Overview

overview

10

Static

static

3

d6ca620dfa...55.exe

windows7-x64

10

d6ca620dfa...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d6ca620dfaefbda9d86ee26a7793ba1f16476a8c41ff5b14bd62fcfeebdb2055

  • Size

    89KB

  • Sample

    241121-k2jm5s1jbx

  • MD5

    a1cc5baf1d66f29dbf2bc3fe4ea32866

  • SHA1

    4c6dd068b7f1bd27816ffa98a2bd6834179f4243

  • SHA256

    d6ca620dfaefbda9d86ee26a7793ba1f16476a8c41ff5b14bd62fcfeebdb2055

  • SHA512

    9f8baa6254a1434f4c54cb4e6c2dc77e6f40f2daa8a548271119d58d300599853a775fa05b453cc04a13612c92adbe569ec925db6bb05fbc40f1270dc0ca9ec1

  • SSDEEP

    1536:IS7aa94m9hIm9ki+H24nqH9aTXqxMIE6wUgey3W8bzcklExkg8Fk:T7b94m9hfH+WZH9aLOMv6Pj8PcklakgN

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

      d6ca620dfaefbda9d86ee26a7793ba1f16476a8c41ff5b14bd62fcfeebdb2055

    • Size

      89KB

    • MD5

      a1cc5baf1d66f29dbf2bc3fe4ea32866

    • SHA1

      4c6dd068b7f1bd27816ffa98a2bd6834179f4243

    • SHA256

      d6ca620dfaefbda9d86ee26a7793ba1f16476a8c41ff5b14bd62fcfeebdb2055

    • SHA512

      9f8baa6254a1434f4c54cb4e6c2dc77e6f40f2daa8a548271119d58d300599853a775fa05b453cc04a13612c92adbe569ec925db6bb05fbc40f1270dc0ca9ec1

    • SSDEEP

      1536:IS7aa94m9hIm9ki+H24nqH9aTXqxMIE6wUgey3W8bzcklExkg8Fk:T7b94m9hfH+WZH9aLOMv6Pj8PcklakgN

    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