Overview

overview

10

Static

static

10

3b9bf34d75...d6.exe

windows7-x64

10

3b9bf34d75...d6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b9bf34d75465449c548dd35fe4bfb89c97331e17b55c2175449434817175fd6

  • Size

    276KB

  • Sample

    241207-1h8qxsvnft

  • MD5

    b005e1746e629b148c32295aecdf805b

  • SHA1

    264c91d2c834ae9be8f908da2bb0b05397815cbe

  • SHA256

    3b9bf34d75465449c548dd35fe4bfb89c97331e17b55c2175449434817175fd6

  • SHA512

    862bef606e155cbdb9c93f1b13a9f2785f1b413cca5d36c95cf7e6488e7a9b1aaa81d65d9819fc8a6b90c7a6856c7e299c5d1452be07ba8a8ce8c5cd462230a5

  • SSDEEP

    3072:ltcY30L9O8DwgN5F4e4dv2w2eS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDry:H+Oew9dv2w2dZMGXF5ahdt3rM8d7TtLe

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

      3b9bf34d75465449c548dd35fe4bfb89c97331e17b55c2175449434817175fd6

    • Size

      276KB

    • MD5

      b005e1746e629b148c32295aecdf805b

    • SHA1

      264c91d2c834ae9be8f908da2bb0b05397815cbe

    • SHA256

      3b9bf34d75465449c548dd35fe4bfb89c97331e17b55c2175449434817175fd6

    • SHA512

      862bef606e155cbdb9c93f1b13a9f2785f1b413cca5d36c95cf7e6488e7a9b1aaa81d65d9819fc8a6b90c7a6856c7e299c5d1452be07ba8a8ce8c5cd462230a5

    • SSDEEP

      3072:ltcY30L9O8DwgN5F4e4dv2w2eS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDry:H+Oew9dv2w2dZMGXF5ahdt3rM8d7TtLe

    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