Overview

overview

10

Static

static

3

4e26820f48...64.exe

windows7-x64

10

4e26820f48...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e26820f480f5d48d5f7ba92d1cba6df94fbeae2213efbf613d4de199af9fd64

  • Size

    169KB

  • Sample

    250307-h4fcdswtaz

  • MD5

    03edafd209b00252cd60c73a09c8301e

  • SHA1

    a35254d06fb82bae4f8630be89ef410b63123943

  • SHA256

    4e26820f480f5d48d5f7ba92d1cba6df94fbeae2213efbf613d4de199af9fd64

  • SHA512

    725a7cb7f509ec7fceff8d984ea5db3e3ef303025b5f234bfa11005669b88ddaf4e496cd68da538b8fcefaf742a2b735a3b6bc0e0c0dbfca256f1821f6aa8501

  • SSDEEP

    3072:KAHvW9xth2HHec9lLRZcRm+eLx/PxMeEvPOdgujv6NLPfFFrKP92f65Ha:K0WVmZcRWl/JML3OdgawrFZKPf9

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

      4e26820f480f5d48d5f7ba92d1cba6df94fbeae2213efbf613d4de199af9fd64

    • Size

      169KB

    • MD5

      03edafd209b00252cd60c73a09c8301e

    • SHA1

      a35254d06fb82bae4f8630be89ef410b63123943

    • SHA256

      4e26820f480f5d48d5f7ba92d1cba6df94fbeae2213efbf613d4de199af9fd64

    • SHA512

      725a7cb7f509ec7fceff8d984ea5db3e3ef303025b5f234bfa11005669b88ddaf4e496cd68da538b8fcefaf742a2b735a3b6bc0e0c0dbfca256f1821f6aa8501

    • SSDEEP

      3072:KAHvW9xth2HHec9lLRZcRm+eLx/PxMeEvPOdgujv6NLPfFFrKP92f65Ha:K0WVmZcRWl/JML3OdgawrFZKPf9

    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