Overview

overview

10

Static

static

3

a3321d074f...bN.exe

windows7-x64

10

a3321d074f...bN.exe

windows10-2004-x64

10

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General

  • Target

    a3321d074f0a8d4dcb119ede713ae4bb9d0394c48092f9140177a54ad40e22fbN.exe

  • Size

    108KB

  • Sample

    241119-w9vk6avldp

  • MD5

    c9af541d7b6765880326a1f54ea84a00

  • SHA1

    781469055c412eac25e425f3981cb3229882dcb2

  • SHA256

    a3321d074f0a8d4dcb119ede713ae4bb9d0394c48092f9140177a54ad40e22fb

  • SHA512

    db9d6d3cc42d979913b94e3c003395dbf0e69521ebef4bdf5428b347e3235f98a146840781b2b3d3836c3a61085cda6308912dd3b4c5374ce80b4bf4616c9c69

  • SSDEEP

    1536:dj02X6GNFoA5htEP89wHKY0zLYWPdfOuAABHd5FcFmKcUsvKwF:djz6qFlIP8tBv5A85FcFmKcUsvKwF

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

      a3321d074f0a8d4dcb119ede713ae4bb9d0394c48092f9140177a54ad40e22fbN.exe

    • Size

      108KB

    • MD5

      c9af541d7b6765880326a1f54ea84a00

    • SHA1

      781469055c412eac25e425f3981cb3229882dcb2

    • SHA256

      a3321d074f0a8d4dcb119ede713ae4bb9d0394c48092f9140177a54ad40e22fb

    • SHA512

      db9d6d3cc42d979913b94e3c003395dbf0e69521ebef4bdf5428b347e3235f98a146840781b2b3d3836c3a61085cda6308912dd3b4c5374ce80b4bf4616c9c69

    • SSDEEP

      1536:dj02X6GNFoA5htEP89wHKY0zLYWPdfOuAABHd5FcFmKcUsvKwF:djz6qFlIP8tBv5A85FcFmKcUsvKwF

    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