Overview

overview

10

Static

static

3

a31780bee8...7b.exe

windows7-x64

10

a31780bee8...7b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a31780bee8a9d8cdc1040f9de9f10b284f900400d6b14405128cdf94698ca67b

  • Size

    384KB

  • Sample

    241225-bmv8ystjbn

  • MD5

    eec73cda7a2a73ea9667378ba538331c

  • SHA1

    824bf735ec56326210d9e48f75f61e5dbfddbf85

  • SHA256

    a31780bee8a9d8cdc1040f9de9f10b284f900400d6b14405128cdf94698ca67b

  • SHA512

    c1ae9697af3235bf9042294f42de72570d77c4fd06077adf177207b680fada3ec1c8252c56eda9abb8cac25410e0dd5928a31390465389cff7c34135325df578

  • SSDEEP

    6144:rhb+eQ0pui6yYPaIGckpyWO63t5YNpui6yYPaIGcky0PVd68LwYwI+8mkUr1GAP8:rZ+eNpV6yYPI3cpV6yYPZ0PVdvcY9+8V

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a31780bee8a9d8cdc1040f9de9f10b284f900400d6b14405128cdf94698ca67b

    • Size

      384KB

    • MD5

      eec73cda7a2a73ea9667378ba538331c

    • SHA1

      824bf735ec56326210d9e48f75f61e5dbfddbf85

    • SHA256

      a31780bee8a9d8cdc1040f9de9f10b284f900400d6b14405128cdf94698ca67b

    • SHA512

      c1ae9697af3235bf9042294f42de72570d77c4fd06077adf177207b680fada3ec1c8252c56eda9abb8cac25410e0dd5928a31390465389cff7c34135325df578

    • SSDEEP

      6144:rhb+eQ0pui6yYPaIGckpyWO63t5YNpui6yYPaIGcky0PVd68LwYwI+8mkUr1GAP8:rZ+eNpV6yYPI3cpV6yYPZ0PVdvcY9+8V

    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