Overview

overview

10

Static

static

3

fef4b2efeb...aN.exe

windows7-x64

10

fef4b2efeb...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fef4b2efeb2194b0073ee75b425a8112c5bab7b375082641a22aa690687bd97aN.exe

  • Size

    352KB

  • Sample

    241123-xe3hysxjal

  • MD5

    bcf4799df1e523e7d3cf2eb567403230

  • SHA1

    11971cae7a09ef8e3f9470422368541b935c7ad8

  • SHA256

    fef4b2efeb2194b0073ee75b425a8112c5bab7b375082641a22aa690687bd97a

  • SHA512

    ebf5e66745e343112e4a56740e5119d7fe0d355c328e580c9487ca7f31e8310457f4d290eac9ec7367d31b070f553107d55992ed6b48aef9f9be1fcfa187d7b2

  • SSDEEP

    6144:ZkdCwFwv+pui6yYPaIGckfru5xyDpui6yYPaIGckSU05836pui6yYPq:vwrpV6yYP4rbpV6yYPg058KpV6yYPq

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

      fef4b2efeb2194b0073ee75b425a8112c5bab7b375082641a22aa690687bd97aN.exe

    • Size

      352KB

    • MD5

      bcf4799df1e523e7d3cf2eb567403230

    • SHA1

      11971cae7a09ef8e3f9470422368541b935c7ad8

    • SHA256

      fef4b2efeb2194b0073ee75b425a8112c5bab7b375082641a22aa690687bd97a

    • SHA512

      ebf5e66745e343112e4a56740e5119d7fe0d355c328e580c9487ca7f31e8310457f4d290eac9ec7367d31b070f553107d55992ed6b48aef9f9be1fcfa187d7b2

    • SSDEEP

      6144:ZkdCwFwv+pui6yYPaIGckfru5xyDpui6yYPaIGckSU05836pui6yYPq:vwrpV6yYP4rbpV6yYPg058KpV6yYPq

    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