Overview

overview

10

Static

static

3

5520ca1d04...cb.exe

windows7-x64

10

5520ca1d04...cb.exe

windows10-2004-x64

10

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General

  • Target

    5520ca1d04a98bc2ba04963f5f2fa83886cc27aa771d2eb94a0561266f32cfcb

  • Size

    97KB

  • Sample

    241209-1mjycsxnan

  • MD5

    c6ae7102c3d590c6403e210030b10877

  • SHA1

    cb01ac1f1fcb7bac0df6ccf2af995456d0840d1b

  • SHA256

    5520ca1d04a98bc2ba04963f5f2fa83886cc27aa771d2eb94a0561266f32cfcb

  • SHA512

    9c914641fb151c1f8ff22a740bcfaea608a66dc75db0407fdfd3ce26ad1af0d6ef9bdf84f83866bd91aff0198e32336ca2bc904033414ec6e3842366be834b05

  • SSDEEP

    1536:P0M4mobSL4a86npxJzlGaRGhe2HfJfg9Ea1q2rMAOvJXeYZK:mkZxJ4aRqh49EDbAmJXeKK

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

      5520ca1d04a98bc2ba04963f5f2fa83886cc27aa771d2eb94a0561266f32cfcb

    • Size

      97KB

    • MD5

      c6ae7102c3d590c6403e210030b10877

    • SHA1

      cb01ac1f1fcb7bac0df6ccf2af995456d0840d1b

    • SHA256

      5520ca1d04a98bc2ba04963f5f2fa83886cc27aa771d2eb94a0561266f32cfcb

    • SHA512

      9c914641fb151c1f8ff22a740bcfaea608a66dc75db0407fdfd3ce26ad1af0d6ef9bdf84f83866bd91aff0198e32336ca2bc904033414ec6e3842366be834b05

    • SSDEEP

      1536:P0M4mobSL4a86npxJzlGaRGhe2HfJfg9Ea1q2rMAOvJXeYZK:mkZxJ4aRqh49EDbAmJXeKK

    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