General

  • Target

    b8b34663925961ab695223bec631b22499b214b05dfd661658ebb3046b022a4eN.exe

  • Size

    288KB

  • Sample

    250102-a3ny5stmet

  • MD5

    e21aad1a947ad207ed3045011d35f5d0

  • SHA1

    0c028acc9d9bcd04a63a6c5bdcb34414e060fb40

  • SHA256

    b8b34663925961ab695223bec631b22499b214b05dfd661658ebb3046b022a4e

  • SHA512

    50d7edd67b6735c2257d105e12d9b07760d52d12fd552def18a8512360d4c9b17f2bf04b953a97b1149c80ac14e53b7db6e80914da1956194085774fbebdfed2

  • SSDEEP

    3072:udm6UwFEMOdWrnKh34QeI7LDT1Yx07KlFYzqpCZSLMi5lQvuIbuzj1DukJFv7I70:ud8gMdgKh34rQLl+wGXAF2PbgKLV9

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

      b8b34663925961ab695223bec631b22499b214b05dfd661658ebb3046b022a4eN.exe

    • Size

      288KB

    • MD5

      e21aad1a947ad207ed3045011d35f5d0

    • SHA1

      0c028acc9d9bcd04a63a6c5bdcb34414e060fb40

    • SHA256

      b8b34663925961ab695223bec631b22499b214b05dfd661658ebb3046b022a4e

    • SHA512

      50d7edd67b6735c2257d105e12d9b07760d52d12fd552def18a8512360d4c9b17f2bf04b953a97b1149c80ac14e53b7db6e80914da1956194085774fbebdfed2

    • SSDEEP

      3072:udm6UwFEMOdWrnKh34QeI7LDT1Yx07KlFYzqpCZSLMi5lQvuIbuzj1DukJFv7I70:ud8gMdgKh34rQLl+wGXAF2PbgKLV9

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

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Brute Ratel C4

      A customized command and control framework for red teaming and adversary simulation.

    • Bruteratel family

    • Detect BruteRatel badger

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks