Overview

overview

10

Static

static

3

a1dc101281...a2.exe

windows7-x64

10

a1dc101281...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1dc101281b131368e2cc855f93e0db3e675e77a04f235a588896ab3cc9338a2

  • Size

    72KB

  • Sample

    241123-b9w4rsvmbx

  • MD5

    e1c88c4da74a9839ad34d3f2b0fdf660

  • SHA1

    f1a47b827dad132906606c9400a86ccc7615c608

  • SHA256

    a1dc101281b131368e2cc855f93e0db3e675e77a04f235a588896ab3cc9338a2

  • SHA512

    49f57ee9be633fbb91d092dcb4317735d94ff680d38472bb82a15c4c3127ea772440f92696ca80a0b14eb3d15748df455bcbee4fc260297b823d37410decd3b1

  • SSDEEP

    768:lPzjkhNpsPsibsyrvgVkbEnaAHvKfKmIQiGaMMGn5c4IKl4SnNsk8b2AAAAAAAAq:lbkdginaAHCIQB7bGSnNOodC584

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

      a1dc101281b131368e2cc855f93e0db3e675e77a04f235a588896ab3cc9338a2

    • Size

      72KB

    • MD5

      e1c88c4da74a9839ad34d3f2b0fdf660

    • SHA1

      f1a47b827dad132906606c9400a86ccc7615c608

    • SHA256

      a1dc101281b131368e2cc855f93e0db3e675e77a04f235a588896ab3cc9338a2

    • SHA512

      49f57ee9be633fbb91d092dcb4317735d94ff680d38472bb82a15c4c3127ea772440f92696ca80a0b14eb3d15748df455bcbee4fc260297b823d37410decd3b1

    • SSDEEP

      768:lPzjkhNpsPsibsyrvgVkbEnaAHvKfKmIQiGaMMGn5c4IKl4SnNsk8b2AAAAAAAAq:lbkdginaAHCIQB7bGSnNOodC584

    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