc4oA7HbAV+hdzA8LV1T1opwFrktTg3ruO/bYFkTbDI/pHv6I:ta4oArbAVabT/buWYgvI/dv6I

    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