Overview

overview

10

Static

static

3

82bfdfe898...dN.exe

windows7-x64

10

82bfdfe898...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    82bfdfe8981d98fa9e78d53ad2519ecf0fcfa94088d3a3500b9e6b1d8f88510dN

  • Size

    94KB

  • Sample

    240928-csbbeavajd

  • MD5

    49e7ef3e3095cce40d651b2f92cced20

  • SHA1

    ba0c71843faed21b14cbc4ed75a31058f1a189ae

  • SHA256

    82bfdfe8981d98fa9e78d53ad2519ecf0fcfa94088d3a3500b9e6b1d8f88510d

  • SHA512

    e7fdd6b8bc42b37bdc91d56de901ab5f376a4a7a68b95abe692177d1fd412819e6743f4dd50261fb9b63672d16b588c35360ede41450033e2f42283a60b3a715

  • SSDEEP

    1536:Opt2mgDrTW7JeRvFTTqzqVQ3TCNqVGDFKtm1ViHRQDcRfRa9HprmRfRZ:Op9jJeCGzMGMtm3iHeDc5wkpv

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

      82bfdfe8981d98fa9e78d53ad2519ecf0fcfa94088d3a3500b9e6b1d8f88510dN

    • Size

      94KB

    • MD5

      49e7ef3e3095cce40d651b2f92cced20

    • SHA1

      ba0c71843faed21b14cbc4ed75a31058f1a189ae

    • SHA256

      82bfdfe8981d98fa9e78d53ad2519ecf0fcfa94088d3a3500b9e6b1d8f88510d

    • SHA512

      e7fdd6b8bc42b37bdc91d56de901ab5f376a4a7a68b95abe692177d1fd412819e6743f4dd50261fb9b63672d16b588c35360ede41450033e2f42283a60b3a715

    • SSDEEP

      1536:Opt2mgDrTW7JeRvFTTqzqVQ3TCNqVGDFKtm1ViHRQDcRfRa9HprmRfRZ:Op9jJeCGzMGMtm3iHeDc5wkpv

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks