Overview

overview

10

Static

static

3

b2f5d8597e...fN.exe

windows7-x64

10

b2f5d8597e...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2f5d8597ec0ebb57a809aa859a2c35b3845aa7d1d4361a6548858e558cebe3fN.exe

  • Size

    299KB

  • Sample

    241123-c2c7csskep

  • MD5

    deda304eec86d576f38918ee61088860

  • SHA1

    5684f1e4f8d9dd82be00ddbba4e48876a1afb5da

  • SHA256

    b2f5d8597ec0ebb57a809aa859a2c35b3845aa7d1d4361a6548858e558cebe3f

  • SHA512

    b7c2264f581091a929a65253ac461a889f99c72613d0e8ac958022cd7fb512f8b395fbf55d683f597e2ce5bd937fe06e61712719411f61618cbc01df57d7f4f4

  • SSDEEP

    3072:E4j6yOKsBvheBUEdmjRrz3TIUV4BKxAcL5CY2VePI8C3U/XYMJ2okZkRPKc4yEA:8NaWEdGTBki5CYtI8TAokZ2EA

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

      b2f5d8597ec0ebb57a809aa859a2c35b3845aa7d1d4361a6548858e558cebe3fN.exe

    • Size

      299KB

    • MD5

      deda304eec86d576f38918ee61088860

    • SHA1

      5684f1e4f8d9dd82be00ddbba4e48876a1afb5da

    • SHA256

      b2f5d8597ec0ebb57a809aa859a2c35b3845aa7d1d4361a6548858e558cebe3f

    • SHA512

      b7c2264f581091a929a65253ac461a889f99c72613d0e8ac958022cd7fb512f8b395fbf55d683f597e2ce5bd937fe06e61712719411f61618cbc01df57d7f4f4

    • SSDEEP

      3072:E4j6yOKsBvheBUEdmjRrz3TIUV4BKxAcL5CY2VePI8C3U/XYMJ2okZkRPKc4yEA:8NaWEdGTBki5CYtI8TAokZ2EA

    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