Overview

overview

10

Static

static

3

cf54e08e1c...aN.exe

windows7-x64

10

cf54e08e1c...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf54e08e1c866662d9b2b3e21e091f8edfbfc6d93b9607873ee55ccfa816a2daN

  • Size

    144KB

  • Sample

    240921-2kvshsxhpb

  • MD5

    b1bd3a886b089415430a48cff0c09860

  • SHA1

    04d0d0d2ed38e15677c42c6ea8fcad490cf43bd1

  • SHA256

    cf54e08e1c866662d9b2b3e21e091f8edfbfc6d93b9607873ee55ccfa816a2da

  • SHA512

    93843b15985d10baeb3a6e48ef871896fc44d4b1b79f34f9c43cb75b4ac9e45c251e36c35c8d2c6c7bf2caa9cbdcb9f147b52a9ea12d303edd8c6c8b8801dd61

  • SSDEEP

    3072:GIQuw4yOZtdQFgxg9gHq/Wp+YmKfxgQdxvq:0uDZt+qg9UmKyIxi

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

      cf54e08e1c866662d9b2b3e21e091f8edfbfc6d93b9607873ee55ccfa816a2daN

    • Size

      144KB

    • MD5

      b1bd3a886b089415430a48cff0c09860

    • SHA1

      04d0d0d2ed38e15677c42c6ea8fcad490cf43bd1

    • SHA256

      cf54e08e1c866662d9b2b3e21e091f8edfbfc6d93b9607873ee55ccfa816a2da

    • SHA512

      93843b15985d10baeb3a6e48ef871896fc44d4b1b79f34f9c43cb75b4ac9e45c251e36c35c8d2c6c7bf2caa9cbdcb9f147b52a9ea12d303edd8c6c8b8801dd61

    • SSDEEP

      3072:GIQuw4yOZtdQFgxg9gHq/Wp+YmKfxgQdxvq:0uDZt+qg9UmKyIxi

    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