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Overview

overview

10

Static

static

3

b99249f1ee...79.exe

windows7-x64

10

b99249f1ee...79.exe

windows10-2004-x64

10

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General

  • Target

    b99249f1ee20f0baa74ddece7e8db0f54c40dfb2825dc848980593716f826b79

  • Size

    74KB

  • Sample

    241010-bbyjyayckj

  • MD5

    539abfc9eb1fcf9ec3b9164321f1f65d

  • SHA1

    c00771de0d618ccb8182310c2c6567422b729b79

  • SHA256

    b99249f1ee20f0baa74ddece7e8db0f54c40dfb2825dc848980593716f826b79

  • SHA512

    ec85a2a49c689c9d2217066e3a6e0f11cecd73404c6805665570ed42dc7f4809a451e399effea5fac661def440a6368cabff4a640d531da5eabddcacb63d978b

  • SSDEEP

    1536:+RHqBWrnqOaC7HjS8YEUTG9IOJEx4+KhSeh7oR1MOcefLffTTT4W7t9x:+RHhXaCjjS8z8G9I/KhS6761M0fLffT5

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

      b99249f1ee20f0baa74ddece7e8db0f54c40dfb2825dc848980593716f826b79

    • Size

      74KB

    • MD5

      539abfc9eb1fcf9ec3b9164321f1f65d

    • SHA1

      c00771de0d618ccb8182310c2c6567422b729b79

    • SHA256

      b99249f1ee20f0baa74ddece7e8db0f54c40dfb2825dc848980593716f826b79

    • SHA512

      ec85a2a49c689c9d2217066e3a6e0f11cecd73404c6805665570ed42dc7f4809a451e399effea5fac661def440a6368cabff4a640d531da5eabddcacb63d978b

    • SSDEEP

      1536:+RHqBWrnqOaC7HjS8YEUTG9IOJEx4+KhSeh7oR1MOcefLffTTT4W7t9x:+RHhXaCjjS8z8G9I/KhS6761M0fLffT5

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks