Overview

overview

10

Static

static

3

f9474b0e1d...41.exe

windows7-x64

10

f9474b0e1d...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f9474b0e1da5c2e8dea522875df5a7974ba25a81fddd93694b78e0c3f614d441

  • Size

    66KB

  • Sample

    250218-j167daypcj

  • MD5

    c1e5f9a5b92cd1b50168f7b0b44b26b2

  • SHA1

    47873be1e2b26437da5b6dbc60c5c500b90ca3b5

  • SHA256

    f9474b0e1da5c2e8dea522875df5a7974ba25a81fddd93694b78e0c3f614d441

  • SHA512

    1252be91d87a53d76c5e8df4b8051e576e351b672748c4bd9e9544b512990c85bfcf10d85480209a46ce70775819af426443a66f356d815179f29dd090078ae6

  • SSDEEP

    1536:hPBlnLL6FiLwd/3a8U6Boly05wSmMlGXORQGR:hPBlCFi8J3a8U6Wly05ZdeG

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

      f9474b0e1da5c2e8dea522875df5a7974ba25a81fddd93694b78e0c3f614d441

    • Size

      66KB

    • MD5

      c1e5f9a5b92cd1b50168f7b0b44b26b2

    • SHA1

      47873be1e2b26437da5b6dbc60c5c500b90ca3b5

    • SHA256

      f9474b0e1da5c2e8dea522875df5a7974ba25a81fddd93694b78e0c3f614d441

    • SHA512

      1252be91d87a53d76c5e8df4b8051e576e351b672748c4bd9e9544b512990c85bfcf10d85480209a46ce70775819af426443a66f356d815179f29dd090078ae6

    • SSDEEP

      1536:hPBlnLL6FiLwd/3a8U6Boly05wSmMlGXORQGR:hPBlCFi8J3a8U6Wly05ZdeG

    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