Overview

overview

10

Static

static

3

a637a5730f...b2.exe

windows7-x64

10

a637a5730f...b2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a637a5730f2b8ef7cfdbc10d5ff26742132e6b35b14c593fba07dcdc937262b2

  • Size

    96KB

  • Sample

    241208-b7g7tsvrgs

  • MD5

    3e0d3b11d112d9b621bcb65ebd8b22e6

  • SHA1

    66d7d2b0efe381eed47dd6765afc08c8f43b5ff1

  • SHA256

    a637a5730f2b8ef7cfdbc10d5ff26742132e6b35b14c593fba07dcdc937262b2

  • SHA512

    6c59ed29517bfd53e19e49e3094d0d701389055d49e6dbcdcd6b3245de8a3931fcdde43fdb306d2b712656ad06a191176c43fe14332394b130d7636c0af28a34

  • SSDEEP

    3072:qI2KE7GnGlhgy3//////////////BXOwrLd69jc0v:qIK2orLd6NV

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

      a637a5730f2b8ef7cfdbc10d5ff26742132e6b35b14c593fba07dcdc937262b2

    • Size

      96KB

    • MD5

      3e0d3b11d112d9b621bcb65ebd8b22e6

    • SHA1

      66d7d2b0efe381eed47dd6765afc08c8f43b5ff1

    • SHA256

      a637a5730f2b8ef7cfdbc10d5ff26742132e6b35b14c593fba07dcdc937262b2

    • SHA512

      6c59ed29517bfd53e19e49e3094d0d701389055d49e6dbcdcd6b3245de8a3931fcdde43fdb306d2b712656ad06a191176c43fe14332394b130d7636c0af28a34

    • SSDEEP

      3072:qI2KE7GnGlhgy3//////////////BXOwrLd69jc0v:qIK2orLd6NV

    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