Overview

overview

10

Static

static

10

1a9657e4cd...c1.exe

windows7-x64

10

1a9657e4cd...c1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1a9657e4cd7d0d5ebe4eb673092e219c4b6221efd9fca9203bc248c88826b9c1

  • Size

    386KB

  • Sample

    250305-zy5tjaywcz

  • MD5

    047a297b8e8de5785e1e29d156bc6b7f

  • SHA1

    7898fe7ca49f994febc3f6995eef81c03fa1adc3

  • SHA256

    1a9657e4cd7d0d5ebe4eb673092e219c4b6221efd9fca9203bc248c88826b9c1

  • SHA512

    b762f8a6dc3c92d60264b07164e7ec8247a3a5e2d84798254a79e695145c23bbcff3452d8c7837f503c6144450225d0c32d63606a61d0d20bed36983f5d4ac86

  • SSDEEP

    6144:A4liNs7wQIc72nxvG7rbxmPVvRqlfJg9i4s7wQIc72nxvG7rbxmPV9:AgwQZ7287xmPFRkfJg9qwQZ7287xmP7

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

      1a9657e4cd7d0d5ebe4eb673092e219c4b6221efd9fca9203bc248c88826b9c1

    • Size

      386KB

    • MD5

      047a297b8e8de5785e1e29d156bc6b7f

    • SHA1

      7898fe7ca49f994febc3f6995eef81c03fa1adc3

    • SHA256

      1a9657e4cd7d0d5ebe4eb673092e219c4b6221efd9fca9203bc248c88826b9c1

    • SHA512

      b762f8a6dc3c92d60264b07164e7ec8247a3a5e2d84798254a79e695145c23bbcff3452d8c7837f503c6144450225d0c32d63606a61d0d20bed36983f5d4ac86

    • SSDEEP

      6144:A4liNs7wQIc72nxvG7rbxmPVvRqlfJg9i4s7wQIc72nxvG7rbxmPV9:AgwQZ7287xmPFRkfJg9qwQZ7287xmP7

    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