Overview

overview

10

Static

static

3

f44cdf21df...1N.exe

windows7-x64

10

f44cdf21df...1N.exe

windows10-2004-x64

10

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General

  • Target

    f44cdf21df8fdfe9b94cd16bae48fd2e601c2aa7b4e2bbf2b6053c4397b343f1N

  • Size

    94KB

  • Sample

    240919-hv9jwaweng

  • MD5

    1d5a574f3dcc3db073331ab43f3bc880

  • SHA1

    8ba9295acd3659c043ec2435dbe87e7c62466c1b

  • SHA256

    f44cdf21df8fdfe9b94cd16bae48fd2e601c2aa7b4e2bbf2b6053c4397b343f1

  • SHA512

    489ede623fe3a19f2811291450c8b6cfb611708018d6a3b9cb3cdb11424478b2373b57c415648b7d8650a8ea0fa082976bb51143b5018bb30e7d7066e17ae49e

  • SSDEEP

    1536:yAiIT1hh7Qr5nHXqZQNetLwqJTMAriv6HmxHcVT7BR9L4DT2EnINs:nT1hhSXqZ8XmQhyT6+ob

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

      f44cdf21df8fdfe9b94cd16bae48fd2e601c2aa7b4e2bbf2b6053c4397b343f1N

    • Size

      94KB

    • MD5

      1d5a574f3dcc3db073331ab43f3bc880

    • SHA1

      8ba9295acd3659c043ec2435dbe87e7c62466c1b

    • SHA256

      f44cdf21df8fdfe9b94cd16bae48fd2e601c2aa7b4e2bbf2b6053c4397b343f1

    • SHA512

      489ede623fe3a19f2811291450c8b6cfb611708018d6a3b9cb3cdb11424478b2373b57c415648b7d8650a8ea0fa082976bb51143b5018bb30e7d7066e17ae49e

    • SSDEEP

      1536:yAiIT1hh7Qr5nHXqZQNetLwqJTMAriv6HmxHcVT7BR9L4DT2EnINs:nT1hhSXqZ8XmQhyT6+ob

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks