Overview

overview

10

Static

static

3

239a7b012c...ca.exe

windows7-x64

10

239a7b012c...ca.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    239a7b012ce4e85004e1a76991d373c739ebba030ca58e8a9efe0e00c4da89ca

  • Size

    73KB

  • Sample

    250305-1pk87szvgz

  • MD5

    79b70ee1783affa9e84cf8c7cd7fb84f

  • SHA1

    99ca8ac1672d5581da4baab623ca70f867391269

  • SHA256

    239a7b012ce4e85004e1a76991d373c739ebba030ca58e8a9efe0e00c4da89ca

  • SHA512

    b603bf2d5863cabaeebffc04861cbd75fc809dcaaf4da67075291924d98e8c316e33556411781d674ea19baa5afa7a8724b3c2c8095915e279b6d9f6883e3218

  • SSDEEP

    1536:ommQsWDTdLt4sxLhKWw12YW4O4ZJ+fCscOZ60zQfIAR+qX0THIPRUSzu:yWDRSs5hKDAYW4ZJ+fCBOZ60zKIARNXk

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

      239a7b012ce4e85004e1a76991d373c739ebba030ca58e8a9efe0e00c4da89ca

    • Size

      73KB

    • MD5

      79b70ee1783affa9e84cf8c7cd7fb84f

    • SHA1

      99ca8ac1672d5581da4baab623ca70f867391269

    • SHA256

      239a7b012ce4e85004e1a76991d373c739ebba030ca58e8a9efe0e00c4da89ca

    • SHA512

      b603bf2d5863cabaeebffc04861cbd75fc809dcaaf4da67075291924d98e8c316e33556411781d674ea19baa5afa7a8724b3c2c8095915e279b6d9f6883e3218

    • SSDEEP

      1536:ommQsWDTdLt4sxLhKWw12YW4O4ZJ+fCscOZ60zQfIAR+qX0THIPRUSzu:yWDRSs5hKDAYW4ZJ+fCBOZ60zKIARNXk

    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