Overview

overview

10

Static

static

10

f255002e77...eN.exe

windows7-x64

10

f255002e77...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f255002e7790e61cf4c998ca4b4302fc13a159be3635d33f57e57fcfcbbd5b7eN

  • Size

    276KB

  • Sample

    241102-g8j1ps1pfn

  • MD5

    acce6e231a5c0a18bcde66a2445258f0

  • SHA1

    57ed5b6869c144b1d01b30fce6a036e58d46b16b

  • SHA256

    f255002e7790e61cf4c998ca4b4302fc13a159be3635d33f57e57fcfcbbd5b7e

  • SHA512

    092a32eb277ef4830fd77c33bbf9036148dde6475523ab9357037ea52689a50e5b1c45ad4ee6aa18b9cad16abdbaa4105ac169d38488c85671d1550533de7223

  • SSDEEP

    6144:5LnahWRbzcYw56vD3udZMGXF5ahdt3rM8d7TtLa:YHxJXFWtJ9O

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

      f255002e7790e61cf4c998ca4b4302fc13a159be3635d33f57e57fcfcbbd5b7eN

    • Size

      276KB

    • MD5

      acce6e231a5c0a18bcde66a2445258f0

    • SHA1

      57ed5b6869c144b1d01b30fce6a036e58d46b16b

    • SHA256

      f255002e7790e61cf4c998ca4b4302fc13a159be3635d33f57e57fcfcbbd5b7e

    • SHA512

      092a32eb277ef4830fd77c33bbf9036148dde6475523ab9357037ea52689a50e5b1c45ad4ee6aa18b9cad16abdbaa4105ac169d38488c85671d1550533de7223

    • SSDEEP

      6144:5LnahWRbzcYw56vD3udZMGXF5ahdt3rM8d7TtLa:YHxJXFWtJ9O

    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