Overview

overview

10

Static

static

3

b175d8ef7b...52.exe

windows7-x64

10

b175d8ef7b...52.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b175d8ef7bcd7b2088fabee0d3a6d33476b5f30b2a8a76c906e5b6894e6d5352.exe

  • Size

    72KB

  • Sample

    241225-v148kazrek

  • MD5

    2be44fa8bc6a1399213ecd6baaf293c9

  • SHA1

    d5aa56c473c0786657007a6bdfb61d6816026b1b

  • SHA256

    b175d8ef7bcd7b2088fabee0d3a6d33476b5f30b2a8a76c906e5b6894e6d5352

  • SHA512

    d173e34e7b270577702b3bcc3b168521a18674567a93a5874bea1936a0f03a7b2a28800764c660140d078de2eb77f73801ebab84c4045b02f1445610a36a2c61

  • SSDEEP

    1536:oqc8Aw+HNgIKLBWFRBKJJNsMEYTxfiD76IT5Q2RQo1DbEyRCRRRoR4Rk4:oOAWLBcUJhEYuNheMEy032ya4

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

      b175d8ef7bcd7b2088fabee0d3a6d33476b5f30b2a8a76c906e5b6894e6d5352.exe

    • Size

      72KB

    • MD5

      2be44fa8bc6a1399213ecd6baaf293c9

    • SHA1

      d5aa56c473c0786657007a6bdfb61d6816026b1b

    • SHA256

      b175d8ef7bcd7b2088fabee0d3a6d33476b5f30b2a8a76c906e5b6894e6d5352

    • SHA512

      d173e34e7b270577702b3bcc3b168521a18674567a93a5874bea1936a0f03a7b2a28800764c660140d078de2eb77f73801ebab84c4045b02f1445610a36a2c61

    • SSDEEP

      1536:oqc8Aw+HNgIKLBWFRBKJJNsMEYTxfiD76IT5Q2RQo1DbEyRCRRRoR4Rk4:oOAWLBcUJhEYuNheMEy032ya4

    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