Overview

overview

10

Static

static

10

a8c1a5d63b...9d.exe

windows7-x64

10

a8c1a5d63b...9d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a8c1a5d63b9b97d8658acd0b0687610899ede06c0849c0220a0853cbe7b9de9d

  • Size

    386KB

  • Sample

    241209-cck6nsxnhv

  • MD5

    dfcf74891aaf54af31c3ebd229e5a2fd

  • SHA1

    65d5aebab22e0d3292635d348c14c98ada120e74

  • SHA256

    a8c1a5d63b9b97d8658acd0b0687610899ede06c0849c0220a0853cbe7b9de9d

  • SHA512

    c4848760608b78d7fdc443de003faeee8243e5c41e059a841548120bc3837e39d73ac95a6906d30c12a089fdd136978e5553f034c8b5f0ccd2b21bfe80d4dfa1

  • SSDEEP

    6144:BvBAAQFNLs7wQIc72nxvG7rbxmPVvRqlfJg9i4s7wQIc72nxvG7rbxmPV9:DAgwQZ7287xmPFRkfJg9qwQZ7287xmP7

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

      a8c1a5d63b9b97d8658acd0b0687610899ede06c0849c0220a0853cbe7b9de9d

    • Size

      386KB

    • MD5

      dfcf74891aaf54af31c3ebd229e5a2fd

    • SHA1

      65d5aebab22e0d3292635d348c14c98ada120e74

    • SHA256

      a8c1a5d63b9b97d8658acd0b0687610899ede06c0849c0220a0853cbe7b9de9d

    • SHA512

      c4848760608b78d7fdc443de003faeee8243e5c41e059a841548120bc3837e39d73ac95a6906d30c12a089fdd136978e5553f034c8b5f0ccd2b21bfe80d4dfa1

    • SSDEEP

      6144:BvBAAQFNLs7wQIc72nxvG7rbxmPVvRqlfJg9i4s7wQIc72nxvG7rbxmPV9:DAgwQZ7287xmPFRkfJg9qwQZ7287xmP7

    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