Overview

overview

10

Static

static

10

2f87671822...e6.exe

windows7-x64

10

2f87671822...e6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2f87671822a12476d4fc3504087905ed6d4f6366d49cdde6e2e6f3b4c504eee6

  • Size

    240KB

  • Sample

    250307-avmfcazzev

  • MD5

    8845057b8a5e8d580fcd8bd0ddf41c9d

  • SHA1

    9612d91c530a9bed37d063e462569e6e5cbb114f

  • SHA256

    2f87671822a12476d4fc3504087905ed6d4f6366d49cdde6e2e6f3b4c504eee6

  • SHA512

    1e1c92b73105283877317dc6b2ea51ad7a5a18194dbedcfdb0e089afd15c2999ce2b383183d159219e903a606f37e8a2935fdf960f837cd1f90a6a294eb66a56

  • SSDEEP

    6144:HFguMkdXqGM1MCRuiGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:H3MkdXMxZGyXu1jGG1wsGeBgRTGA

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

      2f87671822a12476d4fc3504087905ed6d4f6366d49cdde6e2e6f3b4c504eee6

    • Size

      240KB

    • MD5

      8845057b8a5e8d580fcd8bd0ddf41c9d

    • SHA1

      9612d91c530a9bed37d063e462569e6e5cbb114f

    • SHA256

      2f87671822a12476d4fc3504087905ed6d4f6366d49cdde6e2e6f3b4c504eee6

    • SHA512

      1e1c92b73105283877317dc6b2ea51ad7a5a18194dbedcfdb0e089afd15c2999ce2b383183d159219e903a606f37e8a2935fdf960f837cd1f90a6a294eb66a56

    • SSDEEP

      6144:HFguMkdXqGM1MCRuiGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:H3MkdXMxZGyXu1jGG1wsGeBgRTGA

    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