Overview

overview

10

Static

static

10

a1d2e69666...dN.exe

windows7-x64

10

a1d2e69666...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1d2e6966623c7531257916ec6e37a150011cbed8886f75bfa957e9a713da9ddN.exe

  • Size

    400KB

  • Sample

    241208-cvl6pasngm

  • MD5

    a2a9c674913256dc3a86b45bf6669270

  • SHA1

    14a85f9bf6a6820b3603ce74696c49cf5d790193

  • SHA256

    a1d2e6966623c7531257916ec6e37a150011cbed8886f75bfa957e9a713da9dd

  • SHA512

    135e8053e768035b70d9143f06404447dfe5eafd726daf373e1df7e18189d10055d4e164680f34995046f1dd5e3e302bd889d1d761146cecfe50c7718a67bb1d

  • SSDEEP

    12288:XzdpHq2o8wE39uW8wESByvNv54B9f01Zm:DbHq2o8wDW8wQvr4B9f01Zm

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a1d2e6966623c7531257916ec6e37a150011cbed8886f75bfa957e9a713da9ddN.exe

    • Size

      400KB

    • MD5

      a2a9c674913256dc3a86b45bf6669270

    • SHA1

      14a85f9bf6a6820b3603ce74696c49cf5d790193

    • SHA256

      a1d2e6966623c7531257916ec6e37a150011cbed8886f75bfa957e9a713da9dd

    • SHA512

      135e8053e768035b70d9143f06404447dfe5eafd726daf373e1df7e18189d10055d4e164680f34995046f1dd5e3e302bd889d1d761146cecfe50c7718a67bb1d

    • SSDEEP

      12288:XzdpHq2o8wE39uW8wESByvNv54B9f01Zm:DbHq2o8wDW8wQvr4B9f01Zm

    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