Overview

overview

10

Static

static

3

3a92ab4d34...bb.exe

windows7-x64

10

3a92ab4d34...bb.exe

windows10-2004-x64

10

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General

  • Target

    3a92ab4d34d0ad7361a06e538e31d1fa592353193f0bdad56b63ebe21099c4bb

  • Size

    352KB

  • Sample

    241009-yx1bzsxdka

  • MD5

    d2d6778b59eceea4bc367ccf881e54e2

  • SHA1

    477a40d54dde5510b1af79b2ee599046fd6e4fed

  • SHA256

    3a92ab4d34d0ad7361a06e538e31d1fa592353193f0bdad56b63ebe21099c4bb

  • SHA512

    de6c87707511d43c6fef3da60e2502aef7003e5e0e94598b8217a18aa9654bb9cc321632188cad92d073e9ce2ed4620519d974e314fd910a75283b11dc22784c

  • SSDEEP

    6144:UPRk1+4IbxHTpr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdFfX:crvxFrCZYE6YYBHpd0uD319ZvSntnhpn

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

      3a92ab4d34d0ad7361a06e538e31d1fa592353193f0bdad56b63ebe21099c4bb

    • Size

      352KB

    • MD5

      d2d6778b59eceea4bc367ccf881e54e2

    • SHA1

      477a40d54dde5510b1af79b2ee599046fd6e4fed

    • SHA256

      3a92ab4d34d0ad7361a06e538e31d1fa592353193f0bdad56b63ebe21099c4bb

    • SHA512

      de6c87707511d43c6fef3da60e2502aef7003e5e0e94598b8217a18aa9654bb9cc321632188cad92d073e9ce2ed4620519d974e314fd910a75283b11dc22784c

    • SSDEEP

      6144:UPRk1+4IbxHTpr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdFfX:crvxFrCZYE6YYBHpd0uD319ZvSntnhpn

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks