Overview

overview

10

Static

static

3

fdfeedde5d...84.exe

windows7-x64

10

fdfeedde5d...84.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fdfeedde5dccd7bb2ca01ffdc0ea57c5db4fc758b1dfe7ad7e649e9a5174d084

  • Size

    669KB

  • Sample

    250306-szk27asm17

  • MD5

    423707198aee6344236c4fd1069c5f62

  • SHA1

    ae39551e6aed371cfaebc9470be7652b5dd3c4ef

  • SHA256

    fdfeedde5dccd7bb2ca01ffdc0ea57c5db4fc758b1dfe7ad7e649e9a5174d084

  • SHA512

    471f0eef9e2bc89e2cdb4ac71c33fc16c77f498e668ceca8a41f5fd8ab9a947b4ca5bf3a0a922369b63e8e728ee267fd583405a6f928f250cffa0d5b17161b7f

  • SSDEEP

    12288:Y6LkYhOCxeVKhMpQnqr+cI3a72LXrY6x46UbR/qYglMi:yCAchMpQnqrdX72LbY6x46uR/qYglMi

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

      fdfeedde5dccd7bb2ca01ffdc0ea57c5db4fc758b1dfe7ad7e649e9a5174d084

    • Size

      669KB

    • MD5

      423707198aee6344236c4fd1069c5f62

    • SHA1

      ae39551e6aed371cfaebc9470be7652b5dd3c4ef

    • SHA256

      fdfeedde5dccd7bb2ca01ffdc0ea57c5db4fc758b1dfe7ad7e649e9a5174d084

    • SHA512

      471f0eef9e2bc89e2cdb4ac71c33fc16c77f498e668ceca8a41f5fd8ab9a947b4ca5bf3a0a922369b63e8e728ee267fd583405a6f928f250cffa0d5b17161b7f

    • SSDEEP

      12288:Y6LkYhOCxeVKhMpQnqr+cI3a72LXrY6x46UbR/qYglMi:yCAchMpQnqrdX72LbY6x46uR/qYglMi

    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