Overview

overview

10

Static

static

3

b81b502298...3N.exe

windows7-x64

10

b81b502298...3N.exe

windows10-2004-x64

10

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General

  • Target

    b81b502298c7beefe6bec6d62abe0eb0ce56a326f4fac23f8aefd96609f23943N.exe

  • Size

    92KB

  • Sample

    241222-j8snys1mbn

  • MD5

    bd5ba3c275f76d4ade58fed183294970

  • SHA1

    d2f187472d543a3377a7b16f6380f78f41f7d511

  • SHA256

    b81b502298c7beefe6bec6d62abe0eb0ce56a326f4fac23f8aefd96609f23943

  • SHA512

    7f2eff48fb6924f2d61f0519c33b61c51b44d74226f1d305b294c93c5a34e0535108b013048967aad59dab765b2f7b32c09fdb5f7508f1112d097c8c817c2bbe

  • SSDEEP

    1536:sKJ8jEMDxXHg7SeD/S9ySOB3NLlAhyfLTZmD9N3imnunGP+m:Pq9Av29fO75OaoD9Vbe4+m

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

      b81b502298c7beefe6bec6d62abe0eb0ce56a326f4fac23f8aefd96609f23943N.exe

    • Size

      92KB

    • MD5

      bd5ba3c275f76d4ade58fed183294970

    • SHA1

      d2f187472d543a3377a7b16f6380f78f41f7d511

    • SHA256

      b81b502298c7beefe6bec6d62abe0eb0ce56a326f4fac23f8aefd96609f23943

    • SHA512

      7f2eff48fb6924f2d61f0519c33b61c51b44d74226f1d305b294c93c5a34e0535108b013048967aad59dab765b2f7b32c09fdb5f7508f1112d097c8c817c2bbe

    • SSDEEP

      1536:sKJ8jEMDxXHg7SeD/S9ySOB3NLlAhyfLTZmD9N3imnunGP+m:Pq9Av29fO75OaoD9Vbe4+m

    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