Overview

overview

10

Static

static

3

f8a454bc35...4f.exe

windows7-x64

10

f8a454bc35...4f.exe

windows10-2004-x64

10

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General

  • Target

    f8a454bc351ff2a4ff782523f4e32fd47eed1b089083b0dc2507f744ec6c2e4f

  • Size

    374KB

  • Sample

    241121-p7mdfawrcm

  • MD5

    a84c1c3792c8c92b3a43336a48d90e57

  • SHA1

    10889bb462e45bdd8199d4ea29bd17e7dd7c656f

  • SHA256

    f8a454bc351ff2a4ff782523f4e32fd47eed1b089083b0dc2507f744ec6c2e4f

  • SHA512

    52ca851d0b754fe4c832ab7d2c0ef40ad07fa8594b14c12514862b1810e3b5028eae7927c1b86929a3ee63619e1d760113b1594a9e6b8ed58ef1508f561f0499

  • SSDEEP

    6144:0YLn4MvAwR+Eu6QnFw5+0pU8oStTf3runG/qoxfIkeI1SHkF63lngMBdkw8ZF+Y:0mQYE6uidyzwr6AxfLeI1Su63lgMBdID

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

      f8a454bc351ff2a4ff782523f4e32fd47eed1b089083b0dc2507f744ec6c2e4f

    • Size

      374KB

    • MD5

      a84c1c3792c8c92b3a43336a48d90e57

    • SHA1

      10889bb462e45bdd8199d4ea29bd17e7dd7c656f

    • SHA256

      f8a454bc351ff2a4ff782523f4e32fd47eed1b089083b0dc2507f744ec6c2e4f

    • SHA512

      52ca851d0b754fe4c832ab7d2c0ef40ad07fa8594b14c12514862b1810e3b5028eae7927c1b86929a3ee63619e1d760113b1594a9e6b8ed58ef1508f561f0499

    • SSDEEP

      6144:0YLn4MvAwR+Eu6QnFw5+0pU8oStTf3runG/qoxfIkeI1SHkF63lngMBdkw8ZF+Y:0mQYE6uidyzwr6AxfLeI1Su63lgMBdID

    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