Overview

overview

10

Static

static

3

6cd57a046b...a8.exe

windows7-x64

10

6cd57a046b...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6cd57a046b7c747d3472bd6e4eed55e0fd9092792a358b2138df96cce80502a8

  • Size

    93KB

  • Sample

    250307-q4fl6a1sgz

  • MD5

    0b748afb1db85d0db6b776afd2d67b75

  • SHA1

    acddad22aed8534828087e7b05ce7a39a79db61e

  • SHA256

    6cd57a046b7c747d3472bd6e4eed55e0fd9092792a358b2138df96cce80502a8

  • SHA512

    8ac5cc20675b9226f0d8b5d01a973fc786cf28dc6e464b252e66cd846eb455e04f077d9b2b7f7eedd370f3c9a4cae39f7cb67414b27fa317d43c22e301a4a61c

  • SSDEEP

    1536:Ctk8fwaOz54SC7x6HL09g9d2Ma47fvznTbjiwg58:CWraOzCSmigafLjY58

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

      6cd57a046b7c747d3472bd6e4eed55e0fd9092792a358b2138df96cce80502a8

    • Size

      93KB

    • MD5

      0b748afb1db85d0db6b776afd2d67b75

    • SHA1

      acddad22aed8534828087e7b05ce7a39a79db61e

    • SHA256

      6cd57a046b7c747d3472bd6e4eed55e0fd9092792a358b2138df96cce80502a8

    • SHA512

      8ac5cc20675b9226f0d8b5d01a973fc786cf28dc6e464b252e66cd846eb455e04f077d9b2b7f7eedd370f3c9a4cae39f7cb67414b27fa317d43c22e301a4a61c

    • SSDEEP

      1536:Ctk8fwaOz54SC7x6HL09g9d2Ma47fvznTbjiwg58:CWraOzCSmigafLjY58

    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