Overview

overview

10

Static

static

3

ff8421e09f...da.exe

windows7-x64

10

ff8421e09f...da.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff8421e09fc3f7cf48bacf76cb5bfd5b023483a46fe9340e9763527cfba195da

  • Size

    89KB

  • Sample

    241224-dn4yla1kan

  • MD5

    97dae431fe1b19ce28a127d3106d6ea9

  • SHA1

    40422e7136cf1e176fd4ffdd78ebab3552e67475

  • SHA256

    ff8421e09fc3f7cf48bacf76cb5bfd5b023483a46fe9340e9763527cfba195da

  • SHA512

    81c2b216b0828759d8d9cfed1b421f66e74cce8099ae27a3a463a47126fa1356a8e44f0b0c4836f4b8fe73bf1510d5e69bd0bd648161e89617b595533e8c70aa

  • SSDEEP

    1536:PqyooCTnbFRS3ZRhhUZg7vPt/M8Blcwss5SHrkDQN4PhjwcUulExkg8F:TooCbRRIZr2adXBlHX5SYK4pjwcplakh

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

      ff8421e09fc3f7cf48bacf76cb5bfd5b023483a46fe9340e9763527cfba195da

    • Size

      89KB

    • MD5

      97dae431fe1b19ce28a127d3106d6ea9

    • SHA1

      40422e7136cf1e176fd4ffdd78ebab3552e67475

    • SHA256

      ff8421e09fc3f7cf48bacf76cb5bfd5b023483a46fe9340e9763527cfba195da

    • SHA512

      81c2b216b0828759d8d9cfed1b421f66e74cce8099ae27a3a463a47126fa1356a8e44f0b0c4836f4b8fe73bf1510d5e69bd0bd648161e89617b595533e8c70aa

    • SSDEEP

      1536:PqyooCTnbFRS3ZRhhUZg7vPt/M8Blcwss5SHrkDQN4PhjwcUulExkg8F:TooCbRRIZr2adXBlHX5SYK4pjwcplakh

    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