General

  • Target

    b17e77f9dddb9aa936e06e7bfbaa38fd4c10121c6dd360716d47d61fa48ccccbN.exe

  • Size

    400KB

  • Sample

    241208-bhck2stpc1

  • MD5

    d1c51b46d9ccf83f3bc2bc03c46a73d0

  • SHA1

    5ddc533c1952b307b64e45f152a06efb82c27d89

  • SHA256

    b17e77f9dddb9aa936e06e7bfbaa38fd4c10121c6dd360716d47d61fa48ccccb

  • SHA512

    6e1d268279ab731972415b95dc6151f172de3b5a2d97caae737c49fbe3675bcfd963b58a4d6e80dd2128e1a8dd5f2a911a1be1823424c0ffb550e34696f0eb81

  • SSDEEP

    6144:BSR3c+5SvO96/CSQYJ8wEbbL5lULW8wEbq9ByvZ6Mxv5Rar3O6B9fZSLhZmz+:Bu582o8wE39uW8wESByvNv54B9f01ZmC

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b17e77f9dddb9aa936e06e7bfbaa38fd4c10121c6dd360716d47d61fa48ccccbN.exe

    • Size

      400KB

    • MD5

      d1c51b46d9ccf83f3bc2bc03c46a73d0

    • SHA1

      5ddc533c1952b307b64e45f152a06efb82c27d89

    • SHA256

      b17e77f9dddb9aa936e06e7bfbaa38fd4c10121c6dd360716d47d61fa48ccccb

    • SHA512

      6e1d268279ab731972415b95dc6151f172de3b5a2d97caae737c49fbe3675bcfd963b58a4d6e80dd2128e1a8dd5f2a911a1be1823424c0ffb550e34696f0eb81

    • SSDEEP

      6144:BSR3c+5SvO96/CSQYJ8wEbbL5lULW8wEbq9ByvZ6Mxv5Rar3O6B9fZSLhZmz+:Bu582o8wE39uW8wESByvNv54B9f01ZmC

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks