Overview

overview

10

Static

static

3

274b0bfcd3...5N.exe

windows7-x64

10

274b0bfcd3...5N.exe

windows10-2004-x64

10

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General

  • Target

    274b0bfcd30fb52f3f317e266f04b054000bba8c7958aa1265b55c455c522275N.exe

  • Size

    470KB

  • Sample

    241207-z8ckqszlcm

  • MD5

    9e3606dbbcc38723def70e43ccbd2ca0

  • SHA1

    e1777f2b80d5be00802af986dcb4ffe65b43ef9d

  • SHA256

    274b0bfcd30fb52f3f317e266f04b054000bba8c7958aa1265b55c455c522275

  • SHA512

    15587e3c09f649393d576d553f42c103bda1fb6edf8bb50d2fb6c12363b88069572c341b4adb5bb26fe9c5a8444ad9fddb343117e32388aa4813c995240b4205

  • SSDEEP

    12288:fl/Qc8QVj94nLiFzN3b7CUq1u2ztB1XQKTQInqyS6Rm6TIJ3l7DurTG9c8QVj94J:94K

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

      274b0bfcd30fb52f3f317e266f04b054000bba8c7958aa1265b55c455c522275N.exe

    • Size

      470KB

    • MD5

      9e3606dbbcc38723def70e43ccbd2ca0

    • SHA1

      e1777f2b80d5be00802af986dcb4ffe65b43ef9d

    • SHA256

      274b0bfcd30fb52f3f317e266f04b054000bba8c7958aa1265b55c455c522275

    • SHA512

      15587e3c09f649393d576d553f42c103bda1fb6edf8bb50d2fb6c12363b88069572c341b4adb5bb26fe9c5a8444ad9fddb343117e32388aa4813c995240b4205

    • SSDEEP

      12288:fl/Qc8QVj94nLiFzN3b7CUq1u2ztB1XQKTQInqyS6Rm6TIJ3l7DurTG9c8QVj94J:94K

    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