Overview

overview

10

Static

static

3

b3f7cdbd96...4f.exe

windows7-x64

10

b3f7cdbd96...4f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3f7cdbd96c91cc64bae7af7df60c990688af865a5a063fa15ff15382206184f

  • Size

    1.3MB

  • Sample

    250306-ll2dpawjx9

  • MD5

    7b1489975a184319ee5975fb31fb1eac

  • SHA1

    8354a487e6db97e2004696246c45b63f56d3ca09

  • SHA256

    b3f7cdbd96c91cc64bae7af7df60c990688af865a5a063fa15ff15382206184f

  • SHA512

    981400b671548d50733f11e5485052fa0136a92d890cf7fefc12fcc117bddc302c4b2074bbfd15bad80f6a63a493616dcd9d7764d1951051c5c2f4c45f2077f3

  • SSDEEP

    6144:QdipfE5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2MT1d:QdiBAbaz22cWfVaw0HBHY8r8ABjMn

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

      b3f7cdbd96c91cc64bae7af7df60c990688af865a5a063fa15ff15382206184f

    • Size

      1.3MB

    • MD5

      7b1489975a184319ee5975fb31fb1eac

    • SHA1

      8354a487e6db97e2004696246c45b63f56d3ca09

    • SHA256

      b3f7cdbd96c91cc64bae7af7df60c990688af865a5a063fa15ff15382206184f

    • SHA512

      981400b671548d50733f11e5485052fa0136a92d890cf7fefc12fcc117bddc302c4b2074bbfd15bad80f6a63a493616dcd9d7764d1951051c5c2f4c45f2077f3

    • SSDEEP

      6144:QdipfE5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2MT1d:QdiBAbaz22cWfVaw0HBHY8r8ABjMn

    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