Overview

overview

10

Static

static

3

961d042903...cN.exe

windows7-x64

10

961d042903...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    961d042903f446a0613577074e33294b40f76e852e520693185e90a78ed3295cN.exe

  • Size

    448KB

  • Sample

    241119-nlssnavfpg

  • MD5

    8431b9886f545b002ae4f717588bd8c0

  • SHA1

    736c5abb7bca00fabb1fcf528392ab24244e5fde

  • SHA256

    961d042903f446a0613577074e33294b40f76e852e520693185e90a78ed3295c

  • SHA512

    e475226e34e2022ce2b45c3bc9583c1c79621c8bfc05352dbe1bded0fd0e72b7f50ca5c601af6b629f0de97b87ecef47f6353bb29ba608cd077b8e50bf43cd1a

  • SSDEEP

    6144:KYis6faNWv9pJe6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+42GTQMJSZO5f7wjK:KY7FIv9CkY660fIaDZkY660f8jTK/h

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

      961d042903f446a0613577074e33294b40f76e852e520693185e90a78ed3295cN.exe

    • Size

      448KB

    • MD5

      8431b9886f545b002ae4f717588bd8c0

    • SHA1

      736c5abb7bca00fabb1fcf528392ab24244e5fde

    • SHA256

      961d042903f446a0613577074e33294b40f76e852e520693185e90a78ed3295c

    • SHA512

      e475226e34e2022ce2b45c3bc9583c1c79621c8bfc05352dbe1bded0fd0e72b7f50ca5c601af6b629f0de97b87ecef47f6353bb29ba608cd077b8e50bf43cd1a

    • SSDEEP

      6144:KYis6faNWv9pJe6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+42GTQMJSZO5f7wjK:KY7FIv9CkY660fIaDZkY660f8jTK/h

    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