Overview

overview

10

Static

static

3

6421ac032b...4N.exe

windows7-x64

10

6421ac032b...4N.exe

windows10-2004-x64

10

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General

  • Target

    6421ac032b81abdc66098480e86cf231f7fdc3fa977a864602e3f3bdf5563f34N.exe

  • Size

    74KB

  • Sample

    241207-zw8gmstlex

  • MD5

    d616d69498aee21f391b7566506e2160

  • SHA1

    c5de45066c4ceb5fe10c44b2775c7055b51b8b4c

  • SHA256

    6421ac032b81abdc66098480e86cf231f7fdc3fa977a864602e3f3bdf5563f34

  • SHA512

    64a9f34d1ac31848809525bf5227b5f2e8449f5131b06850b8cd73620ffa2eaec2041e9a11f5ad17571226c73a227508154d653e0bde1e9ddd2f0c223d066f5b

  • SSDEEP

    1536:jOPqgI0WMS+3P1LHhJzRv5UC+miK/KIhYhb9hJfFGyRcOKWg:jUqgmeP1jDUCliK/1hYhbvyyRcOKWg

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

      6421ac032b81abdc66098480e86cf231f7fdc3fa977a864602e3f3bdf5563f34N.exe

    • Size

      74KB

    • MD5

      d616d69498aee21f391b7566506e2160

    • SHA1

      c5de45066c4ceb5fe10c44b2775c7055b51b8b4c

    • SHA256

      6421ac032b81abdc66098480e86cf231f7fdc3fa977a864602e3f3bdf5563f34

    • SHA512

      64a9f34d1ac31848809525bf5227b5f2e8449f5131b06850b8cd73620ffa2eaec2041e9a11f5ad17571226c73a227508154d653e0bde1e9ddd2f0c223d066f5b

    • SSDEEP

      1536:jOPqgI0WMS+3P1LHhJzRv5UC+miK/KIhYhb9hJfFGyRcOKWg:jUqgmeP1jDUCliK/1hYhbvyyRcOKWg

    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