Overview

overview

10

Static

static

10

8f94422d0e...6b.exe

windows7-x64

10

8f94422d0e...6b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f94422d0e28e737c722d70115af3df882b0f4427a8d5925587e924d42ea636b

  • Size

    386KB

  • Sample

    250308-bt6m9szvhs

  • MD5

    926c15ffb8d13922c30373020f092836

  • SHA1

    6b7ca2051c05bb9e8fc3a63b05950b136ded407e

  • SHA256

    8f94422d0e28e737c722d70115af3df882b0f4427a8d5925587e924d42ea636b

  • SHA512

    4f2247f11388227d800e1fd7bd47e8f3fe578815d3acd76ed1fe796d9f69561a4de89542a485ca06b87bbeb7b629ecbdef04258d69b9f607634f2942d61e0c58

  • SSDEEP

    12288:ENnfLF9wQZ7287xmPFRkfJg9qwQZ7287xmP:QnfTZZ/aFKm9qZZ/a

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

      8f94422d0e28e737c722d70115af3df882b0f4427a8d5925587e924d42ea636b

    • Size

      386KB

    • MD5

      926c15ffb8d13922c30373020f092836

    • SHA1

      6b7ca2051c05bb9e8fc3a63b05950b136ded407e

    • SHA256

      8f94422d0e28e737c722d70115af3df882b0f4427a8d5925587e924d42ea636b

    • SHA512

      4f2247f11388227d800e1fd7bd47e8f3fe578815d3acd76ed1fe796d9f69561a4de89542a485ca06b87bbeb7b629ecbdef04258d69b9f607634f2942d61e0c58

    • SSDEEP

      12288:ENnfLF9wQZ7287xmPFRkfJg9qwQZ7287xmP:QnfTZZ/aFKm9qZZ/a

    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