Overview

overview

10

Static

static

3

4a1183a7d0...73.exe

windows7-x64

10

4a1183a7d0...73.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4a1183a7d0a20ef0d8efe81cc961639446146da3533cca2c41de65df97f1af73

  • Size

    74KB

  • Sample

    241209-1amhqaxjbp

  • MD5

    e970b924425f156e1ea008dbd3e3ca8b

  • SHA1

    2dee3a5c50c659ddcac278f96ecfb5a3676f4ed7

  • SHA256

    4a1183a7d0a20ef0d8efe81cc961639446146da3533cca2c41de65df97f1af73

  • SHA512

    ba4fdd2620b7f08c8b3d5b1e5e53d02b688b41822faa4a462d0f9b4d78318fbc12a68689093868413d4a9a4f55495cb05bef60b88a9282cba75816ad4041be9b

  • SSDEEP

    1536:MS5TGVKT8cEdoKH+kvJgmpyzOfUmTV8urqPwFGFk7xJlTH2EjG5c:N5B8cEdd+kvJjk6fUmTWuWPPFk7xJy5c

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

      4a1183a7d0a20ef0d8efe81cc961639446146da3533cca2c41de65df97f1af73

    • Size

      74KB

    • MD5

      e970b924425f156e1ea008dbd3e3ca8b

    • SHA1

      2dee3a5c50c659ddcac278f96ecfb5a3676f4ed7

    • SHA256

      4a1183a7d0a20ef0d8efe81cc961639446146da3533cca2c41de65df97f1af73

    • SHA512

      ba4fdd2620b7f08c8b3d5b1e5e53d02b688b41822faa4a462d0f9b4d78318fbc12a68689093868413d4a9a4f55495cb05bef60b88a9282cba75816ad4041be9b

    • SSDEEP

      1536:MS5TGVKT8cEdoKH+kvJgmpyzOfUmTV8urqPwFGFk7xJlTH2EjG5c:N5B8cEdd+kvJjk6fUmTWuWPPFk7xJy5c

    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