General

  • Target

    2255de69f8bf087635d28b3f8f3c2486f6c0f52fdd216b43589bc9843d0c8983N.exe

  • Size

    45KB

  • Sample

    250120-k8w7taskex

  • MD5

    a35e1f42f20671e2bb9032459758dce0

  • SHA1

    6724cbc8023147a08cc73b47a61fcd26e7b322ee

  • SHA256

    2255de69f8bf087635d28b3f8f3c2486f6c0f52fdd216b43589bc9843d0c8983

  • SHA512

    fceaefbf52671515c5057c364905fd9a7ce96223b7cc47441a90f4abb1f3142e7f19aa343c3e0431579fb5dbe4539d9aa1df9ad6d68e53ce936ee775b3814685

  • SSDEEP

    768:ojdXcDUbYeWuxMbvdShqfPC8bqjSNOhJsFRtBlxNE9JFRt51BdplxNZVh9JFRt5G:olJYeWMMhOSC8mjSNesFRtBlxNE9JFRm

Malware Config

Extracted

Family

berbew

C2

http://tat-neftbank.ru/kkq.php

http://tat-neftbank.ru/wcmd.htm

Targets

    • Target

      2255de69f8bf087635d28b3f8f3c2486f6c0f52fdd216b43589bc9843d0c8983N.exe

    • Size

      45KB

    • MD5

      a35e1f42f20671e2bb9032459758dce0

    • SHA1

      6724cbc8023147a08cc73b47a61fcd26e7b322ee

    • SHA256

      2255de69f8bf087635d28b3f8f3c2486f6c0f52fdd216b43589bc9843d0c8983

    • SHA512

      fceaefbf52671515c5057c364905fd9a7ce96223b7cc47441a90f4abb1f3142e7f19aa343c3e0431579fb5dbe4539d9aa1df9ad6d68e53ce936ee775b3814685

    • SSDEEP

      768:ojdXcDUbYeWuxMbvdShqfPC8bqjSNOhJsFRtBlxNE9JFRt51BdplxNZVh9JFRt5G:olJYeWMMhOSC8mjSNesFRtBlxNE9JFRm

    • 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