Overview

overview

10

Static

static

3

17b9f54f91...ec.exe

windows7-x64

10

17b9f54f91...ec.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    17b9f54f918b676e8542feca306d47d215d268063034a1d5b2cee7f5fc6792ec

  • Size

    76KB

  • Sample

    241207-ywzn3a1mgt

  • MD5

    b5dc81a2f19cac6d187e9d442420316b

  • SHA1

    500895663e6a167ca655d968f9189844404b3d01

  • SHA256

    17b9f54f918b676e8542feca306d47d215d268063034a1d5b2cee7f5fc6792ec

  • SHA512

    388d346ad06061dbeb32f36f7d36c32592b7dad621c81cdf6c24bf2be63da66a28bf2049b216aa7ef766d03ebaedacb72eec4934f32bc2bdc0a6ad686263e65f

  • SSDEEP

    1536:WeuOykf/wufXeDQYl4IYBwL2DVq+Z16p4fMY2AQmH:FbLf/8DzCVa2DUegpANQmH

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

      17b9f54f918b676e8542feca306d47d215d268063034a1d5b2cee7f5fc6792ec

    • Size

      76KB

    • MD5

      b5dc81a2f19cac6d187e9d442420316b

    • SHA1

      500895663e6a167ca655d968f9189844404b3d01

    • SHA256

      17b9f54f918b676e8542feca306d47d215d268063034a1d5b2cee7f5fc6792ec

    • SHA512

      388d346ad06061dbeb32f36f7d36c32592b7dad621c81cdf6c24bf2be63da66a28bf2049b216aa7ef766d03ebaedacb72eec4934f32bc2bdc0a6ad686263e65f

    • SSDEEP

      1536:WeuOykf/wufXeDQYl4IYBwL2DVq+Z16p4fMY2AQmH:FbLf/8DzCVa2DUegpANQmH

    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