Overview

overview

10

Static

static

3

3fa1a97bd1...aN.exe

windows7-x64

10

3fa1a97bd1...aN.exe

windows10-2004-x64

10

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General

  • Target

    3fa1a97bd1f5e5c5e034ae380431582dbffae009cb4819bbd0d6907849bf731aN.exe

  • Size

    72KB

  • Sample

    241207-ya1dgazlex

  • MD5

    b10caffac34a38ab5521493a45425440

  • SHA1

    95bc8d18d92ef4a7e61e45bf47243133813b131b

  • SHA256

    3fa1a97bd1f5e5c5e034ae380431582dbffae009cb4819bbd0d6907849bf731a

  • SHA512

    fbdc8e6195dfebbcd0d57abf44e199e1b736878e37cbcf762c0e4cfeedc580c9d686ba835c42af3dd504aadfccc6aa5da474e16ab07a4068f5e3c836c06b5bfd

  • SSDEEP

    1536:3DUNRiCrkphDElEdJ39jwdtZmTHCi3PPaLbFA1oI5b5mH:zmiCrkpRtJ39jatZmmWPPav4oe5mH

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

      3fa1a97bd1f5e5c5e034ae380431582dbffae009cb4819bbd0d6907849bf731aN.exe

    • Size

      72KB

    • MD5

      b10caffac34a38ab5521493a45425440

    • SHA1

      95bc8d18d92ef4a7e61e45bf47243133813b131b

    • SHA256

      3fa1a97bd1f5e5c5e034ae380431582dbffae009cb4819bbd0d6907849bf731a

    • SHA512

      fbdc8e6195dfebbcd0d57abf44e199e1b736878e37cbcf762c0e4cfeedc580c9d686ba835c42af3dd504aadfccc6aa5da474e16ab07a4068f5e3c836c06b5bfd

    • SSDEEP

      1536:3DUNRiCrkphDElEdJ39jwdtZmTHCi3PPaLbFA1oI5b5mH:zmiCrkpRtJ39jatZmmWPPav4oe5mH

    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