Overview

overview

10

Static

static

3

8c42db7a42...4N.exe

windows7-x64

10

8c42db7a42...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8c42db7a422e3fe75a246ccfde5a1ddc96790c83b8bc69d5fb7b7a32bf13b174N.exe

  • Size

    92KB

  • Sample

    241123-pb95mavjey

  • MD5

    e9717a667f06d7c6b59a6ddf0b7a4eb0

  • SHA1

    4eda7a38cb1646edbb465f3c9160a99ff37cfc09

  • SHA256

    8c42db7a422e3fe75a246ccfde5a1ddc96790c83b8bc69d5fb7b7a32bf13b174

  • SHA512

    4ed2d3f66fccc0c5cfc868c6633b5ff17f56c6050d0809aeffcb9131ca05ddb75d02bcc60aef9c6706cef6c7bece1cc3d16c1fdd93c95939e88747038e74953b

  • SSDEEP

    1536:O0jdxzRY6BlM6hgOnLCZfq+PXhiXSlVBTfOmhCOW0QwJAKjOE37N3imnunGP+C:jBluOLKi8D/HJjZ37Vbe4+C

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

      8c42db7a422e3fe75a246ccfde5a1ddc96790c83b8bc69d5fb7b7a32bf13b174N.exe

    • Size

      92KB

    • MD5

      e9717a667f06d7c6b59a6ddf0b7a4eb0

    • SHA1

      4eda7a38cb1646edbb465f3c9160a99ff37cfc09

    • SHA256

      8c42db7a422e3fe75a246ccfde5a1ddc96790c83b8bc69d5fb7b7a32bf13b174

    • SHA512

      4ed2d3f66fccc0c5cfc868c6633b5ff17f56c6050d0809aeffcb9131ca05ddb75d02bcc60aef9c6706cef6c7bece1cc3d16c1fdd93c95939e88747038e74953b

    • SSDEEP

      1536:O0jdxzRY6BlM6hgOnLCZfq+PXhiXSlVBTfOmhCOW0QwJAKjOE37N3imnunGP+C:jBluOLKi8D/HJjZ37Vbe4+C

    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