Overview

overview

10

Static

static

3

b1310928f7...4f.exe

windows7-x64

10

b1310928f7...4f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b1310928f75899122464ea3736c77c96e1fb365537102e6fca28425d720c6d4f.exe

  • Size

    71KB

  • Sample

    241222-hpy6ysymbn

  • MD5

    4cf9da9df7ebb8a142c3536607c08b74

  • SHA1

    045bded05582b312e7fc9bd000dc9db1a6b4e588

  • SHA256

    b1310928f75899122464ea3736c77c96e1fb365537102e6fca28425d720c6d4f

  • SHA512

    8597b7113aeeb79e5fe8032639eaad352f723c3abf9ec735ba3a90884617674957e81b73149c140ce251d14024394df5e0b3c295de5451e720e71f8c75cf23e9

  • SSDEEP

    1536:Ek9TTvHHyI/eM973tePgA2T1yshkzRxx8xxxxxxxxxxxxxxIxxxxxxxfxxxxxth5:EWHyHMvAA1ytlxx8xxxxxxxxxxxxxxI5

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

      b1310928f75899122464ea3736c77c96e1fb365537102e6fca28425d720c6d4f.exe

    • Size

      71KB

    • MD5

      4cf9da9df7ebb8a142c3536607c08b74

    • SHA1

      045bded05582b312e7fc9bd000dc9db1a6b4e588

    • SHA256

      b1310928f75899122464ea3736c77c96e1fb365537102e6fca28425d720c6d4f

    • SHA512

      8597b7113aeeb79e5fe8032639eaad352f723c3abf9ec735ba3a90884617674957e81b73149c140ce251d14024394df5e0b3c295de5451e720e71f8c75cf23e9

    • SSDEEP

      1536:Ek9TTvHHyI/eM973tePgA2T1yshkzRxx8xxxxxxxxxxxxxxIxxxxxxxfxxxxxth5:EWHyHMvAA1ytlxx8xxxxxxxxxxxxxxI5

    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