Overview

overview

10

Static

static

3

4c23b0c04c...79.exe

windows7-x64

10

4c23b0c04c...79.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c23b0c04c2dc668bd58cdbea5cb1d2525170962e529d057b4ca4e98add78379.exe

  • Size

    88KB

  • Sample

    241222-q5s9ms1kbk

  • MD5

    a69e8a2395ee9244f6a570b5fc6de2c6

  • SHA1

    13d7c3a392202565ca818d17b289d25a85612191

  • SHA256

    4c23b0c04c2dc668bd58cdbea5cb1d2525170962e529d057b4ca4e98add78379

  • SHA512

    0f19ca425379f24abc7d6b753a80fc8bd4ff4de975ddf221329dbb02e145ca4eddc967371a64ad0a3fb11470ab6ae7413933ede9d7098070bd2c2b27defb8321

  • SSDEEP

    1536:gXZo3+B+/u4uFdK4kekkENXdhATYV3Mdnouy87:g6+B+/GFdKDeFmXnATYV3Mlout7

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

      4c23b0c04c2dc668bd58cdbea5cb1d2525170962e529d057b4ca4e98add78379.exe

    • Size

      88KB

    • MD5

      a69e8a2395ee9244f6a570b5fc6de2c6

    • SHA1

      13d7c3a392202565ca818d17b289d25a85612191

    • SHA256

      4c23b0c04c2dc668bd58cdbea5cb1d2525170962e529d057b4ca4e98add78379

    • SHA512

      0f19ca425379f24abc7d6b753a80fc8bd4ff4de975ddf221329dbb02e145ca4eddc967371a64ad0a3fb11470ab6ae7413933ede9d7098070bd2c2b27defb8321

    • SSDEEP

      1536:gXZo3+B+/u4uFdK4kekkENXdhATYV3Mdnouy87:g6+B+/GFdKDeFmXnATYV3Mlout7

    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