Overview

overview

10

Static

static

3

81e7a45aa8...60.exe

windows7-x64

10

81e7a45aa8...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    81e7a45aa8cbdfbcaed36e839d7622297bd195ac3caf6a4631d1a7a41002ed60

  • Size

    91KB

  • Sample

    241209-ar22ma1pak

  • MD5

    bcfa1695f7ba5c3f0b1bfbd96d5271b1

  • SHA1

    00c3f6ef002ceee41f0ad063208dc1f340b7a1ac

  • SHA256

    81e7a45aa8cbdfbcaed36e839d7622297bd195ac3caf6a4631d1a7a41002ed60

  • SHA512

    c3be51148c90f9b24b41a35923e72597f973068705baa7f642b7dca4910b891cc34c4d0f987c191110bf17e6add467da155a2b3b442779c00ac511eb8ed17592

  • SSDEEP

    1536:CnDzDHwV90P1p1yR073zcWQV0eHOEciWPS/kbQdy9qb0jKZkJe3qVX6Yr/viVMi:GDHw0jcWVeHnZnEqo/vOMi

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

      81e7a45aa8cbdfbcaed36e839d7622297bd195ac3caf6a4631d1a7a41002ed60

    • Size

      91KB

    • MD5

      bcfa1695f7ba5c3f0b1bfbd96d5271b1

    • SHA1

      00c3f6ef002ceee41f0ad063208dc1f340b7a1ac

    • SHA256

      81e7a45aa8cbdfbcaed36e839d7622297bd195ac3caf6a4631d1a7a41002ed60

    • SHA512

      c3be51148c90f9b24b41a35923e72597f973068705baa7f642b7dca4910b891cc34c4d0f987c191110bf17e6add467da155a2b3b442779c00ac511eb8ed17592

    • SSDEEP

      1536:CnDzDHwV90P1p1yR073zcWQV0eHOEciWPS/kbQdy9qb0jKZkJe3qVX6Yr/viVMi:GDHw0jcWVeHnZnEqo/vOMi

    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