Overview

overview

10

Static

static

3

7a9fcfad9f...82.exe

windows7-x64

10

7a9fcfad9f...82.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a9fcfad9f1cf7d2260b31077d51f63721ec7ab8f8830862cb11328aa7ac3382

  • Size

    128KB

  • Sample

    241224-3rjjha1kgt

  • MD5

    cb8ed16753804723e0c53b437fb96773

  • SHA1

    32ad32c6d78a78d1928f570f2f6a7d4aecef24ce

  • SHA256

    7a9fcfad9f1cf7d2260b31077d51f63721ec7ab8f8830862cb11328aa7ac3382

  • SHA512

    ac1678ed5609bf64b551e5274b1fcb8d310c9c850912b24b3665835fd9af871a96a7c386fba272598b492be98687bfad14338c768cbac4c20ee37cd90551efad

  • SSDEEP

    3072:71erbxg0vw/ds65zkzRfTxdfMNmmmmmmh9WDd1AZoUBW3FJeRuaWNXmgu+tB:7elgzd2fVdUNmmmmmmh90dWZHEFJ7aWp

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

      7a9fcfad9f1cf7d2260b31077d51f63721ec7ab8f8830862cb11328aa7ac3382

    • Size

      128KB

    • MD5

      cb8ed16753804723e0c53b437fb96773

    • SHA1

      32ad32c6d78a78d1928f570f2f6a7d4aecef24ce

    • SHA256

      7a9fcfad9f1cf7d2260b31077d51f63721ec7ab8f8830862cb11328aa7ac3382

    • SHA512

      ac1678ed5609bf64b551e5274b1fcb8d310c9c850912b24b3665835fd9af871a96a7c386fba272598b492be98687bfad14338c768cbac4c20ee37cd90551efad

    • SSDEEP

      3072:71erbxg0vw/ds65zkzRfTxdfMNmmmmmmh9WDd1AZoUBW3FJeRuaWNXmgu+tB:7elgzd2fVdUNmmmmmmh90dWZHEFJ7aWp

    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