Overview

overview

10

Static

static

3

2740254aff...0N.exe

windows7-x64

10

2740254aff...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2740254aff5cbfab3ea1792830262027d738cbca83ec289dbd61f68af100d550N.exe

  • Size

    397KB

  • Sample

    241225-vafsaayngt

  • MD5

    6741f62be35aca04ff9a1c32a70938b0

  • SHA1

    117afcf4caa2ea65121532ab758bfac63f8ff590

  • SHA256

    2740254aff5cbfab3ea1792830262027d738cbca83ec289dbd61f68af100d550

  • SHA512

    81b78eb77252f8c468bf4711128dc3eb1a918565eb3eac55a6020ea54b36cd2eef02c0246b3e273b2292f3c390d79e673f42e205381da7c32f5511b15d1cf25b

  • SSDEEP

    6144:CuZoOX83GyFM6234lKm3mo8Yvi4KsLTFM6234lKm3pT11Tgkz1581hWr:CuZo33pFB24lwR45FB24lzx1skz15Lr

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      2740254aff5cbfab3ea1792830262027d738cbca83ec289dbd61f68af100d550N.exe

    • Size

      397KB

    • MD5

      6741f62be35aca04ff9a1c32a70938b0

    • SHA1

      117afcf4caa2ea65121532ab758bfac63f8ff590

    • SHA256

      2740254aff5cbfab3ea1792830262027d738cbca83ec289dbd61f68af100d550

    • SHA512

      81b78eb77252f8c468bf4711128dc3eb1a918565eb3eac55a6020ea54b36cd2eef02c0246b3e273b2292f3c390d79e673f42e205381da7c32f5511b15d1cf25b

    • SSDEEP

      6144:CuZoOX83GyFM6234lKm3mo8Yvi4KsLTFM6234lKm3pT11Tgkz1581hWr:CuZo33pFB24lwR45FB24lzx1skz15Lr

    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