Overview

overview

10

Static

static

10

ef5662e41e...ae.exe

windows7-x64

10

ef5662e41e...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef5662e41e0d258136c9c2b35572df30c78eeb7848e286c6216db8c3b6bac4ae

  • Size

    192KB

  • Sample

    241223-e2nzzawkey

  • MD5

    e186fa5b2be6bafdc90356ee1b51f868

  • SHA1

    21ca8f7a59f67f413978f9d9e96a7a4489124ff8

  • SHA256

    ef5662e41e0d258136c9c2b35572df30c78eeb7848e286c6216db8c3b6bac4ae

  • SHA512

    0f23e1e1bda0dd8429113e611418102075f47453e85f60ef14818cccadbb4ff489ee6da8e11469e62cc6a6291a6eb66a92c29c3083923eb21b792eb2115e63d0

  • SSDEEP

    3072:2QzWkQ0sqB6q2axVUOl44iO3Weu38w+3kremwc/gHq/Wp+YmKfxgQdxvzSTsXXo8:2QzemxVUORmx38N3/fc/UmKyIxLDXXo8

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

      ef5662e41e0d258136c9c2b35572df30c78eeb7848e286c6216db8c3b6bac4ae

    • Size

      192KB

    • MD5

      e186fa5b2be6bafdc90356ee1b51f868

    • SHA1

      21ca8f7a59f67f413978f9d9e96a7a4489124ff8

    • SHA256

      ef5662e41e0d258136c9c2b35572df30c78eeb7848e286c6216db8c3b6bac4ae

    • SHA512

      0f23e1e1bda0dd8429113e611418102075f47453e85f60ef14818cccadbb4ff489ee6da8e11469e62cc6a6291a6eb66a92c29c3083923eb21b792eb2115e63d0

    • SSDEEP

      3072:2QzWkQ0sqB6q2axVUOl44iO3Weu38w+3kremwc/gHq/Wp+YmKfxgQdxvzSTsXXo8:2QzemxVUORmx38N3/fc/UmKyIxLDXXo8

    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