Overview

overview

10

Static

static

3

4507b4a539...a1.exe

windows7-x64

10

4507b4a539...a1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4507b4a53907ff39b2ea03e2bd019770ba52d90fb0b22463bc89fdb55fa236a1.exe

  • Size

    97KB

  • Sample

    241120-efxd8avnfl

  • MD5

    c904d494e7dc68c8220e3e38a6272d7d

  • SHA1

    5a4d953ec77280ba094aad6acba510e8bf71f95b

  • SHA256

    4507b4a53907ff39b2ea03e2bd019770ba52d90fb0b22463bc89fdb55fa236a1

  • SHA512

    ad9fec5414334ff169254827fe246e990a659f5fafe08935be84f09a6b721c160b51e9fa121f22d396abf3366231f9580446f0e465e09188d702709bdeb91302

  • SSDEEP

    1536:AgMvQwUYEo86FIA0ZfsaDdT0ZFbJbxdNFHbyvJXeYZd:AgGE4qfsAduHdf7SJXeKd

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

      4507b4a53907ff39b2ea03e2bd019770ba52d90fb0b22463bc89fdb55fa236a1.exe

    • Size

      97KB

    • MD5

      c904d494e7dc68c8220e3e38a6272d7d

    • SHA1

      5a4d953ec77280ba094aad6acba510e8bf71f95b

    • SHA256

      4507b4a53907ff39b2ea03e2bd019770ba52d90fb0b22463bc89fdb55fa236a1

    • SHA512

      ad9fec5414334ff169254827fe246e990a659f5fafe08935be84f09a6b721c160b51e9fa121f22d396abf3366231f9580446f0e465e09188d702709bdeb91302

    • SSDEEP

      1536:AgMvQwUYEo86FIA0ZfsaDdT0ZFbJbxdNFHbyvJXeYZd:AgGE4qfsAduHdf7SJXeKd

    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