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Overview

overview

10

Static

static

10

b3bbffc00f...bN.exe

windows7-x64

10

b3bbffc00f...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3bbffc00fdd5eda7ce518940112b574138bd23b86994a9d6e75bd9f48be6c3bN

  • Size

    121KB

  • Sample

    241012-t79wyszgle

  • MD5

    b742aba8e9f25b0805c7b31e7c526bd0

  • SHA1

    0c7a40107451efdd11c29c91994c832e98765f41

  • SHA256

    b3bbffc00fdd5eda7ce518940112b574138bd23b86994a9d6e75bd9f48be6c3b

  • SHA512

    3380812b231db175a22db218e4cf181a95b6dd53d0c1231ca322859361e7e3833320c4d10b252e4b8f0e50c6eefd21bf72d4b05a7348b71e3745be86feecdd3a

  • SSDEEP

    1536:4vlbYqXRgPbFlYa+IwCHyJh7M5D4uXud4CfHRlK6w1tCV19zQYOd5ijJnD5ir3oX:4vlBsYvp7M5F9CZlI18O7AJnD5tvv

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

      b3bbffc00fdd5eda7ce518940112b574138bd23b86994a9d6e75bd9f48be6c3bN

    • Size

      121KB

    • MD5

      b742aba8e9f25b0805c7b31e7c526bd0

    • SHA1

      0c7a40107451efdd11c29c91994c832e98765f41

    • SHA256

      b3bbffc00fdd5eda7ce518940112b574138bd23b86994a9d6e75bd9f48be6c3b

    • SHA512

      3380812b231db175a22db218e4cf181a95b6dd53d0c1231ca322859361e7e3833320c4d10b252e4b8f0e50c6eefd21bf72d4b05a7348b71e3745be86feecdd3a

    • SSDEEP

      1536:4vlbYqXRgPbFlYa+IwCHyJh7M5D4uXud4CfHRlK6w1tCV19zQYOd5ijJnD5ir3oX:4vlBsYvp7M5F9CZlI18O7AJnD5tvv

    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