Overview

overview

10

Static

static

3

940a5fabf6...2f.exe

windows7-x64

10

940a5fabf6...2f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    940a5fabf686ef644ce2d9746ce2510c9e865c6156ae72368e041d419333f12f.exe

  • Size

    74KB

  • Sample

    241123-r81csswrft

  • MD5

    e7c705556afee06d9ae3d16ce3d8415c

  • SHA1

    e6d4f03eda60fe31f73df0caf8d39d2b33a2f97a

  • SHA256

    940a5fabf686ef644ce2d9746ce2510c9e865c6156ae72368e041d419333f12f

  • SHA512

    8e347cf683ecdb767e08b43f2e82118de9a588d7064625e3e997c0750016433bb1a6bfa2c15c1a2e9b091771d11f078f4550c7a34068f4cf5e28b103e19a8692

  • SSDEEP

    1536:5e2HlvPHIgt0RA06i+ML2/2uSbu+GOB2huyv:0wQjA0ju2hbu9OBUuyv

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

      940a5fabf686ef644ce2d9746ce2510c9e865c6156ae72368e041d419333f12f.exe

    • Size

      74KB

    • MD5

      e7c705556afee06d9ae3d16ce3d8415c

    • SHA1

      e6d4f03eda60fe31f73df0caf8d39d2b33a2f97a

    • SHA256

      940a5fabf686ef644ce2d9746ce2510c9e865c6156ae72368e041d419333f12f

    • SHA512

      8e347cf683ecdb767e08b43f2e82118de9a588d7064625e3e997c0750016433bb1a6bfa2c15c1a2e9b091771d11f078f4550c7a34068f4cf5e28b103e19a8692

    • SSDEEP

      1536:5e2HlvPHIgt0RA06i+ML2/2uSbu+GOB2huyv:0wQjA0ju2hbu9OBUuyv

    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