Overview

overview

10

Static

static

3

4b6a1267f8...fN.exe

windows7-x64

10

4b6a1267f8...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b6a1267f86eb941571eb2236907cac3cfb57632c3be86cbd6eba46bc65b62cfN.exe

  • Size

    320KB

  • Sample

    241222-nztxwaxlhl

  • MD5

    e04baf6cc52bf81f1ba69782c20b2810

  • SHA1

    e79bcbf06c9beb4e014983a06988e9d5ba339703

  • SHA256

    4b6a1267f86eb941571eb2236907cac3cfb57632c3be86cbd6eba46bc65b62cf

  • SHA512

    c1de48e023020d00a0387a9d1b1eb0c23448249b11f9be4568c89afc7c1abbd102e2f9ebb45c6bd5cd1c7947e4caeb85a536e692d3df96eaaab3c89b7f4ee26d

  • SSDEEP

    6144:LG/QDH9EJmwn3+5rtDyB8LoedCFJ369BJ369vpui6yYPaIGckvNP8:0yMm2OZtyWUedCv2EpV6yYPaN0

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

      4b6a1267f86eb941571eb2236907cac3cfb57632c3be86cbd6eba46bc65b62cfN.exe

    • Size

      320KB

    • MD5

      e04baf6cc52bf81f1ba69782c20b2810

    • SHA1

      e79bcbf06c9beb4e014983a06988e9d5ba339703

    • SHA256

      4b6a1267f86eb941571eb2236907cac3cfb57632c3be86cbd6eba46bc65b62cf

    • SHA512

      c1de48e023020d00a0387a9d1b1eb0c23448249b11f9be4568c89afc7c1abbd102e2f9ebb45c6bd5cd1c7947e4caeb85a536e692d3df96eaaab3c89b7f4ee26d

    • SSDEEP

      6144:LG/QDH9EJmwn3+5rtDyB8LoedCFJ369BJ369vpui6yYPaIGckvNP8:0yMm2OZtyWUedCv2EpV6yYPaN0

    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