Overview

overview

10

Static

static

3

4ac8bb4cfa...7N.exe

windows7-x64

10

4ac8bb4cfa...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ac8bb4cfa5be1ec05935c4376dc17961e968f7c01d63095c2b6cd708ae53a67N

  • Size

    192KB

  • Sample

    241006-gpk4naybqa

  • MD5

    fbb5f4e783e10f01bba3999e182538e0

  • SHA1

    db24760e79a44d290f8a64a976e0ad743ebf5361

  • SHA256

    4ac8bb4cfa5be1ec05935c4376dc17961e968f7c01d63095c2b6cd708ae53a67

  • SHA512

    ec0ef98360116e1587c7bcf2725ee0e9eab211d95b7c53aa7e783a39b5273e6797984870e8f61682098f5c9b40d7959208eff17e26c5ab10c8c49b9b9c671f55

  • SSDEEP

    3072:xig/Q11hbr4Pxbj0dQBw1YsyjQmZNARA1+H:RW1hbrQRY7YsRm1m

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

      4ac8bb4cfa5be1ec05935c4376dc17961e968f7c01d63095c2b6cd708ae53a67N

    • Size

      192KB

    • MD5

      fbb5f4e783e10f01bba3999e182538e0

    • SHA1

      db24760e79a44d290f8a64a976e0ad743ebf5361

    • SHA256

      4ac8bb4cfa5be1ec05935c4376dc17961e968f7c01d63095c2b6cd708ae53a67

    • SHA512

      ec0ef98360116e1587c7bcf2725ee0e9eab211d95b7c53aa7e783a39b5273e6797984870e8f61682098f5c9b40d7959208eff17e26c5ab10c8c49b9b9c671f55

    • SSDEEP

      3072:xig/Q11hbr4Pxbj0dQBw1YsyjQmZNARA1+H:RW1hbrQRY7YsRm1m

    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