Overview

overview

10

Static

static

3

8f51292529...8N.exe

windows7-x64

10

8f51292529...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f51292529f7ed95eebffd94abc4ff1df660752e990e1fd6025f8c60cd0f3668N.exe

  • Size

    704KB

  • Sample

    240925-22h52swclh

  • MD5

    f97a7799f59de54847d29a40518fdc70

  • SHA1

    91b3165d0314b32187b346def11245b46f277550

  • SHA256

    8f51292529f7ed95eebffd94abc4ff1df660752e990e1fd6025f8c60cd0f3668

  • SHA512

    141e24a3dd3f6c398182e4e53fb8d8d10a93e38c9198d120ded6efa89c4db2ba59a61204fa1503e67d60e8bfdde13f872f873424a24bf4a15373284b17f2e458

  • SSDEEP

    12288:AKzB5kY660fIaDZkY660f8jTK/XhdAwlt01PBExKN4P6Ir:A85gsaDZgQjGkwlksd

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

      8f51292529f7ed95eebffd94abc4ff1df660752e990e1fd6025f8c60cd0f3668N.exe

    • Size

      704KB

    • MD5

      f97a7799f59de54847d29a40518fdc70

    • SHA1

      91b3165d0314b32187b346def11245b46f277550

    • SHA256

      8f51292529f7ed95eebffd94abc4ff1df660752e990e1fd6025f8c60cd0f3668

    • SHA512

      141e24a3dd3f6c398182e4e53fb8d8d10a93e38c9198d120ded6efa89c4db2ba59a61204fa1503e67d60e8bfdde13f872f873424a24bf4a15373284b17f2e458

    • SSDEEP

      12288:AKzB5kY660fIaDZkY660f8jTK/XhdAwlt01PBExKN4P6Ir:A85gsaDZgQjGkwlksd

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks