Overview

overview

10

Static

static

3

7e99cd2d5b...6c.exe

windows7-x64

10

7e99cd2d5b...6c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7e99cd2d5b74914266bd1515d17a4d967b8be0f7564595879937f58b405ae26c

  • Size

    427KB

  • Sample

    250307-x47tzavwgz

  • MD5

    7b88c1d16ddc189b4f62ce76c1b60dfa

  • SHA1

    a60ee813cce6c5e1f05e43fcd3cc0c8db858579f

  • SHA256

    7e99cd2d5b74914266bd1515d17a4d967b8be0f7564595879937f58b405ae26c

  • SHA512

    aecb31d239f855f4e6b5dc09ad524dd3879d0dfd39a68f3c13e1a5af97ca80bc51e8405dcb66ebd696fa4cbb3c4c827a9cc5f7e6875100989c0ed530a4fe7394

  • SSDEEP

    1536:2eyLQOFt0WnhfLH5O4cpVM0RYSw1mir8CAjXoiDEuGg0opGCR9C:2exKt0Whj5eVM0RYSa9rR85DEn5k7rC

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

      7e99cd2d5b74914266bd1515d17a4d967b8be0f7564595879937f58b405ae26c

    • Size

      427KB

    • MD5

      7b88c1d16ddc189b4f62ce76c1b60dfa

    • SHA1

      a60ee813cce6c5e1f05e43fcd3cc0c8db858579f

    • SHA256

      7e99cd2d5b74914266bd1515d17a4d967b8be0f7564595879937f58b405ae26c

    • SHA512

      aecb31d239f855f4e6b5dc09ad524dd3879d0dfd39a68f3c13e1a5af97ca80bc51e8405dcb66ebd696fa4cbb3c4c827a9cc5f7e6875100989c0ed530a4fe7394

    • SSDEEP

      1536:2eyLQOFt0WnhfLH5O4cpVM0RYSw1mir8CAjXoiDEuGg0opGCR9C:2exKt0Whj5eVM0RYSa9rR85DEn5k7rC

    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