Overview

overview

10

Static

static

3

41797b4505...18.exe

windows7-x64

10

41797b4505...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    41797b45052e7e3fe2c90cf8833e0859c3872a0a8907716748b597b43fa5c418

  • Size

    608KB

  • Sample

    250306-ag3keasyfy

  • MD5

    43ecaea0537d397b081a7335cde9f724

  • SHA1

    d719de0654cb1b466782f0eaf5a6c3b294689d1a

  • SHA256

    41797b45052e7e3fe2c90cf8833e0859c3872a0a8907716748b597b43fa5c418

  • SHA512

    b409a6b5409698b9178bbae5f658580cbdc3d3eb62303f61c9fca520d47cbf3476f335206c3728dfd7b09e52fb769c09c34f01ce5a4ef734eae113b4c8d3045b

  • SSDEEP

    12288:oRVVbkY660fIaDZkY660f8jTK/XhdAwlt01t:oRbbgsaDZgQjGkwlg

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

      41797b45052e7e3fe2c90cf8833e0859c3872a0a8907716748b597b43fa5c418

    • Size

      608KB

    • MD5

      43ecaea0537d397b081a7335cde9f724

    • SHA1

      d719de0654cb1b466782f0eaf5a6c3b294689d1a

    • SHA256

      41797b45052e7e3fe2c90cf8833e0859c3872a0a8907716748b597b43fa5c418

    • SHA512

      b409a6b5409698b9178bbae5f658580cbdc3d3eb62303f61c9fca520d47cbf3476f335206c3728dfd7b09e52fb769c09c34f01ce5a4ef734eae113b4c8d3045b

    • SSDEEP

      12288:oRVVbkY660fIaDZkY660f8jTK/XhdAwlt01t:oRbbgsaDZgQjGkwlg

    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