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Overview

overview

10

Static

static

3

40d72efe3b...34.exe

windows7-x64

10

40d72efe3b...34.exe

windows10-2004-x64

10

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General

  • Target

    40d72efe3bba26d76baf0136c74bd84e3b40c43ed11aa7f3802511f1e4686834

  • Size

    94KB

  • Sample

    241012-zwmj6s1ejh

  • MD5

    25affcb540804754298fa7781be208d5

  • SHA1

    40517b06fd5e47a472f680115c4edf059f212a72

  • SHA256

    40d72efe3bba26d76baf0136c74bd84e3b40c43ed11aa7f3802511f1e4686834

  • SHA512

    58d1372382286bef12acbb2e1e55d9275e229576567cec1e9bf172ffbec8f518297db268580420fe237fdb6b868bd37586917e4dd3207da1923630fa86164b4d

  • SSDEEP

    1536:ydL+uIrNA0ZHiWsYssTjppCVTt63vgprAQWCsN9QCoqPzsTQ7BR9L4DT2EnINs:ydKumD/xpS636rAQWv9QVasTQ6+ob

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

      40d72efe3bba26d76baf0136c74bd84e3b40c43ed11aa7f3802511f1e4686834

    • Size

      94KB

    • MD5

      25affcb540804754298fa7781be208d5

    • SHA1

      40517b06fd5e47a472f680115c4edf059f212a72

    • SHA256

      40d72efe3bba26d76baf0136c74bd84e3b40c43ed11aa7f3802511f1e4686834

    • SHA512

      58d1372382286bef12acbb2e1e55d9275e229576567cec1e9bf172ffbec8f518297db268580420fe237fdb6b868bd37586917e4dd3207da1923630fa86164b4d

    • SSDEEP

      1536:ydL+uIrNA0ZHiWsYssTjppCVTt63vgprAQWCsN9QCoqPzsTQ7BR9L4DT2EnINs:ydKumD/xpS636rAQWv9QVasTQ6+ob

    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