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Overview

overview

10

Static

static

3

4039ffd48c...2N.exe

windows7-x64

10

4039ffd48c...2N.exe

windows10-2004-x64

10

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General

  • Target

    4039ffd48cb308fc932380d94f05e817ec9303a42a7a4d0bff2bf4d9e0865202N

  • Size

    144KB

  • Sample

    240921-xzc4ssyglk

  • MD5

    f670d988c23763e81bd3fa72ac8e4b40

  • SHA1

    ea2c2a1bb00b55ac7ce78a2d091fd875e1c5c439

  • SHA256

    4039ffd48cb308fc932380d94f05e817ec9303a42a7a4d0bff2bf4d9e0865202

  • SHA512

    03a64cbaf15398acb32e5e29960d8a9fd02869e3f51c3e47c41c856a661a5b30ad4f9a068d3b19b8ca7374d0e9d4f745a6152c9343bdb742a66da7324673c7fe

  • SSDEEP

    3072:Js0wDRWMhFg1EgdgHq/Wp+YmKfxgQdxvq:Js0wDMMk1EgdUmKyIxi

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

      4039ffd48cb308fc932380d94f05e817ec9303a42a7a4d0bff2bf4d9e0865202N

    • Size

      144KB

    • MD5

      f670d988c23763e81bd3fa72ac8e4b40

    • SHA1

      ea2c2a1bb00b55ac7ce78a2d091fd875e1c5c439

    • SHA256

      4039ffd48cb308fc932380d94f05e817ec9303a42a7a4d0bff2bf4d9e0865202

    • SHA512

      03a64cbaf15398acb32e5e29960d8a9fd02869e3f51c3e47c41c856a661a5b30ad4f9a068d3b19b8ca7374d0e9d4f745a6152c9343bdb742a66da7324673c7fe

    • SSDEEP

      3072:Js0wDRWMhFg1EgdgHq/Wp+YmKfxgQdxvq:Js0wDMMk1EgdUmKyIxi

    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