Overview

overview

10

Static

static

3

5204da0c90...eN.exe

windows7-x64

10

5204da0c90...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5204da0c902a7a784af680ace901921eab052dfd0d0b5beeffd0002be8ab718eN.exe

  • Size

    390KB

  • Sample

    241225-w7b12asnfr

  • MD5

    d5dbddd6dd3309da1563045394f1d040

  • SHA1

    bebf89c1440e3db733b01c3aa3234d638a8792a3

  • SHA256

    5204da0c902a7a784af680ace901921eab052dfd0d0b5beeffd0002be8ab718e

  • SHA512

    884c3bc023ec1e132d6b67c2b1873cfe17c1d31f639dfbd07d0d3fff0b198a6206bda76f03a2d0afcf7b2f8536a1e8242bf20255ffce81731bf33cb1d4232f0f

  • SSDEEP

    6144:VnJWGoO4odvbG66b+X0RjtdgOPAUvgkNRgdgOPAUvgkG:VnJWGo4FUngEiM2gEif

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

      5204da0c902a7a784af680ace901921eab052dfd0d0b5beeffd0002be8ab718eN.exe

    • Size

      390KB

    • MD5

      d5dbddd6dd3309da1563045394f1d040

    • SHA1

      bebf89c1440e3db733b01c3aa3234d638a8792a3

    • SHA256

      5204da0c902a7a784af680ace901921eab052dfd0d0b5beeffd0002be8ab718e

    • SHA512

      884c3bc023ec1e132d6b67c2b1873cfe17c1d31f639dfbd07d0d3fff0b198a6206bda76f03a2d0afcf7b2f8536a1e8242bf20255ffce81731bf33cb1d4232f0f

    • SSDEEP

      6144:VnJWGoO4odvbG66b+X0RjtdgOPAUvgkNRgdgOPAUvgkG:VnJWGo4FUngEiM2gEif

    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