Overview

overview

10

Static

static

3

3b4f94a0ba...41.exe

windows7-x64

10

3b4f94a0ba...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b4f94a0ba3c827fc4fba84fcfa17f6a6a0068c349835b5583bfb12cf0467541

  • Size

    74KB

  • Sample

    241224-z73qjaxpaw

  • MD5

    9a817d7edb2a03435852eda1d8d963bf

  • SHA1

    d96c4a5d52df68d875b27de1f52a786c535faff3

  • SHA256

    3b4f94a0ba3c827fc4fba84fcfa17f6a6a0068c349835b5583bfb12cf0467541

  • SHA512

    a8e703deb6d101c3911544270d004f5d5e8d5598d52f36b6a476f94e848e3223d80ac82915058f794557117b1eca7f2826223d4693163b4ad950ce6042ecbfc9

  • SSDEEP

    1536:dArvT4oqrvdNUPoldkUikR+Tffy3CrVypprWlwBnOBQE:+XriPHs3kR+f6qynW2BnOBQ

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

      3b4f94a0ba3c827fc4fba84fcfa17f6a6a0068c349835b5583bfb12cf0467541

    • Size

      74KB

    • MD5

      9a817d7edb2a03435852eda1d8d963bf

    • SHA1

      d96c4a5d52df68d875b27de1f52a786c535faff3

    • SHA256

      3b4f94a0ba3c827fc4fba84fcfa17f6a6a0068c349835b5583bfb12cf0467541

    • SHA512

      a8e703deb6d101c3911544270d004f5d5e8d5598d52f36b6a476f94e848e3223d80ac82915058f794557117b1eca7f2826223d4693163b4ad950ce6042ecbfc9

    • SSDEEP

      1536:dArvT4oqrvdNUPoldkUikR+Tffy3CrVypprWlwBnOBQE:+XriPHs3kR+f6qynW2BnOBQ

    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