Overview

overview

10

Static

static

10

2554ecfb9d...eN.exe

windows7-x64

10

2554ecfb9d...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2554ecfb9d5e0d678d8a62e6ffab796b53dbc08737544faa7ccec290dde7958eN

  • Size

    276KB

  • Sample

    241004-xkna8avema

  • MD5

    bf3cb1a47b000ca35e383176f682a500

  • SHA1

    9ebfa5472bfeee9eeb976f2b796669196859afda

  • SHA256

    2554ecfb9d5e0d678d8a62e6ffab796b53dbc08737544faa7ccec290dde7958e

  • SHA512

    b6833586deacb896de3f82ded07c6382d8547a6e9f0f60fcfee25ab5887ad3ceb2e24fc58bc56e4164b7c6b885fe20efec6e12dec9033ec2fc047f9bf481f91d

  • SSDEEP

    6144:OpM0cvRy4S7edWZHEFJ7aWN1rtMsQBOSGaF+:GM50492HEGWN1RMs1S7

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

      2554ecfb9d5e0d678d8a62e6ffab796b53dbc08737544faa7ccec290dde7958eN

    • Size

      276KB

    • MD5

      bf3cb1a47b000ca35e383176f682a500

    • SHA1

      9ebfa5472bfeee9eeb976f2b796669196859afda

    • SHA256

      2554ecfb9d5e0d678d8a62e6ffab796b53dbc08737544faa7ccec290dde7958e

    • SHA512

      b6833586deacb896de3f82ded07c6382d8547a6e9f0f60fcfee25ab5887ad3ceb2e24fc58bc56e4164b7c6b885fe20efec6e12dec9033ec2fc047f9bf481f91d

    • SSDEEP

      6144:OpM0cvRy4S7edWZHEFJ7aWN1rtMsQBOSGaF+:GM50492HEGWN1RMs1S7

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks