Overview

overview

10

Static

static

3

b99d0e2ba8...95.exe

windows7-x64

10

b99d0e2ba8...95.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b99d0e2ba8a4d1fed174dc88bcdda3aeb79bead2aaf43562442e6539232fbb95

  • Size

    87KB

  • Sample

    241208-czebmsxngy

  • MD5

    a56858dec07b84c02f2f23a6fc7e010c

  • SHA1

    428689beb3d5acf41c45c8f310cfa616155d18b3

  • SHA256

    b99d0e2ba8a4d1fed174dc88bcdda3aeb79bead2aaf43562442e6539232fbb95

  • SHA512

    fb9d92757372b9bb436d93f34052e8caed9409b7e679af1d199e9ef0ba684a07acd32f13aad7e60c932a85de5dbeb9334113a0ce0ecf007a3399d4b5f87bafa6

  • SSDEEP

    1536:tkolCLqLUwIQTRoSQX1yGqto7K6d7Yr/RQ49RSRBDNrR0RVe7R6R8RPD2zw:lCLHfQTFQlyGqtinW/ekAnDlmbGcGFDh

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b99d0e2ba8a4d1fed174dc88bcdda3aeb79bead2aaf43562442e6539232fbb95

    • Size

      87KB

    • MD5

      a56858dec07b84c02f2f23a6fc7e010c

    • SHA1

      428689beb3d5acf41c45c8f310cfa616155d18b3

    • SHA256

      b99d0e2ba8a4d1fed174dc88bcdda3aeb79bead2aaf43562442e6539232fbb95

    • SHA512

      fb9d92757372b9bb436d93f34052e8caed9409b7e679af1d199e9ef0ba684a07acd32f13aad7e60c932a85de5dbeb9334113a0ce0ecf007a3399d4b5f87bafa6

    • SSDEEP

      1536:tkolCLqLUwIQTRoSQX1yGqto7K6d7Yr/RQ49RSRBDNrR0RVe7R6R8RPD2zw:lCLHfQTFQlyGqtinW/ekAnDlmbGcGFDh

    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