Overview

overview

10

Static

static

3

b54c9af600...0d.exe

windows7-x64

10

b54c9af600...0d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b54c9af600805f4008d95bad2502a023de4d4b5466ef5d6bda01e480fc8caa0d

  • Size

    470KB

  • Sample

    241208-crgf2axka1

  • MD5

    c70ac4b7b501ead6bbd00cfbeece5a35

  • SHA1

    6f38280df5db732b880b93b4f8dcf4d057b50175

  • SHA256

    b54c9af600805f4008d95bad2502a023de4d4b5466ef5d6bda01e480fc8caa0d

  • SHA512

    0a5f430df9d92e1325e1c90b319c7e2ea8c885710d911b2241e16b1107c2d6898909ac7e92c34b6935068f39a3f89d87133beeceb5b4a91d2617fea874e09895

  • SSDEEP

    12288:3PvQk/Qc8QVj94nLiFzN3b7CUq1u2ztB1XQKTQInqyS6Rm6TIJ3l7DurTG9c8QVa:fL46

Score
10/10
berbewbackdoordiscoverypersistence

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

      b54c9af600805f4008d95bad2502a023de4d4b5466ef5d6bda01e480fc8caa0d

    • Size

      470KB

    • MD5

      c70ac4b7b501ead6bbd00cfbeece5a35

    • SHA1

      6f38280df5db732b880b93b4f8dcf4d057b50175

    • SHA256

      b54c9af600805f4008d95bad2502a023de4d4b5466ef5d6bda01e480fc8caa0d

    • SHA512

      0a5f430df9d92e1325e1c90b319c7e2ea8c885710d911b2241e16b1107c2d6898909ac7e92c34b6935068f39a3f89d87133beeceb5b4a91d2617fea874e09895

    • SSDEEP

      12288:3PvQk/Qc8QVj94nLiFzN3b7CUq1u2ztB1XQKTQInqyS6Rm6TIJ3l7DurTG9c8QVa:fL46

    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