Overview

overview

10

Static

static

3

521c23ba2e...e7.exe

windows7-x64

10

521c23ba2e...e7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    521c23ba2ed73b269d6d0794d3c2369d09e300cc0e6201cd1e64cace225abfe7.exe

  • Size

    74KB

  • Sample

    241222-tkv5aatkgl

  • MD5

    5f838e66cf089b28ca6e6520ba6828e5

  • SHA1

    474237eaa2832399c0cf058106f029b28280463d

  • SHA256

    521c23ba2ed73b269d6d0794d3c2369d09e300cc0e6201cd1e64cace225abfe7

  • SHA512

    0244368382a9f98072c53b8ffdd05781fdc1022f51a10063e59688661ee51ac9f8b721ddb6bcec493d63db660e1925b689b9b9048d91f4961e85edfad4a4dfcb

  • SSDEEP

    1536:roPlGEXa6TDTOQiLcWxGeumq1i0WBOB2GDFPjGkxEm55k:09DXa6T+Qiz89mq1i00G9jGkH/k

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

      521c23ba2ed73b269d6d0794d3c2369d09e300cc0e6201cd1e64cace225abfe7.exe

    • Size

      74KB

    • MD5

      5f838e66cf089b28ca6e6520ba6828e5

    • SHA1

      474237eaa2832399c0cf058106f029b28280463d

    • SHA256

      521c23ba2ed73b269d6d0794d3c2369d09e300cc0e6201cd1e64cace225abfe7

    • SHA512

      0244368382a9f98072c53b8ffdd05781fdc1022f51a10063e59688661ee51ac9f8b721ddb6bcec493d63db660e1925b689b9b9048d91f4961e85edfad4a4dfcb

    • SSDEEP

      1536:roPlGEXa6TDTOQiLcWxGeumq1i0WBOB2GDFPjGkxEm55k:09DXa6T+Qiz89mq1i00G9jGkH/k

    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