Overview

overview

10

Static

static

10

42a7893ffd...d7.exe

windows7-x64

10

42a7893ffd...d7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    42a7893ffdde727b85e17ac0be5132fd58de2e9f6b805e561b08724fe22535d7

  • Size

    290KB

  • Sample

    241207-1rvwes1map

  • MD5

    7e597472e5bdf2f7c9e0d2b54d67a8a7

  • SHA1

    da8d32ea18fa2f457f66dcde567fd46c4da26481

  • SHA256

    42a7893ffdde727b85e17ac0be5132fd58de2e9f6b805e561b08724fe22535d7

  • SHA512

    ae71985c27fd38da5bc48da929149f44ddffed825e0544e43d95c74387ef7a63068bf8a716fc2403bd32747ed59bed5fa4823b856590155ffabdafb6a0337057

  • SSDEEP

    6144:sOHzauAOI+v4dnLJqx0O22+kKDR+nNB8VcIaEJIPLJqx0O22+kKD:DzalOL0FqqO22+3+nP8VkFqqO22+

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

      42a7893ffdde727b85e17ac0be5132fd58de2e9f6b805e561b08724fe22535d7

    • Size

      290KB

    • MD5

      7e597472e5bdf2f7c9e0d2b54d67a8a7

    • SHA1

      da8d32ea18fa2f457f66dcde567fd46c4da26481

    • SHA256

      42a7893ffdde727b85e17ac0be5132fd58de2e9f6b805e561b08724fe22535d7

    • SHA512

      ae71985c27fd38da5bc48da929149f44ddffed825e0544e43d95c74387ef7a63068bf8a716fc2403bd32747ed59bed5fa4823b856590155ffabdafb6a0337057

    • SSDEEP

      6144:sOHzauAOI+v4dnLJqx0O22+kKDR+nNB8VcIaEJIPLJqx0O22+kKD:DzalOL0FqqO22+3+nP8VkFqqO22+

    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