Overview

overview

10

Static

static

3

7cdb2ba36d...dd.exe

windows7-x64

10

7cdb2ba36d...dd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7cdb2ba36ddf5c5526f900ade4b74422e2baed2fa37956a67187e9384ef893dd

  • Size

    1.2MB

  • Sample

    250307-w5ts3avpt3

  • MD5

    bf97e01db801efffe81fe58cc4fe6687

  • SHA1

    9d4565a13ec82a56bab51d2f7dcff7bf4feed565

  • SHA256

    7cdb2ba36ddf5c5526f900ade4b74422e2baed2fa37956a67187e9384ef893dd

  • SHA512

    193c3aa3ba0a9cacc63646b253820ce8e6a3e659babc4c613e2723afbe3ddf8182876859500fef04e1371ebe84bab8f96b1b91eabf09c1004b36e6f0fffa1f3d

  • SSDEEP

    24576:4gu5YyCtCCm0BKh2kkkkK4kXkkkkkkkkhLX3a20R0v50+YR:4gu5RCtCXbazR0vk

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

      7cdb2ba36ddf5c5526f900ade4b74422e2baed2fa37956a67187e9384ef893dd

    • Size

      1.2MB

    • MD5

      bf97e01db801efffe81fe58cc4fe6687

    • SHA1

      9d4565a13ec82a56bab51d2f7dcff7bf4feed565

    • SHA256

      7cdb2ba36ddf5c5526f900ade4b74422e2baed2fa37956a67187e9384ef893dd

    • SHA512

      193c3aa3ba0a9cacc63646b253820ce8e6a3e659babc4c613e2723afbe3ddf8182876859500fef04e1371ebe84bab8f96b1b91eabf09c1004b36e6f0fffa1f3d

    • SSDEEP

      24576:4gu5YyCtCCm0BKh2kkkkK4kXkkkkkkkkhLX3a20R0v50+YR:4gu5RCtCXbazR0vk

    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