Overview

overview

10

Static

static

3

4f785ef1a8...eN.exe

windows7-x64

10

4f785ef1a8...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f785ef1a8e87d30992971bddb90476b4fdd8cdc5b68cc392f07c355d8c1043eN.exe

  • Size

    320KB

  • Sample

    241208-d7jrrs1jew

  • MD5

    9adcd52acf41d6b19ffeba4c935dfc30

  • SHA1

    80b2a1aa388ac7f9fc41526681b63c177bfa0f94

  • SHA256

    4f785ef1a8e87d30992971bddb90476b4fdd8cdc5b68cc392f07c355d8c1043e

  • SHA512

    6d383d0ed67ac430479f32d2e44df59af9f56ec02235f243e7293d2330c1d86a0e01bea3b39f5bfd94c48137a4b2832ba23ced395f578bd5845a0ab48c21f067

  • SSDEEP

    6144:/AZj6nQ4DikkEGyZ6YugQdjGG1wsKm06D4:/gwDikRGyXu1jGG1ws54

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

      4f785ef1a8e87d30992971bddb90476b4fdd8cdc5b68cc392f07c355d8c1043eN.exe

    • Size

      320KB

    • MD5

      9adcd52acf41d6b19ffeba4c935dfc30

    • SHA1

      80b2a1aa388ac7f9fc41526681b63c177bfa0f94

    • SHA256

      4f785ef1a8e87d30992971bddb90476b4fdd8cdc5b68cc392f07c355d8c1043e

    • SHA512

      6d383d0ed67ac430479f32d2e44df59af9f56ec02235f243e7293d2330c1d86a0e01bea3b39f5bfd94c48137a4b2832ba23ced395f578bd5845a0ab48c21f067

    • SSDEEP

      6144:/AZj6nQ4DikkEGyZ6YugQdjGG1wsKm06D4:/gwDikRGyXu1jGG1ws54

    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