Overview

overview

10

Static

static

3

81f829383b...5N.exe

windows7-x64

10

81f829383b...5N.exe

windows10-2004-x64

10

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General

  • Target

    81f829383b2d3aa642e8e7d727fb87c0ab254f5ce3c790d4b4bcc46451340085N.exe

  • Size

    194KB

  • Sample

    241207-xedvlayjhv

  • MD5

    f7a4e786fa145ea4c546b368231861f0

  • SHA1

    d15de0fd3ca06368cc27f35b7f07e38f7e3bca99

  • SHA256

    81f829383b2d3aa642e8e7d727fb87c0ab254f5ce3c790d4b4bcc46451340085

  • SHA512

    d26f6f880934e7307dee643a00d6f865b0de39ddcee8c8dbbc7db6f9fa0fcd419f285ff169fe5b1459da4c65ddd23846d399f362c8a28a3721f7ecb3305cbcf5

  • SSDEEP

    3072:hp11q/JJ92s6heHV6s5aOe7gu+tAcrbFAJc+RsUi1aVDkOvhJjvJ+uFli55p1:Han2s/b5YKrtMsQBvli

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      81f829383b2d3aa642e8e7d727fb87c0ab254f5ce3c790d4b4bcc46451340085N.exe

    • Size

      194KB

    • MD5

      f7a4e786fa145ea4c546b368231861f0

    • SHA1

      d15de0fd3ca06368cc27f35b7f07e38f7e3bca99

    • SHA256

      81f829383b2d3aa642e8e7d727fb87c0ab254f5ce3c790d4b4bcc46451340085

    • SHA512

      d26f6f880934e7307dee643a00d6f865b0de39ddcee8c8dbbc7db6f9fa0fcd419f285ff169fe5b1459da4c65ddd23846d399f362c8a28a3721f7ecb3305cbcf5

    • SSDEEP

      3072:hp11q/JJ92s6heHV6s5aOe7gu+tAcrbFAJc+RsUi1aVDkOvhJjvJ+uFli55p1:Han2s/b5YKrtMsQBvli

    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