Overview

overview

10

Static

static

3

a664e62d72...d9.exe

windows7-x64

10

a664e62d72...d9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a664e62d720cf3cf6ceea64bc954ef29bcf61a8ddae2b98a087ae6cc1fdee9d9

  • Size

    79KB

  • Sample

    241123-cgn35avpds

  • MD5

    ecbda6b533ff266c1642d4823af080a9

  • SHA1

    2e43fe3de44224ba1edc1f4b6fc9e97320bb60a1

  • SHA256

    a664e62d720cf3cf6ceea64bc954ef29bcf61a8ddae2b98a087ae6cc1fdee9d9

  • SHA512

    02d9fc0402ff7bbb071274daafabf0022500bbf1fa3956a78691b2619a0983641eaf497ea56c6c5f4ca779024f7fe4cbb64d7a08040c4afe4d8ab2241d805391

  • SSDEEP

    1536:CKi6v7LVs3VMdAWFH7TOS4XaWRQ8RbRUs3cO57OWxXPu4R:RNZpJWe8lj9puc

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a664e62d720cf3cf6ceea64bc954ef29bcf61a8ddae2b98a087ae6cc1fdee9d9

    • Size

      79KB

    • MD5

      ecbda6b533ff266c1642d4823af080a9

    • SHA1

      2e43fe3de44224ba1edc1f4b6fc9e97320bb60a1

    • SHA256

      a664e62d720cf3cf6ceea64bc954ef29bcf61a8ddae2b98a087ae6cc1fdee9d9

    • SHA512

      02d9fc0402ff7bbb071274daafabf0022500bbf1fa3956a78691b2619a0983641eaf497ea56c6c5f4ca779024f7fe4cbb64d7a08040c4afe4d8ab2241d805391

    • SSDEEP

      1536:CKi6v7LVs3VMdAWFH7TOS4XaWRQ8RbRUs3cO57OWxXPu4R:RNZpJWe8lj9puc

    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