Overview

overview

10

Static

static

3

7556cb671c...bN.exe

windows7-x64

10

7556cb671c...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7556cb671c07800dd8b2be8ddea87e62ab9078f52b0db1266243d2343f50718bN

  • Size

    94KB

  • Sample

    241003-rbckgasdka

  • MD5

    fe61476e36ce999fcc2f502247d024d0

  • SHA1

    18b29ad589bc3728851021f0ca1c131998e19f79

  • SHA256

    7556cb671c07800dd8b2be8ddea87e62ab9078f52b0db1266243d2343f50718b

  • SHA512

    20326e455ae6bb00ace1be55655b03c133e2682b2def785f6aa3ac932ceb440dc1c30ca15267d48ccd3ceb1cbaa3acf24336cf391cd8005dc7554af92da8ca7d

  • SSDEEP

    1536:heQvGGLr64Uql3wSzHE6wRxfDVpJqSzZ8GItLGfjXUPTbktf6gK9OWZ+6FunDnxo:heQeGsqldlw3VaSzZ8NtyjkPTbk0goZN

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

      7556cb671c07800dd8b2be8ddea87e62ab9078f52b0db1266243d2343f50718bN

    • Size

      94KB

    • MD5

      fe61476e36ce999fcc2f502247d024d0

    • SHA1

      18b29ad589bc3728851021f0ca1c131998e19f79

    • SHA256

      7556cb671c07800dd8b2be8ddea87e62ab9078f52b0db1266243d2343f50718b

    • SHA512

      20326e455ae6bb00ace1be55655b03c133e2682b2def785f6aa3ac932ceb440dc1c30ca15267d48ccd3ceb1cbaa3acf24336cf391cd8005dc7554af92da8ca7d

    • SSDEEP

      1536:heQvGGLr64Uql3wSzHE6wRxfDVpJqSzZ8GItLGfjXUPTbktf6gK9OWZ+6FunDnxo:heQeGsqldlw3VaSzZ8NtyjkPTbk0goZN

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks