Overview

overview

10

Static

static

10

b2c2b34dfc...0N.exe

windows7-x64

10

b2c2b34dfc...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2c2b34dfc5c689eba3cba4f47c4e6c1f3a819c68bf776e693977ab7bb6c1f30N.exe

  • Size

    136KB

  • Sample

    241208-dt2enazlgw

  • MD5

    e177011649f9c2e68f03cd043d2b8850

  • SHA1

    935bd626d0edee00e42cb56526beb81af61164e6

  • SHA256

    b2c2b34dfc5c689eba3cba4f47c4e6c1f3a819c68bf776e693977ab7bb6c1f30

  • SHA512

    953cb5b06300c66c03553005c96553cb1cf5e79ae564bdc08f2353f7ad55865810a1ae83078dfb2f71852e6150d80768b285a646e73f282be0ea55b427144b9f

  • SSDEEP

    3072:KxRO3rcmsiby8aRvOvvhjF9i/mjRrz3OT:KOINib0Iv5jF9i/GOT

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

      b2c2b34dfc5c689eba3cba4f47c4e6c1f3a819c68bf776e693977ab7bb6c1f30N.exe

    • Size

      136KB

    • MD5

      e177011649f9c2e68f03cd043d2b8850

    • SHA1

      935bd626d0edee00e42cb56526beb81af61164e6

    • SHA256

      b2c2b34dfc5c689eba3cba4f47c4e6c1f3a819c68bf776e693977ab7bb6c1f30

    • SHA512

      953cb5b06300c66c03553005c96553cb1cf5e79ae564bdc08f2353f7ad55865810a1ae83078dfb2f71852e6150d80768b285a646e73f282be0ea55b427144b9f

    • SSDEEP

      3072:KxRO3rcmsiby8aRvOvvhjF9i/mjRrz3OT:KOINib0Iv5jF9i/GOT

    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