Overview

overview

10

Static

static

3

cf91701e30...0N.exe

windows7-x64

10

cf91701e30...0N.exe

windows10-2004-x64

10

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General

  • Target

    cf91701e3049aa5036ad593ab5f58a93dbfa7593780070db1601b09ab2f51cd0N

  • Size

    192KB

  • Sample

    240930-syf2vasfll

  • MD5

    a4396593133bfa00f6964b7f3a354f10

  • SHA1

    12e9304de15ad8b549a98b33f542846071cc3114

  • SHA256

    cf91701e3049aa5036ad593ab5f58a93dbfa7593780070db1601b09ab2f51cd0

  • SHA512

    f39beb3f632013d682bfb141fb134db3eb35874c4040702b3d3f139d1a1d6714622704329c9f7e9a72022c18ed3788fd2fba4082af8d16f72345e2a02fa410d3

  • SSDEEP

    3072:PHKLoIk4hfE0EMf1snBCSUioutkTy27zU:P53OseTtioSkTl7zU

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

      cf91701e3049aa5036ad593ab5f58a93dbfa7593780070db1601b09ab2f51cd0N

    • Size

      192KB

    • MD5

      a4396593133bfa00f6964b7f3a354f10

    • SHA1

      12e9304de15ad8b549a98b33f542846071cc3114

    • SHA256

      cf91701e3049aa5036ad593ab5f58a93dbfa7593780070db1601b09ab2f51cd0

    • SHA512

      f39beb3f632013d682bfb141fb134db3eb35874c4040702b3d3f139d1a1d6714622704329c9f7e9a72022c18ed3788fd2fba4082af8d16f72345e2a02fa410d3

    • SSDEEP

      3072:PHKLoIk4hfE0EMf1snBCSUioutkTy27zU:P53OseTtioSkTl7zU

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks