Overview

overview

10

Static

static

10

5c7691bb6a...32.exe

windows7-x64

10

5c7691bb6a...32.exe

windows10-2004-x64

10

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General

  • Target

    5c7691bb6acf7f3c6452288c30e857abba60b5c9bd5d1f1fbfd63f32c550ea32

  • Size

    160KB

  • Sample

    241223-1kb5qssmdm

  • MD5

    ff6ad0651d262d943f8e60626613ffec

  • SHA1

    d3ddee9d6735b5464087f9d8481622c9ae0c76a3

  • SHA256

    5c7691bb6acf7f3c6452288c30e857abba60b5c9bd5d1f1fbfd63f32c550ea32

  • SHA512

    cc14f391df842ae79d447b4e7ca4823e496f8fc41c3ff0b4ca7b0863ae3f721345d15646eef238c26d5ef35740c91f6629089066c756dae2b97c42ba38c3dd4c

  • SSDEEP

    3072:43XPJciwMpFrYgdLvDKdd+HnZnbQgb3a3+X13XRzrgHq/Wp+YmKfxgQdxvr:2JiMFrfq2nZbt7aOl3BzrUmKyIxT

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

      5c7691bb6acf7f3c6452288c30e857abba60b5c9bd5d1f1fbfd63f32c550ea32

    • Size

      160KB

    • MD5

      ff6ad0651d262d943f8e60626613ffec

    • SHA1

      d3ddee9d6735b5464087f9d8481622c9ae0c76a3

    • SHA256

      5c7691bb6acf7f3c6452288c30e857abba60b5c9bd5d1f1fbfd63f32c550ea32

    • SHA512

      cc14f391df842ae79d447b4e7ca4823e496f8fc41c3ff0b4ca7b0863ae3f721345d15646eef238c26d5ef35740c91f6629089066c756dae2b97c42ba38c3dd4c

    • SSDEEP

      3072:43XPJciwMpFrYgdLvDKdd+HnZnbQgb3a3+X13XRzrgHq/Wp+YmKfxgQdxvr:2JiMFrfq2nZbt7aOl3BzrUmKyIxT

    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