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Overview

overview

10

Static

static

3

72b9e0b2e3...ec.exe

windows7-x64

10

72b9e0b2e3...ec.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    72b9e0b2e3fee143e44ac342b685d50121a4fd2a7968a9d2824ba370f71833ec.exe

  • Size

    256KB

  • Sample

    241225-yd6dwsvkax

  • MD5

    e4f5c3e04768dbfc722e1fb223f0eea3

  • SHA1

    071460622881ee7f80f9949c1a88057706d779c7

  • SHA256

    72b9e0b2e3fee143e44ac342b685d50121a4fd2a7968a9d2824ba370f71833ec

  • SHA512

    a15e42f9d6d847ff61d27467eb04c253801c8d456bcc223fc8a385971c489291a8b8f599b0078eb62e0ecc6deef4aa9fa9324e9963ccfc5e989188d6aa0d4577

  • SSDEEP

    6144:uCYFw8WRvLtWIcLaTLp103ETiZ0moGP/2dga1mcyw0:uCY+8EtWDEpScXwuR1mK0

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

      72b9e0b2e3fee143e44ac342b685d50121a4fd2a7968a9d2824ba370f71833ec.exe

    • Size

      256KB

    • MD5

      e4f5c3e04768dbfc722e1fb223f0eea3

    • SHA1

      071460622881ee7f80f9949c1a88057706d779c7

    • SHA256

      72b9e0b2e3fee143e44ac342b685d50121a4fd2a7968a9d2824ba370f71833ec

    • SHA512

      a15e42f9d6d847ff61d27467eb04c253801c8d456bcc223fc8a385971c489291a8b8f599b0078eb62e0ecc6deef4aa9fa9324e9963ccfc5e989188d6aa0d4577

    • SSDEEP

      6144:uCYFw8WRvLtWIcLaTLp103ETiZ0moGP/2dga1mcyw0:uCY+8EtWDEpScXwuR1mK0

    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