Overview

overview

10

Static

static

3

6c83f367a2...aN.exe

windows7-x64

10

6c83f367a2...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6c83f367a2a731a800605ba4bfd7c37e90e06927b624e15803dcaef7187a461aN.exe

  • Size

    74KB

  • Sample

    241207-yk3lkswjem

  • MD5

    b408a2955f815397c9291dc71f415df0

  • SHA1

    0a24a2838e83058edbd7420e034f7744ce4a63cc

  • SHA256

    6c83f367a2a731a800605ba4bfd7c37e90e06927b624e15803dcaef7187a461a

  • SHA512

    1673d2a211b81ca455be1a00af9d57ea40663c150eb081a8a2c3da9eb7054a6bb6301efb00b0d006e298621286de314f93dda9aa64db6ee5a952775c38224336

  • SSDEEP

    1536:yOI3ZzawWEifwfgtG5yCsoRgA1oDCOGqn7KdL75CjEWH2+t:yVG8i2gkyX/iOXn7w75Cjv2+t

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

      6c83f367a2a731a800605ba4bfd7c37e90e06927b624e15803dcaef7187a461aN.exe

    • Size

      74KB

    • MD5

      b408a2955f815397c9291dc71f415df0

    • SHA1

      0a24a2838e83058edbd7420e034f7744ce4a63cc

    • SHA256

      6c83f367a2a731a800605ba4bfd7c37e90e06927b624e15803dcaef7187a461a

    • SHA512

      1673d2a211b81ca455be1a00af9d57ea40663c150eb081a8a2c3da9eb7054a6bb6301efb00b0d006e298621286de314f93dda9aa64db6ee5a952775c38224336

    • SSDEEP

      1536:yOI3ZzawWEifwfgtG5yCsoRgA1oDCOGqn7KdL75CjEWH2+t:yVG8i2gkyX/iOXn7w75Cjv2+t

    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