Overview

overview

10

Static

static

10

2cbd3cf021...15.exe

windows7-x64

10

2cbd3cf021...15.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2cbd3cf021f2f0e78dd501b3273c42438f4dee5c409ae533f14c429e53fac315

  • Size

    240KB

  • Sample

    250305-2el87a1qy5

  • MD5

    1a489ed09affcea6bfd969603bf5ba2a

  • SHA1

    20bb3984b9bb2cf9c7f846e11c0ef7a83a01895f

  • SHA256

    2cbd3cf021f2f0e78dd501b3273c42438f4dee5c409ae533f14c429e53fac315

  • SHA512

    2bdc05b2d1a8aaaffb327c4ae2276804210d7939f140836464732b3842f5e4e5c8895a0fb55ec0b7d00a997b8ae407f886b2d3c6a70e5d3cfaa2a6f80754f815

  • SSDEEP

    6144:1mRYJuGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEAu:1mRZGyXu1jGG1wsGeBgRTGAu

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

      2cbd3cf021f2f0e78dd501b3273c42438f4dee5c409ae533f14c429e53fac315

    • Size

      240KB

    • MD5

      1a489ed09affcea6bfd969603bf5ba2a

    • SHA1

      20bb3984b9bb2cf9c7f846e11c0ef7a83a01895f

    • SHA256

      2cbd3cf021f2f0e78dd501b3273c42438f4dee5c409ae533f14c429e53fac315

    • SHA512

      2bdc05b2d1a8aaaffb327c4ae2276804210d7939f140836464732b3842f5e4e5c8895a0fb55ec0b7d00a997b8ae407f886b2d3c6a70e5d3cfaa2a6f80754f815

    • SSDEEP

      6144:1mRYJuGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEAu:1mRZGyXu1jGG1wsGeBgRTGAu

    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