Overview

overview

10

Static

static

3

7a3b985323...dd.exe

windows7-x64

10

7a3b985323...dd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a3b9853231f9cc02e6a5fa7a9c38c6d8f38b63047a4d23673c089349fb8c7dd

  • Size

    552KB

  • Sample

    250307-v73cjsvlt4

  • MD5

    8a70917a310403aa80a8a1f0704457a7

  • SHA1

    ed16bad68fc0a6966692caba6204e8a8e95a4bf8

  • SHA256

    7a3b9853231f9cc02e6a5fa7a9c38c6d8f38b63047a4d23673c089349fb8c7dd

  • SHA512

    c5107da8991d6e480c2a8e22720d01e7aaf6141645c1e81a2ecb3cf2be27c7078f827bc960ac4ac8a454c8876b03c83612bcbb43517c1a4fd1c17a4d8c1ca50d

  • SSDEEP

    6144:N+C5W7z1ubi+F8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloBNTNxaaqX:Nt0zE+287g7/VycgE81lgxaa8

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      7a3b9853231f9cc02e6a5fa7a9c38c6d8f38b63047a4d23673c089349fb8c7dd

    • Size

      552KB

    • MD5

      8a70917a310403aa80a8a1f0704457a7

    • SHA1

      ed16bad68fc0a6966692caba6204e8a8e95a4bf8

    • SHA256

      7a3b9853231f9cc02e6a5fa7a9c38c6d8f38b63047a4d23673c089349fb8c7dd

    • SHA512

      c5107da8991d6e480c2a8e22720d01e7aaf6141645c1e81a2ecb3cf2be27c7078f827bc960ac4ac8a454c8876b03c83612bcbb43517c1a4fd1c17a4d8c1ca50d

    • SSDEEP

      6144:N+C5W7z1ubi+F8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloBNTNxaaqX:Nt0zE+287g7/VycgE81lgxaa8

    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