Overview

overview

10

Static

static

3

8d244fac3d...fc.exe

windows7-x64

10

8d244fac3d...fc.exe

windows10-2004-x64

10

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General

  • Target

    8d244fac3de81cb847b5d0d5ee91d53eaed0d421369053750762b52099f546fc

  • Size

    90KB

  • Sample

    241223-a4snqasrdr

  • MD5

    f50f741451730e1d236bb219d24d0778

  • SHA1

    4c94d331eb73acf1dacea9ea593cd4c8331e8c07

  • SHA256

    8d244fac3de81cb847b5d0d5ee91d53eaed0d421369053750762b52099f546fc

  • SHA512

    0b7818207e87a2ed7d653e6369cc44ecccf61a838a4a426b16964354bd855d507b13e298e3bf4452aefd181dca30d8465751daf39782bb2a9e138b7009ee7a04

  • SSDEEP

    1536:K6+69QiBZOaQ/aRPfMcp+nXe4DpPI5rGzrfAnNGdHu/Ub0VkVNK:KR69Eel415kYENGdu/Ub0+NK

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

      8d244fac3de81cb847b5d0d5ee91d53eaed0d421369053750762b52099f546fc

    • Size

      90KB

    • MD5

      f50f741451730e1d236bb219d24d0778

    • SHA1

      4c94d331eb73acf1dacea9ea593cd4c8331e8c07

    • SHA256

      8d244fac3de81cb847b5d0d5ee91d53eaed0d421369053750762b52099f546fc

    • SHA512

      0b7818207e87a2ed7d653e6369cc44ecccf61a838a4a426b16964354bd855d507b13e298e3bf4452aefd181dca30d8465751daf39782bb2a9e138b7009ee7a04

    • SSDEEP

      1536:K6+69QiBZOaQ/aRPfMcp+nXe4DpPI5rGzrfAnNGdHu/Ub0VkVNK:KR69Eel415kYENGdu/Ub0+NK

    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