Overview

overview

10

Static

static

3

4e3773496e...56.exe

windows7-x64

10

4e3773496e...56.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e3773496e40d239a38935506b8417f4ef1a3c183a67ec65d08d15ea33465e56

  • Size

    96KB

  • Sample

    250306-bmqy8styez

  • MD5

    adfb38fef5ec9ecb79bded5dbcab3006

  • SHA1

    1572c17a9f89132c699830e43caaa9bb8f19a0ce

  • SHA256

    4e3773496e40d239a38935506b8417f4ef1a3c183a67ec65d08d15ea33465e56

  • SHA512

    0576873987168ff7cb864ed8a5e890971adcd0bd12e3fba7c7f14ca4a27f89ff474c9ef70264081b77c5e0d79f6702eba707d19ca002c3e614bc8ef34c48c8aa

  • SSDEEP

    1536:/Sz5IuPGftOUU7HRhSIdl5fOofG0PN904IVve6lRd0FFfUN1Avhw6JCMd:/yueh7hL/zL04IM4RKFFfUrQlMW

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

      4e3773496e40d239a38935506b8417f4ef1a3c183a67ec65d08d15ea33465e56

    • Size

      96KB

    • MD5

      adfb38fef5ec9ecb79bded5dbcab3006

    • SHA1

      1572c17a9f89132c699830e43caaa9bb8f19a0ce

    • SHA256

      4e3773496e40d239a38935506b8417f4ef1a3c183a67ec65d08d15ea33465e56

    • SHA512

      0576873987168ff7cb864ed8a5e890971adcd0bd12e3fba7c7f14ca4a27f89ff474c9ef70264081b77c5e0d79f6702eba707d19ca002c3e614bc8ef34c48c8aa

    • SSDEEP

      1536:/Sz5IuPGftOUU7HRhSIdl5fOofG0PN904IVve6lRd0FFfUN1Avhw6JCMd:/yueh7hL/zL04IM4RKFFfUrQlMW

    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