Overview

overview

10

Static

static

3

797b6184bf...21.exe

windows7-x64

10

797b6184bf...21.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    797b6184bf7b70ea9eaf9309a361ef3f093bea661a26344b0c23d532254c8521.exe

  • Size

    324KB

  • Sample

    241120-cr3dhayard

  • MD5

    d450ecc376f0d686076b50926ea3aed3

  • SHA1

    8133838cfdcd1b30f3670aefd88628e5bc4c10f6

  • SHA256

    797b6184bf7b70ea9eaf9309a361ef3f093bea661a26344b0c23d532254c8521

  • SHA512

    7e74aeacb87489f4aeb50ac3bd2b75d80081cddab8c09aba2a540115bbc5040f5279acc4474989781774bf33a73b670cae617c76a8dea15385f06bbc27775a2d

  • SSDEEP

    6144:IBj2w0nuQayNb+zd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8wU:IBKw0PayNqp5IFy5BcVPINRFYpfZvTmd

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

      797b6184bf7b70ea9eaf9309a361ef3f093bea661a26344b0c23d532254c8521.exe

    • Size

      324KB

    • MD5

      d450ecc376f0d686076b50926ea3aed3

    • SHA1

      8133838cfdcd1b30f3670aefd88628e5bc4c10f6

    • SHA256

      797b6184bf7b70ea9eaf9309a361ef3f093bea661a26344b0c23d532254c8521

    • SHA512

      7e74aeacb87489f4aeb50ac3bd2b75d80081cddab8c09aba2a540115bbc5040f5279acc4474989781774bf33a73b670cae617c76a8dea15385f06bbc27775a2d

    • SSDEEP

      6144:IBj2w0nuQayNb+zd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8wU:IBKw0PayNqp5IFy5BcVPINRFYpfZvTmd

    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