General

  • Target

    f4e11f8d2b1c2be3bcd24cb21a561cc05d7c1cfb405a7c6839ca20cc6883a4bcN.exe

  • Size

    800KB

  • Sample

    241208-fedq6atlbz

  • MD5

    01be475a8340129be2fada603061d830

  • SHA1

    a8f971b3872f630be86051712142d0564649c6f3

  • SHA256

    f4e11f8d2b1c2be3bcd24cb21a561cc05d7c1cfb405a7c6839ca20cc6883a4bc

  • SHA512

    ba9ae7e55add0e354b16913dda961f8b54eff8821d8a722e972e4564bda08400e024f19baa3d0ffd2a0a6ffcc1ce27efdc152685f25ce8996f87b3c4d64b79e6

  • SSDEEP

    12288:S+K/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zrWAE:HKm0BmmvFimm0MTP7hm0BmmvK

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

      f4e11f8d2b1c2be3bcd24cb21a561cc05d7c1cfb405a7c6839ca20cc6883a4bcN.exe

    • Size

      800KB

    • MD5

      01be475a8340129be2fada603061d830

    • SHA1

      a8f971b3872f630be86051712142d0564649c6f3

    • SHA256

      f4e11f8d2b1c2be3bcd24cb21a561cc05d7c1cfb405a7c6839ca20cc6883a4bc

    • SHA512

      ba9ae7e55add0e354b16913dda961f8b54eff8821d8a722e972e4564bda08400e024f19baa3d0ffd2a0a6ffcc1ce27efdc152685f25ce8996f87b3c4d64b79e6

    • SSDEEP

      12288:S+K/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KFHTP7rXFr/+zrWAI5KFum/+zrWAE:HKm0BmmvFimm0MTP7hm0BmmvK

    • 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