Overview

overview

10

Static

static

3

21b9145e34...86.exe

windows7-x64

10

21b9145e34...86.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21b9145e34ef6db52ed0766574ee795a6a1adf6e18e7bbd1ebc156641f6b3f86

  • Size

    93KB

  • Sample

    241224-y4zc9swphr

  • MD5

    bca60fc7e823e11c9a6d6961b6ad41ee

  • SHA1

    0a9e1f1e118fc9b759cfcf056b1a688661261e7b

  • SHA256

    21b9145e34ef6db52ed0766574ee795a6a1adf6e18e7bbd1ebc156641f6b3f86

  • SHA512

    db12370cfc72c26606def45d7eced423e4deb2dbc9850cf66c96fa8318ce1a2ce032c96bf04d8d55ff37949f2381e585118689feb6072c4285dd84df2011e32f

  • SSDEEP

    1536:uijQLZUGgvv4QiB92OpEUFkX3sOAGezdUIL0T51saMiwihtIbbpkp:djQLZUn4QEQO2UFkX3EeJT51dMiwaIbq

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

      21b9145e34ef6db52ed0766574ee795a6a1adf6e18e7bbd1ebc156641f6b3f86

    • Size

      93KB

    • MD5

      bca60fc7e823e11c9a6d6961b6ad41ee

    • SHA1

      0a9e1f1e118fc9b759cfcf056b1a688661261e7b

    • SHA256

      21b9145e34ef6db52ed0766574ee795a6a1adf6e18e7bbd1ebc156641f6b3f86

    • SHA512

      db12370cfc72c26606def45d7eced423e4deb2dbc9850cf66c96fa8318ce1a2ce032c96bf04d8d55ff37949f2381e585118689feb6072c4285dd84df2011e32f

    • SSDEEP

      1536:uijQLZUGgvv4QiB92OpEUFkX3sOAGezdUIL0T51saMiwihtIbbpkp:djQLZUn4QEQO2UFkX3EeJT51dMiwaIbq

    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