Overview

overview

10

Static

static

3

83b3df3fb2...8N.exe

windows7-x64

10

83b3df3fb2...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    83b3df3fb2ebf7764453a441955d283503e28276ff44e9967eae5065e56bcc78N.exe

  • Size

    74KB

  • Sample

    241207-26nw4avjal

  • MD5

    ef7819751da1004fa07bca25ea11f290

  • SHA1

    f13d714fb906f5326306aac61b686ab7c0d23b7a

  • SHA256

    83b3df3fb2ebf7764453a441955d283503e28276ff44e9967eae5065e56bcc78

  • SHA512

    f167cd3aac54eba1468bb330afb0fece091b03cf237cfd7a448b98dcba598ebc076573a0f0dbf5cbdaf709e0021620ee4caf499850dc2d134b778892e27b0388

  • SSDEEP

    1536:PSAcHgmIti8a2U3+piaPOinrcy6NqKsJZgGtsYsOOt:1Zm12UOpFPOMrcy6N5sJZxyt

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

      83b3df3fb2ebf7764453a441955d283503e28276ff44e9967eae5065e56bcc78N.exe

    • Size

      74KB

    • MD5

      ef7819751da1004fa07bca25ea11f290

    • SHA1

      f13d714fb906f5326306aac61b686ab7c0d23b7a

    • SHA256

      83b3df3fb2ebf7764453a441955d283503e28276ff44e9967eae5065e56bcc78

    • SHA512

      f167cd3aac54eba1468bb330afb0fece091b03cf237cfd7a448b98dcba598ebc076573a0f0dbf5cbdaf709e0021620ee4caf499850dc2d134b778892e27b0388

    • SSDEEP

      1536:PSAcHgmIti8a2U3+piaPOinrcy6NqKsJZgGtsYsOOt:1Zm12UOpFPOMrcy6N5sJZxyt

    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