Overview

overview

10

Static

static

10

61f45d7e57...dN.exe

windows7-x64

10

61f45d7e57...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61f45d7e57f38d57509c2e535829d49f3a6f78c4273ffaf177b9d210a594d75dN

  • Size

    256KB

  • Sample

    241009-3v6hfa1frb

  • MD5

    a4f39d7ce267f19c6b85815cece14d10

  • SHA1

    fcd4deba4b7ae526b408f93577efe3c0c5a76303

  • SHA256

    61f45d7e57f38d57509c2e535829d49f3a6f78c4273ffaf177b9d210a594d75d

  • SHA512

    17b05a8d78ba9fb7c492dce523e5e1c218282233e41128df982e5f5ce06ba07b44ec65ef06009b27a1f025827d8fc1afebd9b442c2912f3cd2e0068a0ddfd4a8

  • SSDEEP

    3072:BKki11OI7XXMx2PfQ1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+j:BKk88+Mx2P41PY1PRe19V+j

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

      61f45d7e57f38d57509c2e535829d49f3a6f78c4273ffaf177b9d210a594d75dN

    • Size

      256KB

    • MD5

      a4f39d7ce267f19c6b85815cece14d10

    • SHA1

      fcd4deba4b7ae526b408f93577efe3c0c5a76303

    • SHA256

      61f45d7e57f38d57509c2e535829d49f3a6f78c4273ffaf177b9d210a594d75d

    • SHA512

      17b05a8d78ba9fb7c492dce523e5e1c218282233e41128df982e5f5ce06ba07b44ec65ef06009b27a1f025827d8fc1afebd9b442c2912f3cd2e0068a0ddfd4a8

    • SSDEEP

      3072:BKki11OI7XXMx2PfQ1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+j:BKk88+Mx2P41PY1PRe19V+j

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks