Overview

overview

10

Static

static

3

71b83b796a...2b.exe

windows7-x64

10

71b83b796a...2b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    71b83b796a7994c613b2490e99ac22e0dbb92b634d90ea03ce428684d008ca2b

  • Size

    89KB

  • Sample

    241207-3s228swlal

  • MD5

    4110d5c8b4a951f6de1d089828ced97c

  • SHA1

    ce95995e8143ded3b4d3eab40800ae962d76246f

  • SHA256

    71b83b796a7994c613b2490e99ac22e0dbb92b634d90ea03ce428684d008ca2b

  • SHA512

    0ecd237257543797bc64b42e9e586cb3dda99d3925829c946a5781eb0419e64adcdc95cc0d01df022ccf2349f7bc4f32bfcd3d3ef4d862cf1ce3010a85788b0c

  • SSDEEP

    1536:ka/f5bQq5EWhWxni4kEBgjREraRkxTrL6l72S4kPzLVcw0scz/cElExkg8Fk:ka50qiWhWxDkEBsREuReTrud2S4kP1NZ

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

      71b83b796a7994c613b2490e99ac22e0dbb92b634d90ea03ce428684d008ca2b

    • Size

      89KB

    • MD5

      4110d5c8b4a951f6de1d089828ced97c

    • SHA1

      ce95995e8143ded3b4d3eab40800ae962d76246f

    • SHA256

      71b83b796a7994c613b2490e99ac22e0dbb92b634d90ea03ce428684d008ca2b

    • SHA512

      0ecd237257543797bc64b42e9e586cb3dda99d3925829c946a5781eb0419e64adcdc95cc0d01df022ccf2349f7bc4f32bfcd3d3ef4d862cf1ce3010a85788b0c

    • SSDEEP

      1536:ka/f5bQq5EWhWxni4kEBgjREraRkxTrL6l72S4kPzLVcw0scz/cElExkg8Fk:ka50qiWhWxDkEBsREuReTrud2S4kP1NZ

    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