Overview

overview

10

Static

static

3

cf0836b277...bb.exe

windows7-x64

10

cf0836b277...bb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf0836b2772305d208b3dcd373ae4906c8c2bcbc354528a9f008dcaf6c71c9bb

  • Size

    79KB

  • Sample

    241123-edpxcsxnh1

  • MD5

    187179c6f49320617c0a23f1d44d7a2d

  • SHA1

    07c6b6fca851a95629646ba19a7e4aa09b042f9d

  • SHA256

    cf0836b2772305d208b3dcd373ae4906c8c2bcbc354528a9f008dcaf6c71c9bb

  • SHA512

    38bae20f5f3ca45e475387d0d1d52da791f426fab8796a613150df3af8f4e1773f912d4671ddfdcad1f176cbb1e913f7475c479ecd42348c2562fe2bc8679405

  • SSDEEP

    1536:Xm+W/ef5m4Sf5R1XDuB9Vtcku2Sde9B8u+hRQURbRUs3cO57OWxXPu47:Xmtq57htzu2S09y/eUlj9puk

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

      cf0836b2772305d208b3dcd373ae4906c8c2bcbc354528a9f008dcaf6c71c9bb

    • Size

      79KB

    • MD5

      187179c6f49320617c0a23f1d44d7a2d

    • SHA1

      07c6b6fca851a95629646ba19a7e4aa09b042f9d

    • SHA256

      cf0836b2772305d208b3dcd373ae4906c8c2bcbc354528a9f008dcaf6c71c9bb

    • SHA512

      38bae20f5f3ca45e475387d0d1d52da791f426fab8796a613150df3af8f4e1773f912d4671ddfdcad1f176cbb1e913f7475c479ecd42348c2562fe2bc8679405

    • SSDEEP

      1536:Xm+W/ef5m4Sf5R1XDuB9Vtcku2Sde9B8u+hRQURbRUs3cO57OWxXPu47:Xmtq57htzu2S09y/eUlj9puk

    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