Overview

overview

10

Static

static

3

2a7d8eb200...1d.exe

windows7-x64

10

2a7d8eb200...1d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a7d8eb200a4a61fabd3c176453b2c98f14ae97da91b9ffa751fa52ec22f001d

  • Size

    128KB

  • Sample

    250305-17vwcs1pv4

  • MD5

    2e55a92f219f6e7f8a3527888cdbbfd0

  • SHA1

    fdb1934089e87c42e131a00a96bbd23d3a4718e1

  • SHA256

    2a7d8eb200a4a61fabd3c176453b2c98f14ae97da91b9ffa751fa52ec22f001d

  • SHA512

    0a6fafe72d97b3e97682cfab10f96f0948702018b314e254b9dedada625d5771b9f86f275ec0812cd7068ba885bcee261491df5ea84e0b1e18757ea71d729922

  • SSDEEP

    3072:M7WQCwUHGXKyROANz6nJxXUGrrRYSa9rR85DEn5k7rC9:wum5OANzuxkGrr4rQD85k/O

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

      2a7d8eb200a4a61fabd3c176453b2c98f14ae97da91b9ffa751fa52ec22f001d

    • Size

      128KB

    • MD5

      2e55a92f219f6e7f8a3527888cdbbfd0

    • SHA1

      fdb1934089e87c42e131a00a96bbd23d3a4718e1

    • SHA256

      2a7d8eb200a4a61fabd3c176453b2c98f14ae97da91b9ffa751fa52ec22f001d

    • SHA512

      0a6fafe72d97b3e97682cfab10f96f0948702018b314e254b9dedada625d5771b9f86f275ec0812cd7068ba885bcee261491df5ea84e0b1e18757ea71d729922

    • SSDEEP

      3072:M7WQCwUHGXKyROANz6nJxXUGrrRYSa9rR85DEn5k7rC9:wum5OANzuxkGrr4rQD85k/O

    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