Overview

overview

10

Static

static

3

7a66e4a047...3N.exe

windows7-x64

10

7a66e4a047...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a66e4a04756222de9676f530d296f4f268786a383aadff18ae7b84032331173N.exe

  • Size

    128KB

  • Sample

    241207-2grxfssphm

  • MD5

    e1ef103a66692f13551ddfa4dad31930

  • SHA1

    66d7cb3063b2f68b4843a363b9e39aebf0897986

  • SHA256

    7a66e4a04756222de9676f530d296f4f268786a383aadff18ae7b84032331173

  • SHA512

    23886204ab32f96726fa07ef56466cd1a00d96fe3ceb55ce1b18c1ac6106470ffb122fe4dd34de902501ebc9cd4d7d9d7acda74d3a4e776b2b1b2a433d840c7c

  • SSDEEP

    3072:n2fhdtXUR7IhaYfnDzGYJpD9r8XxrYnQ0:qmdgPfn3GyZ6Yl

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

      7a66e4a04756222de9676f530d296f4f268786a383aadff18ae7b84032331173N.exe

    • Size

      128KB

    • MD5

      e1ef103a66692f13551ddfa4dad31930

    • SHA1

      66d7cb3063b2f68b4843a363b9e39aebf0897986

    • SHA256

      7a66e4a04756222de9676f530d296f4f268786a383aadff18ae7b84032331173

    • SHA512

      23886204ab32f96726fa07ef56466cd1a00d96fe3ceb55ce1b18c1ac6106470ffb122fe4dd34de902501ebc9cd4d7d9d7acda74d3a4e776b2b1b2a433d840c7c

    • SSDEEP

      3072:n2fhdtXUR7IhaYfnDzGYJpD9r8XxrYnQ0:qmdgPfn3GyZ6Yl

    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