Overview

overview

10

Static

static

3

bf22151677...1c.exe

windows7-x64

10

bf22151677...1c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bf22151677b10df58188e0d0720dafc63803bc27eb769ed1d04348e31181611c

  • Size

    128KB

  • Sample

    241120-drhjrszgkq

  • MD5

    c1cf8041fbdf8b6e47d3dfc45161a083

  • SHA1

    05991da00e45805b27d069353d8809942273b67e

  • SHA256

    bf22151677b10df58188e0d0720dafc63803bc27eb769ed1d04348e31181611c

  • SHA512

    4705a11a065d8b0067fff3122bd25fa663193e359a1b21b3885fbc99b484bf56550ca32a951feef321cbd80f31f2b3268ddb01cab03bf36c8d8a1d3d6cfaeb92

  • SSDEEP

    1536:IOfnjEom+cAP+6AQe1OS1ZNwWjA2hQYnlu9RYSw1mir8CAjXoiDEuGg0opGCR9C9:Jgo1hEBNw2eH9RYSa9rR85DEn5k7rC9

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

      bf22151677b10df58188e0d0720dafc63803bc27eb769ed1d04348e31181611c

    • Size

      128KB

    • MD5

      c1cf8041fbdf8b6e47d3dfc45161a083

    • SHA1

      05991da00e45805b27d069353d8809942273b67e

    • SHA256

      bf22151677b10df58188e0d0720dafc63803bc27eb769ed1d04348e31181611c

    • SHA512

      4705a11a065d8b0067fff3122bd25fa663193e359a1b21b3885fbc99b484bf56550ca32a951feef321cbd80f31f2b3268ddb01cab03bf36c8d8a1d3d6cfaeb92

    • SSDEEP

      1536:IOfnjEom+cAP+6AQe1OS1ZNwWjA2hQYnlu9RYSw1mir8CAjXoiDEuGg0opGCR9C9:Jgo1hEBNw2eH9RYSa9rR85DEn5k7rC9

    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