Overview

overview

10

Static

static

3

bd2b1cc88f...34.exe

windows7-x64

10

bd2b1cc88f...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bd2b1cc88f3d5611795662e0aff177028eefb96045b31a7578226b78632c7934

  • Size

    187KB

  • Sample

    241223-c4eszavjcz

  • MD5

    ce11206e5f0433e26c6f899f09130616

  • SHA1

    e86953b89cdefef0add66165c29af2309c828947

  • SHA256

    bd2b1cc88f3d5611795662e0aff177028eefb96045b31a7578226b78632c7934

  • SHA512

    847f8d2acf6e2af66f457552c92b4b7f1691d718ec15af3722f495884a517debd389041cc758b841f7ba70f5e6c22aa7a4aed2f45c599b5443c1720d5358f456

  • SSDEEP

    3072:cTnOXD+viU4zMcAe0VgtRQ2c+tlB5xpWJLM77OkeCK2+hDueH:Kn0AF4zge0V+tbFOLM77OLLt

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

      bd2b1cc88f3d5611795662e0aff177028eefb96045b31a7578226b78632c7934

    • Size

      187KB

    • MD5

      ce11206e5f0433e26c6f899f09130616

    • SHA1

      e86953b89cdefef0add66165c29af2309c828947

    • SHA256

      bd2b1cc88f3d5611795662e0aff177028eefb96045b31a7578226b78632c7934

    • SHA512

      847f8d2acf6e2af66f457552c92b4b7f1691d718ec15af3722f495884a517debd389041cc758b841f7ba70f5e6c22aa7a4aed2f45c599b5443c1720d5358f456

    • SSDEEP

      3072:cTnOXD+viU4zMcAe0VgtRQ2c+tlB5xpWJLM77OkeCK2+hDueH:Kn0AF4zge0V+tbFOLM77OLLt

    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