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Overview

overview

10

Static

static

3

efcdc7cfd0...cN.exe

windows7-x64

10

efcdc7cfd0...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    efcdc7cfd073d649a4830f8f604d3c90c0811a0894cfcd092d28c02a9d57f55cN

  • Size

    123KB

  • Sample

    241017-yqndvatbne

  • MD5

    774d36f8e48391ded8dd9da765f58250

  • SHA1

    2f5ccb4b2dd25e13728d74debc63333eb585e7d1

  • SHA256

    efcdc7cfd073d649a4830f8f604d3c90c0811a0894cfcd092d28c02a9d57f55c

  • SHA512

    db40eb5d458daea0a57c89ee6f40a9eb442103743e589cdd935dcce64c04a05b516ca85cfa25b36f32a2bbd8ae467bccdeff2a93c7691f196a108fc3da29fe6f

  • SSDEEP

    3072:7ag6SU12LUM//syvfQuRYSa9rR85DEn5k7r8:7YYLLMyvfr4rQD85k/8

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

      efcdc7cfd073d649a4830f8f604d3c90c0811a0894cfcd092d28c02a9d57f55cN

    • Size

      123KB

    • MD5

      774d36f8e48391ded8dd9da765f58250

    • SHA1

      2f5ccb4b2dd25e13728d74debc63333eb585e7d1

    • SHA256

      efcdc7cfd073d649a4830f8f604d3c90c0811a0894cfcd092d28c02a9d57f55c

    • SHA512

      db40eb5d458daea0a57c89ee6f40a9eb442103743e589cdd935dcce64c04a05b516ca85cfa25b36f32a2bbd8ae467bccdeff2a93c7691f196a108fc3da29fe6f

    • SSDEEP

      3072:7ag6SU12LUM//syvfQuRYSa9rR85DEn5k7r8:7YYLLMyvfr4rQD85k/8

    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