Overview

overview

10

Static

static

10

7703cecf1e...c2.exe

windows7-x64

10

7703cecf1e...c2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7703cecf1ee9a8bb17750fcc28066feea9cfd39ad52a473fb163c94762a29ac2

  • Size

    240KB

  • Sample

    250306-fnygxsyyby

  • MD5

    89066bdae6841d028f256f45037bc8a0

  • SHA1

    d7fe3989e047a44c7891e90048615dd7c9a2ac0d

  • SHA256

    7703cecf1ee9a8bb17750fcc28066feea9cfd39ad52a473fb163c94762a29ac2

  • SHA512

    83af416eb0985fb110d64869d7d497a71889cbbebbed618284cab1ecfb29703c04c63e1bb67e5293813726e27173d9b14bf37e91dbf2d9c38d9be48a0237e3a6

  • SSDEEP

    6144:oHbC6n3GyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:q3GyXu1jGG1wsGeBgRTGA

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

      7703cecf1ee9a8bb17750fcc28066feea9cfd39ad52a473fb163c94762a29ac2

    • Size

      240KB

    • MD5

      89066bdae6841d028f256f45037bc8a0

    • SHA1

      d7fe3989e047a44c7891e90048615dd7c9a2ac0d

    • SHA256

      7703cecf1ee9a8bb17750fcc28066feea9cfd39ad52a473fb163c94762a29ac2

    • SHA512

      83af416eb0985fb110d64869d7d497a71889cbbebbed618284cab1ecfb29703c04c63e1bb67e5293813726e27173d9b14bf37e91dbf2d9c38d9be48a0237e3a6

    • SSDEEP

      6144:oHbC6n3GyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:q3GyXu1jGG1wsGeBgRTGA

    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