Overview

overview

10

Static

static

3

b1d08ed982...2N.exe

windows7-x64

10

b1d08ed982...2N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b1d08ed98220127e48065f499bf134604f702e07442910f8bcf5e8e9a918fd62N.exe

  • Size

    88KB

  • Sample

    241208-dxnyqsznav

  • MD5

    8b16a4257b88f4dc9a818fb8abcb5dd0

  • SHA1

    ca3b7b726faed536f68a949b3c4e2f872e27bafd

  • SHA256

    b1d08ed98220127e48065f499bf134604f702e07442910f8bcf5e8e9a918fd62

  • SHA512

    7cd1ff2b84d53b6d532f9ba0678496c011a742b55d33209f7f46c500f8aeae0afc32fe69f76b6302180363d61f8b52397e3b0137cc59d9408364c37e7bc0a747

  • SSDEEP

    1536:WAS1OqY36IknNNynDrUJtaCmnfl0mxiqTgX41qeto/YtMidunouy8L:BSCKIknNNynDrSUCmnfCm04AetXS+uoK

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

      b1d08ed98220127e48065f499bf134604f702e07442910f8bcf5e8e9a918fd62N.exe

    • Size

      88KB

    • MD5

      8b16a4257b88f4dc9a818fb8abcb5dd0

    • SHA1

      ca3b7b726faed536f68a949b3c4e2f872e27bafd

    • SHA256

      b1d08ed98220127e48065f499bf134604f702e07442910f8bcf5e8e9a918fd62

    • SHA512

      7cd1ff2b84d53b6d532f9ba0678496c011a742b55d33209f7f46c500f8aeae0afc32fe69f76b6302180363d61f8b52397e3b0137cc59d9408364c37e7bc0a747

    • SSDEEP

      1536:WAS1OqY36IknNNynDrUJtaCmnfl0mxiqTgX41qeto/YtMidunouy8L:BSCKIknNNynDrSUCmnfCm04AetXS+uoK

    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