Overview

overview

10

Static

static

3

4ff02e48eb...3e.exe

windows7-x64

10

4ff02e48eb...3e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ff02e48eb3aa36f8c9273a749d8d7752a698ae5d5ae9702e3f5c499360e673e

  • Size

    121KB

  • Sample

    241208-2hkvjazngq

  • MD5

    b7b44ded3169403be8650aa5edffc7ee

  • SHA1

    9db45d006d818b75e09ccd608177becca7de783b

  • SHA256

    4ff02e48eb3aa36f8c9273a749d8d7752a698ae5d5ae9702e3f5c499360e673e

  • SHA512

    dfcb21b4d1ecbed9b9b303bbfc8199b547ca902749e591860f42dcbee66dc559b5c2f09b15acee649561889189cc9c5ae1f102d3e8342a471262d97b73cee5e2

  • SSDEEP

    1536:u2V7STKcK/iNK7byVPhmn0FCGXVntrZwWtdKJGBSQYkrNkDs8CV19zQYOd5ijJnj:vGKPyhhm0eEdOMlWDsxO7AJnD5tvv

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

      4ff02e48eb3aa36f8c9273a749d8d7752a698ae5d5ae9702e3f5c499360e673e

    • Size

      121KB

    • MD5

      b7b44ded3169403be8650aa5edffc7ee

    • SHA1

      9db45d006d818b75e09ccd608177becca7de783b

    • SHA256

      4ff02e48eb3aa36f8c9273a749d8d7752a698ae5d5ae9702e3f5c499360e673e

    • SHA512

      dfcb21b4d1ecbed9b9b303bbfc8199b547ca902749e591860f42dcbee66dc559b5c2f09b15acee649561889189cc9c5ae1f102d3e8342a471262d97b73cee5e2

    • SSDEEP

      1536:u2V7STKcK/iNK7byVPhmn0FCGXVntrZwWtdKJGBSQYkrNkDs8CV19zQYOd5ijJnj:vGKPyhhm0eEdOMlWDsxO7AJnD5tvv

    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