Overview

overview

10

Static

static

3

4dc1d2a532...31.exe

windows7-x64

10

4dc1d2a532...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4dc1d2a5325e831c96d79f06248779daa8dfccd19df9246a1a27bff09bce6a31

  • Size

    320KB

  • Sample

    241222-15hs1s1lfn

  • MD5

    ca8b81886f50abd274c8f9d9044fae7f

  • SHA1

    7b76c0f8225ebc7b395a1cf484516f4f107cd900

  • SHA256

    4dc1d2a5325e831c96d79f06248779daa8dfccd19df9246a1a27bff09bce6a31

  • SHA512

    e08239262250fa6cf0b6cb2dc0af483c78a462781ef0c5b2116e12ca2c07b46e453312fa342f56b48484c71a6c0e337c89078a974f10948361e5b6a822e3b0c0

  • SSDEEP

    6144:vl27nP31KHRyYEENeYr75lHzpaF2e6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+g:WP3aRyYJNeYr75lTefkY660fIaDZkY6r

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

      4dc1d2a5325e831c96d79f06248779daa8dfccd19df9246a1a27bff09bce6a31

    • Size

      320KB

    • MD5

      ca8b81886f50abd274c8f9d9044fae7f

    • SHA1

      7b76c0f8225ebc7b395a1cf484516f4f107cd900

    • SHA256

      4dc1d2a5325e831c96d79f06248779daa8dfccd19df9246a1a27bff09bce6a31

    • SHA512

      e08239262250fa6cf0b6cb2dc0af483c78a462781ef0c5b2116e12ca2c07b46e453312fa342f56b48484c71a6c0e337c89078a974f10948361e5b6a822e3b0c0

    • SSDEEP

      6144:vl27nP31KHRyYEENeYr75lHzpaF2e6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+g:WP3aRyYJNeYr75lTefkY660fIaDZkY6r

    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