Overview

overview

10

Static

static

3

b15933dc1d...85.exe

windows7-x64

10

b15933dc1d...85.exe

windows10-2004-x64

10

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General

  • Target

    b15933dc1dc7e558c5ddba6dc96d7463fc141efaef882ce5afefc83f0674f285.exe

  • Size

    74KB

  • Sample

    241120-dh344sygkd

  • MD5

    2ec582e8faf4960eda0327d77f3c8eff

  • SHA1

    79701c6a2a47760b94e9c26f077a02d9a3997e4b

  • SHA256

    b15933dc1dc7e558c5ddba6dc96d7463fc141efaef882ce5afefc83f0674f285

  • SHA512

    89c4ea04d545fa490aee3ccd06b80ea835d29c0b29b7703f1a0961bcc24912c61efecdcf9433cca99bd72da7ee1c9f14f7eda210b47c081b40d1778120c933d6

  • SSDEEP

    1536:okvs1lfP7lIN7V9n9tvUdZ6Fk5xIxeJEFcXRVl:oaqfjl6vn9t8/KkLbscX/l

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

      b15933dc1dc7e558c5ddba6dc96d7463fc141efaef882ce5afefc83f0674f285.exe

    • Size

      74KB

    • MD5

      2ec582e8faf4960eda0327d77f3c8eff

    • SHA1

      79701c6a2a47760b94e9c26f077a02d9a3997e4b

    • SHA256

      b15933dc1dc7e558c5ddba6dc96d7463fc141efaef882ce5afefc83f0674f285

    • SHA512

      89c4ea04d545fa490aee3ccd06b80ea835d29c0b29b7703f1a0961bcc24912c61efecdcf9433cca99bd72da7ee1c9f14f7eda210b47c081b40d1778120c933d6

    • SSDEEP

      1536:okvs1lfP7lIN7V9n9tvUdZ6Fk5xIxeJEFcXRVl:oaqfjl6vn9t8/KkLbscX/l

    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