Overview

overview

10

Static

static

3

35f8137b52...b8.exe

windows7-x64

10

35f8137b52...b8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    35f8137b5276dfbb58515612e0fd8f5d5ab50f7f97543fd0343e9fff141b51b8

  • Size

    74KB

  • Sample

    241222-z686xsyrgy

  • MD5

    e9b8781099a01c3502f3f6a18a948042

  • SHA1

    cb462f379b058142ea15940e2521709bf60f36a2

  • SHA256

    35f8137b5276dfbb58515612e0fd8f5d5ab50f7f97543fd0343e9fff141b51b8

  • SHA512

    34c9c25911e3074a0be8582c6815a5afe9eb9d9b6aadba871389388f24cace983cece514931bbc055999d3cb88e5e0b4752ab1a5ea9d39d22d3332c71098b196

  • SSDEEP

    1536:gu95JJmpNUe77b2vDS4snS3N6GK0S4tfiRYlME:gKf9evyDSnGlS6xaE

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

      35f8137b5276dfbb58515612e0fd8f5d5ab50f7f97543fd0343e9fff141b51b8

    • Size

      74KB

    • MD5

      e9b8781099a01c3502f3f6a18a948042

    • SHA1

      cb462f379b058142ea15940e2521709bf60f36a2

    • SHA256

      35f8137b5276dfbb58515612e0fd8f5d5ab50f7f97543fd0343e9fff141b51b8

    • SHA512

      34c9c25911e3074a0be8582c6815a5afe9eb9d9b6aadba871389388f24cace983cece514931bbc055999d3cb88e5e0b4752ab1a5ea9d39d22d3332c71098b196

    • SSDEEP

      1536:gu95JJmpNUe77b2vDS4snS3N6GK0S4tfiRYlME:gKf9evyDSnGlS6xaE

    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