Overview

overview

10

Static

static

3

6f435cb8b2...2N.exe

windows7-x64

10

6f435cb8b2...2N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6f435cb8b2e61957479ceffe01a5b6764f01d4604cf3405dee44a29871ef2bc2N.exe

  • Size

    88KB

  • Sample

    241123-nwfk3stqhx

  • MD5

    e59b38b7c00c2b82fd60eecddaf83360

  • SHA1

    265a234bcd96cf69712b58bc87291ec8a90f923a

  • SHA256

    6f435cb8b2e61957479ceffe01a5b6764f01d4604cf3405dee44a29871ef2bc2

  • SHA512

    9b9b710570894e942a84d970d9e6cddd3a28e4026e52e2dcd6fdf0aab999bf01f26bff0983fd1ca306502911397ef87a06e3288147e17535bde3db43f67f3266

  • SSDEEP

    1536:1wJu5LtQesSbGQ54ocLXcI7j2liyM21GRjbDqM/1tnouy87:1mutt9siyoKr9yMVZbD5tVout7

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

      6f435cb8b2e61957479ceffe01a5b6764f01d4604cf3405dee44a29871ef2bc2N.exe

    • Size

      88KB

    • MD5

      e59b38b7c00c2b82fd60eecddaf83360

    • SHA1

      265a234bcd96cf69712b58bc87291ec8a90f923a

    • SHA256

      6f435cb8b2e61957479ceffe01a5b6764f01d4604cf3405dee44a29871ef2bc2

    • SHA512

      9b9b710570894e942a84d970d9e6cddd3a28e4026e52e2dcd6fdf0aab999bf01f26bff0983fd1ca306502911397ef87a06e3288147e17535bde3db43f67f3266

    • SSDEEP

      1536:1wJu5LtQesSbGQ54ocLXcI7j2liyM21GRjbDqM/1tnouy87:1mutt9siyoKr9yMVZbD5tVout7

    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