Overview

overview

10

Static

static

3

a5fc11b4d2...30.exe

windows7-x64

10

a5fc11b4d2...30.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a5fc11b4d27a84698b389e5a403f43731d856fac916e86d6894fab8048626e30

  • Size

    74KB

  • Sample

    241123-cfrsmavpbw

  • MD5

    50476bb39b65d6688530f6a4b0e0adad

  • SHA1

    3bd9fcb08d29202fc2d2d8322a7f818423f1c5e4

  • SHA256

    a5fc11b4d27a84698b389e5a403f43731d856fac916e86d6894fab8048626e30

  • SHA512

    2cdef6bb90d75c6f5baa42f8a37c99bb36f41e33ad158fa24f3037e69f8febbf483477cd1afc8bbf63bde695e7d5089aa9efd8a65faeeacc39887e72b8b533d9

  • SSDEEP

    1536:wwYyD58GY/pCq6+SY7fKfi+WrxwNistIcgyr5vbMAAEQ6gJCK/1Y:wwYQ1Y/V6+P7791otIcgyrVbMAgS

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

      a5fc11b4d27a84698b389e5a403f43731d856fac916e86d6894fab8048626e30

    • Size

      74KB

    • MD5

      50476bb39b65d6688530f6a4b0e0adad

    • SHA1

      3bd9fcb08d29202fc2d2d8322a7f818423f1c5e4

    • SHA256

      a5fc11b4d27a84698b389e5a403f43731d856fac916e86d6894fab8048626e30

    • SHA512

      2cdef6bb90d75c6f5baa42f8a37c99bb36f41e33ad158fa24f3037e69f8febbf483477cd1afc8bbf63bde695e7d5089aa9efd8a65faeeacc39887e72b8b533d9

    • SSDEEP

      1536:wwYyD58GY/pCq6+SY7fKfi+WrxwNistIcgyr5vbMAAEQ6gJCK/1Y:wwYQ1Y/V6+P7791otIcgyrVbMAgS

    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