Overview

overview

10

Static

static

3

685bb21b1e...5N.exe

windows7-x64

10

685bb21b1e...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    685bb21b1e4d6045d108a53c820a161d021df52b37aa22eaa3ec60f6fb2365a5N.exe

  • Size

    72KB

  • Sample

    241222-pfvwhayjdk

  • MD5

    cfaadaba345592b98d94e45228ea11e0

  • SHA1

    5b069acc5af96b13b0821a4ce6921cae5f587f3c

  • SHA256

    685bb21b1e4d6045d108a53c820a161d021df52b37aa22eaa3ec60f6fb2365a5

  • SHA512

    a9bd402cf1544f77c3cdb75ef627fc41acff3dc3b024b38b92361c2667ef2c48291ab6b85d1bbb948ea2979504c8a78d2317c9a265dace4e2c2271960159936e

  • SSDEEP

    1536:L91yIHVgvhsYzlPoigROwMoj+1p0DiBKSFwDs8qoAL5z:p1yIuSVRNqp0DiBKSFw51Ap

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

      685bb21b1e4d6045d108a53c820a161d021df52b37aa22eaa3ec60f6fb2365a5N.exe

    • Size

      72KB

    • MD5

      cfaadaba345592b98d94e45228ea11e0

    • SHA1

      5b069acc5af96b13b0821a4ce6921cae5f587f3c

    • SHA256

      685bb21b1e4d6045d108a53c820a161d021df52b37aa22eaa3ec60f6fb2365a5

    • SHA512

      a9bd402cf1544f77c3cdb75ef627fc41acff3dc3b024b38b92361c2667ef2c48291ab6b85d1bbb948ea2979504c8a78d2317c9a265dace4e2c2271960159936e

    • SSDEEP

      1536:L91yIHVgvhsYzlPoigROwMoj+1p0DiBKSFwDs8qoAL5z:p1yIuSVRNqp0DiBKSFw51Ap

    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