Overview

overview

10

Static

static

3

ef18955753...b8.exe

windows7-x64

10

ef18955753...b8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef1895575392b3dd51c8dc4196af240ea98f6be430e2473b7ed7dd618e7b6bb8

  • Size

    90KB

  • Sample

    241225-emxzbsxlew

  • MD5

    42ff9d6deb12b36dc8a210eaed29a8d4

  • SHA1

    7ee6f29ae98017654f38122d982690ecc8122d86

  • SHA256

    ef1895575392b3dd51c8dc4196af240ea98f6be430e2473b7ed7dd618e7b6bb8

  • SHA512

    72ff76f65154b22ce643115dd5559303e9e6376c0cb8ce77bd656ea20ac2a0e4c9a36130ca4b9967bc8806063b148d3be5d25cc89ce6c0292a9ebdf2adfdd638

  • SSDEEP

    1536:4B24AoP8eELcGKwJ3keb7avDxDM4aPEJzdKi8xPSRwMLOBG9u/Ub0VkVNK:4B2vneWcsVMNg4aPEJBKi2PBBG9u/Ubi

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

      ef1895575392b3dd51c8dc4196af240ea98f6be430e2473b7ed7dd618e7b6bb8

    • Size

      90KB

    • MD5

      42ff9d6deb12b36dc8a210eaed29a8d4

    • SHA1

      7ee6f29ae98017654f38122d982690ecc8122d86

    • SHA256

      ef1895575392b3dd51c8dc4196af240ea98f6be430e2473b7ed7dd618e7b6bb8

    • SHA512

      72ff76f65154b22ce643115dd5559303e9e6376c0cb8ce77bd656ea20ac2a0e4c9a36130ca4b9967bc8806063b148d3be5d25cc89ce6c0292a9ebdf2adfdd638

    • SSDEEP

      1536:4B24AoP8eELcGKwJ3keb7avDxDM4aPEJzdKi8xPSRwMLOBG9u/Ub0VkVNK:4B2vneWcsVMNg4aPEJBKi2PBBG9u/Ubi

    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