Overview

overview

10

Static

static

3

a4576cc334...eb.exe

windows7-x64

10

a4576cc334...eb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4576cc334f7f99b8147d2c6bb2bc1759b816acc33405c647c93d992ec6c2feb

  • Size

    669KB

  • Sample

    241223-b4zmpstlgz

  • MD5

    e59c7057f0eae8bb5fcb21cbddc05ceb

  • SHA1

    43289b611a8090e05895ffc81e236718be90411d

  • SHA256

    a4576cc334f7f99b8147d2c6bb2bc1759b816acc33405c647c93d992ec6c2feb

  • SHA512

    6807c056b4d78c373a749e8f08d44c714589a573bdc0f775398acef76fe420aa12dc389d23aba64a21b6c5cbcb94a979219bd1f2818048c299b874c30ea088b8

  • SSDEEP

    12288:9GJJcMeVKhMpQnqr+cI3a72LXrY6x46UbR/qYglMi:QLSchMpQnqrdX72LbY6x46uR/qYglMi

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

      a4576cc334f7f99b8147d2c6bb2bc1759b816acc33405c647c93d992ec6c2feb

    • Size

      669KB

    • MD5

      e59c7057f0eae8bb5fcb21cbddc05ceb

    • SHA1

      43289b611a8090e05895ffc81e236718be90411d

    • SHA256

      a4576cc334f7f99b8147d2c6bb2bc1759b816acc33405c647c93d992ec6c2feb

    • SHA512

      6807c056b4d78c373a749e8f08d44c714589a573bdc0f775398acef76fe420aa12dc389d23aba64a21b6c5cbcb94a979219bd1f2818048c299b874c30ea088b8

    • SSDEEP

      12288:9GJJcMeVKhMpQnqr+cI3a72LXrY6x46UbR/qYglMi:QLSchMpQnqrdX72LbY6x46uR/qYglMi

    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