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Overview

overview

10

Static

static

3

21a6a30d03...2N.exe

windows7-x64

10

21a6a30d03...2N.exe

windows10-2004-x64

10

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General

  • Target

    21a6a30d034ea3bdeb37a2c86f3301086b3de7ea8650d2dccb5d6fc35491cfb2N

  • Size

    384KB

  • Sample

    241006-k8r8vs1cpf

  • MD5

    c6e86ae15b1e3b5ab8a2ad378a308a40

  • SHA1

    9c15c0df0c4da014251edffb82b7dbdf1e1f63ca

  • SHA256

    21a6a30d034ea3bdeb37a2c86f3301086b3de7ea8650d2dccb5d6fc35491cfb2

  • SHA512

    6fffdc485de2bc3b6c1d6d92884ca2b4a50276c308898a57715ab3fe369509b2fd0e4cb4672d3565e626fe36f3cb08c8beeed62b807cbfafb6d599700c59de54

  • SSDEEP

    6144:M7Crqta8SeNpgdyuH1lZfRo0V8JcgE+ezpg12:M+987g7/VycgE82

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

      21a6a30d034ea3bdeb37a2c86f3301086b3de7ea8650d2dccb5d6fc35491cfb2N

    • Size

      384KB

    • MD5

      c6e86ae15b1e3b5ab8a2ad378a308a40

    • SHA1

      9c15c0df0c4da014251edffb82b7dbdf1e1f63ca

    • SHA256

      21a6a30d034ea3bdeb37a2c86f3301086b3de7ea8650d2dccb5d6fc35491cfb2

    • SHA512

      6fffdc485de2bc3b6c1d6d92884ca2b4a50276c308898a57715ab3fe369509b2fd0e4cb4672d3565e626fe36f3cb08c8beeed62b807cbfafb6d599700c59de54

    • SSDEEP

      6144:M7Crqta8SeNpgdyuH1lZfRo0V8JcgE+ezpg12:M+987g7/VycgE82

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks