Overview

overview

10

Static

static

10

5b2a9fae9a...3N.exe

windows7-x64

10

5b2a9fae9a...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5b2a9fae9a1f60c22a0808cd02d03a2ced9237ff4c3bfff270be9f801426d713N.exe

  • Size

    419KB

  • Sample

    241222-mv2w9avnew

  • MD5

    f8b3fd077627406484abdfac30b7a070

  • SHA1

    9441aad56b9be90d246037af38314e781e067030

  • SHA256

    5b2a9fae9a1f60c22a0808cd02d03a2ced9237ff4c3bfff270be9f801426d713

  • SHA512

    fccf369718eb3f902cbc05f923d02746bb3ce4815096a432bf899895251c62c750f7014a377c61a89e78caa3fc7e341e6be7de8ce6bbf9ecf8d482894635b274

  • SSDEEP

    6144:VDN8wr8DBRrfByvZ6Mxv5Rar3O6B9fZSLhZmzbByvZ6Mxv5R1L/gBSfGmtE1se:V1QB9ByvNv54B9f01ZmHByvNv5fJPGs

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

      5b2a9fae9a1f60c22a0808cd02d03a2ced9237ff4c3bfff270be9f801426d713N.exe

    • Size

      419KB

    • MD5

      f8b3fd077627406484abdfac30b7a070

    • SHA1

      9441aad56b9be90d246037af38314e781e067030

    • SHA256

      5b2a9fae9a1f60c22a0808cd02d03a2ced9237ff4c3bfff270be9f801426d713

    • SHA512

      fccf369718eb3f902cbc05f923d02746bb3ce4815096a432bf899895251c62c750f7014a377c61a89e78caa3fc7e341e6be7de8ce6bbf9ecf8d482894635b274

    • SSDEEP

      6144:VDN8wr8DBRrfByvZ6Mxv5Rar3O6B9fZSLhZmzbByvZ6Mxv5R1L/gBSfGmtE1se:V1QB9ByvNv54B9f01ZmHByvNv5fJPGs

    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