Overview

overview

10

Static

static

3

7fb4c60f36...00.exe

windows7-x64

10

7fb4c60f36...00.exe

windows10-2004-x64

10

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General

  • Target

    7fb4c60f36781b83c44afdf6ebf15b2977da292f7aa8ff1a5f45481337078600.exe

  • Size

    324KB

  • Sample

    241123-v3xaqsymhw

  • MD5

    f297e72032a04fb5e12d6775d26e4ff8

  • SHA1

    577aa9ef2ec94020070c47adb18604d3203bff5c

  • SHA256

    7fb4c60f36781b83c44afdf6ebf15b2977da292f7aa8ff1a5f45481337078600

  • SHA512

    d47fa5a74ca15bd38474bcd9b1c07f65f134043b23c14edef107b63d22b495c0c8bec6a03d64f48aa9f900ce1abea9e01cc6a458115d3418b892c7cc0f979627

  • SSDEEP

    6144:O3yTVlzd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8ws:wwp5IFy5BcVPINRFYpfZvTmAWqeMf3uV

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

      7fb4c60f36781b83c44afdf6ebf15b2977da292f7aa8ff1a5f45481337078600.exe

    • Size

      324KB

    • MD5

      f297e72032a04fb5e12d6775d26e4ff8

    • SHA1

      577aa9ef2ec94020070c47adb18604d3203bff5c

    • SHA256

      7fb4c60f36781b83c44afdf6ebf15b2977da292f7aa8ff1a5f45481337078600

    • SHA512

      d47fa5a74ca15bd38474bcd9b1c07f65f134043b23c14edef107b63d22b495c0c8bec6a03d64f48aa9f900ce1abea9e01cc6a458115d3418b892c7cc0f979627

    • SSDEEP

      6144:O3yTVlzd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8ws:wwp5IFy5BcVPINRFYpfZvTmAWqeMf3uV

    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