Overview

overview

10

Static

static

3

a2890c7da3...2d.exe

windows7-x64

10

a2890c7da3...2d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a2890c7da3c91d97ff029c68168bba78e906c1135265835525409bed095fc92d

  • Size

    94KB

  • Sample

    241223-b2c1xstlcs

  • MD5

    a5499dc1d4789a198e5e4845aeb139db

  • SHA1

    624aafbcf55e68998057ff5a08117f7ff19460c5

  • SHA256

    a2890c7da3c91d97ff029c68168bba78e906c1135265835525409bed095fc92d

  • SHA512

    ae611913b08ae1f43c5962be13d5f4c49f0c894e7ac1b29afed5f32440f0beda06ae0ca6f066c1970a3dc162d0228cf3f707ef34ca84c181420adbfc4280a64a

  • SSDEEP

    1536:kxkKvjMJdQsLqpF809kJvsjxmS2bkXQXjcbZHaTKoO9RSkx3WhkKXBnFsRQD6RfP:kxkKv0KsLqptvmSckACHa7admk2Bnmeu

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

      a2890c7da3c91d97ff029c68168bba78e906c1135265835525409bed095fc92d

    • Size

      94KB

    • MD5

      a5499dc1d4789a198e5e4845aeb139db

    • SHA1

      624aafbcf55e68998057ff5a08117f7ff19460c5

    • SHA256

      a2890c7da3c91d97ff029c68168bba78e906c1135265835525409bed095fc92d

    • SHA512

      ae611913b08ae1f43c5962be13d5f4c49f0c894e7ac1b29afed5f32440f0beda06ae0ca6f066c1970a3dc162d0228cf3f707ef34ca84c181420adbfc4280a64a

    • SSDEEP

      1536:kxkKvjMJdQsLqpF809kJvsjxmS2bkXQXjcbZHaTKoO9RSkx3WhkKXBnFsRQD6RfP:kxkKv0KsLqptvmSckACHa7admk2Bnmeu

    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