Overview

overview

10

Static

static

3

3d90f8ebfa...53.exe

windows7-x64

10

3d90f8ebfa...53.exe

windows10-2004-x64

10

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General

  • Target

    3d90f8ebfa613a88223b4e4218103ff38883be4ae13d43b5348c92ca87234053.exe

  • Size

    1.0MB

  • Sample

    241203-wk44asskfn

  • MD5

    d2fb9eae98d251801121be813107be23

  • SHA1

    92d195bfaa34c650d60978387d26199e6d8a6270

  • SHA256

    3d90f8ebfa613a88223b4e4218103ff38883be4ae13d43b5348c92ca87234053

  • SHA512

    f5073a1482f26947dfd90964f2c5f94c64cfa711afddde4005100c310a67c2bbff68ec4d3132c3c5202e82ef108ea2766bf0932b601485dcefe27e8c0f136c04

  • SSDEEP

    12288:w8zeea2UDwkY660fIaDZkY660f8jTK/XhdAwlt01PBExKN4P6IfKTLR+6CwUkEoV:bSea2UEgsaDZgQjGkwlks/6HnEa

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

      3d90f8ebfa613a88223b4e4218103ff38883be4ae13d43b5348c92ca87234053.exe

    • Size

      1.0MB

    • MD5

      d2fb9eae98d251801121be813107be23

    • SHA1

      92d195bfaa34c650d60978387d26199e6d8a6270

    • SHA256

      3d90f8ebfa613a88223b4e4218103ff38883be4ae13d43b5348c92ca87234053

    • SHA512

      f5073a1482f26947dfd90964f2c5f94c64cfa711afddde4005100c310a67c2bbff68ec4d3132c3c5202e82ef108ea2766bf0932b601485dcefe27e8c0f136c04

    • SSDEEP

      12288:w8zeea2UDwkY660fIaDZkY660f8jTK/XhdAwlt01PBExKN4P6IfKTLR+6CwUkEoV:bSea2UEgsaDZgQjGkwlks/6HnEa

    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