Overview

overview

10

Static

static

3

2f8f9276a5...af.exe

windows7-x64

10

2f8f9276a5...af.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2f8f9276a5276a77f3804ddf9c92a73341ef1fbc0c4863e646c33cf13b3147af

  • Size

    1020KB

  • Sample

    250305-2pte9a1wbs

  • MD5

    8c94cd76e06c1fa20e6d698f2e2021d5

  • SHA1

    c5a826a0e6f8426b379980545a10303bbefa217a

  • SHA256

    2f8f9276a5276a77f3804ddf9c92a73341ef1fbc0c4863e646c33cf13b3147af

  • SHA512

    6d43561d0c36c72c751ffa610f8a4e5b6bd8888de73b57c1a1d18a5b515b8141f38a85413879315e9ace130f69f6da4547d5e6728ccd6b7826b474c959c13360

  • SSDEEP

    24576:Rn0zq2gu5YyCtCCm0BmmvFimm0wh2kkkkK4kXkkkkkkkkhLX/:Rn0zXgu5RCtCmi7T

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

      2f8f9276a5276a77f3804ddf9c92a73341ef1fbc0c4863e646c33cf13b3147af

    • Size

      1020KB

    • MD5

      8c94cd76e06c1fa20e6d698f2e2021d5

    • SHA1

      c5a826a0e6f8426b379980545a10303bbefa217a

    • SHA256

      2f8f9276a5276a77f3804ddf9c92a73341ef1fbc0c4863e646c33cf13b3147af

    • SHA512

      6d43561d0c36c72c751ffa610f8a4e5b6bd8888de73b57c1a1d18a5b515b8141f38a85413879315e9ace130f69f6da4547d5e6728ccd6b7826b474c959c13360

    • SSDEEP

      24576:Rn0zq2gu5YyCtCCm0BmmvFimm0wh2kkkkK4kXkkkkkkkkhLX/:Rn0zXgu5RCtCmi7T

    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