Overview

overview

10

Static

static

10

9736836a99...b0.exe

windows7-x64

10

9736836a99...b0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9736836a99f94a179ea4f52d97f80c886e55f99ba8908fcee9f7f1de800178b0

  • Size

    305KB

  • Sample

    241225-a5hj5sslgx

  • MD5

    c4eafa1044aa221195e2383189e26375

  • SHA1

    85ea8e14acc89fb1829593a22be15a8807ab6f7a

  • SHA256

    9736836a99f94a179ea4f52d97f80c886e55f99ba8908fcee9f7f1de800178b0

  • SHA512

    5a65f16893105bf5e4dc156d58f84918bb0075031084a4abdb9048c4a4e878b200a5c8220581863c9b91733e8285aec3893c64e14cb0bbabe52e6c6f676859ed

  • SSDEEP

    3072:7PcJQZ2c8+KYsEXNjShi9J+lc802eS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCM:7H2wXdSh2glc85dZMGXF5ahdt3b0668

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

      9736836a99f94a179ea4f52d97f80c886e55f99ba8908fcee9f7f1de800178b0

    • Size

      305KB

    • MD5

      c4eafa1044aa221195e2383189e26375

    • SHA1

      85ea8e14acc89fb1829593a22be15a8807ab6f7a

    • SHA256

      9736836a99f94a179ea4f52d97f80c886e55f99ba8908fcee9f7f1de800178b0

    • SHA512

      5a65f16893105bf5e4dc156d58f84918bb0075031084a4abdb9048c4a4e878b200a5c8220581863c9b91733e8285aec3893c64e14cb0bbabe52e6c6f676859ed

    • SSDEEP

      3072:7PcJQZ2c8+KYsEXNjShi9J+lc802eS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCM:7H2wXdSh2glc85dZMGXF5ahdt3b0668

    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