Overview

overview

10

Static

static

10

1558cd6917...cN.exe

windows7-x64

10

1558cd6917...cN.exe

windows10-2004-x64

10

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General

  • Target

    1558cd69176e0c977c17bb36f01bbfca1a48a4d0d3877c6f27fa467cdc911aacN.exe

  • Size

    159KB

  • Sample

    241225-tgryfsxnat

  • MD5

    e5ae4b70b406056c748e4398b30d7310

  • SHA1

    a496ef9fe1d4a19909f8ac8c6c3cd8493ea04aed

  • SHA256

    1558cd69176e0c977c17bb36f01bbfca1a48a4d0d3877c6f27fa467cdc911aac

  • SHA512

    b1d6dbb1f504b1ac07062bcc154f37e178cf4721a3189a23332131e51de35b6b599b637659c9af2437ca2c1d11000087eec38d216631ff7e899744b32657799c

  • SSDEEP

    3072:96V9YUfiSprV+vtc7GgcOHuRbwf1nFzwSAJB8FgBY5nd/M9dA:9UfiQrV+vtmQ0uq1n6xJmPM9dA

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

      1558cd69176e0c977c17bb36f01bbfca1a48a4d0d3877c6f27fa467cdc911aacN.exe

    • Size

      159KB

    • MD5

      e5ae4b70b406056c748e4398b30d7310

    • SHA1

      a496ef9fe1d4a19909f8ac8c6c3cd8493ea04aed

    • SHA256

      1558cd69176e0c977c17bb36f01bbfca1a48a4d0d3877c6f27fa467cdc911aac

    • SHA512

      b1d6dbb1f504b1ac07062bcc154f37e178cf4721a3189a23332131e51de35b6b599b637659c9af2437ca2c1d11000087eec38d216631ff7e899744b32657799c

    • SSDEEP

      3072:96V9YUfiSprV+vtc7GgcOHuRbwf1nFzwSAJB8FgBY5nd/M9dA:9UfiQrV+vtmQ0uq1n6xJmPM9dA

    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