Overview

overview

10

Static

static

3

a8f423ae21...4N.exe

windows7-x64

10

a8f423ae21...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a8f423ae2191874d5a630b47d81a1aafdc6deb29bb865a1c4189638c90f42c74N.exe

  • Size

    207KB

  • Sample

    241207-mbsjgaxrf1

  • MD5

    f7b25bfe794e69a70d8836fb2b3091c0

  • SHA1

    e26b27fa6f86e02cf944549952aad37370c9b924

  • SHA256

    a8f423ae2191874d5a630b47d81a1aafdc6deb29bb865a1c4189638c90f42c74

  • SHA512

    de3d5d6336c5df1308ea0eb64a1d57706e9e420c36ee9a10268307aed67cb76b29db18f51b96f0b9db8d18922b94b30a990fbdf2e60c830ab90d2eb66246d7c8

  • SSDEEP

    6144:N2Mbfew1hiqGJ1xvVjj+VPj92d62ASOwj:N2MbmwzGJ1ZpIPj92aSOc

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

      a8f423ae2191874d5a630b47d81a1aafdc6deb29bb865a1c4189638c90f42c74N.exe

    • Size

      207KB

    • MD5

      f7b25bfe794e69a70d8836fb2b3091c0

    • SHA1

      e26b27fa6f86e02cf944549952aad37370c9b924

    • SHA256

      a8f423ae2191874d5a630b47d81a1aafdc6deb29bb865a1c4189638c90f42c74

    • SHA512

      de3d5d6336c5df1308ea0eb64a1d57706e9e420c36ee9a10268307aed67cb76b29db18f51b96f0b9db8d18922b94b30a990fbdf2e60c830ab90d2eb66246d7c8

    • SSDEEP

      6144:N2Mbfew1hiqGJ1xvVjj+VPj92d62ASOwj:N2MbmwzGJ1ZpIPj92aSOc

    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