Overview

overview

10

Static

static

3

2f2653f4a4...dN.exe

windows7-x64

10

2f2653f4a4...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8dN.exe

  • Size

    240KB

  • Sample

    241225-wgfars1kfz

  • MD5

    f8823f846939dc96e4211f1eac0b0710

  • SHA1

    e755ba9f1c989dd2d48b6e15723af41f82b03109

  • SHA256

    2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8d

  • SHA512

    8588d60f88fdb857d14bb8a64d7d61a82b6199e4e8f85df0e91c163955705f672a2a267ea521611a18c3efafa28380a9cfe3550a57d8ce32cfc6f245ab66ebd9

  • SSDEEP

    6144:8G0uxJcoRonGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:d0YcoRiGyXu1jGG1wsGeBgRTGA

Score
10/10
berbewbackdoordiscoverypersistence

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

      2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8dN.exe

    • Size

      240KB

    • MD5

      f8823f846939dc96e4211f1eac0b0710

    • SHA1

      e755ba9f1c989dd2d48b6e15723af41f82b03109

    • SHA256

      2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8d

    • SHA512

      8588d60f88fdb857d14bb8a64d7d61a82b6199e4e8f85df0e91c163955705f672a2a267ea521611a18c3efafa28380a9cfe3550a57d8ce32cfc6f245ab66ebd9

    • SSDEEP

      6144:8G0uxJcoRonGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:d0YcoRiGyXu1jGG1wsGeBgRTGA

    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