Overview

overview

10

Static

static

3

a555eab200...e6.exe

windows7-x64

10

a555eab200...e6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a555eab2007c5ad03d28ab20e0ff7bdf4e8c79cfba2dc5f77f69c2b72b0bc0e6

  • Size

    71KB

  • Sample

    241121-ek5amasrhj

  • MD5

    a87c3911bdfde165b093d6dc3dcbea1c

  • SHA1

    8d3e853829c3c15537bb6cda450b340f9713adef

  • SHA256

    a555eab2007c5ad03d28ab20e0ff7bdf4e8c79cfba2dc5f77f69c2b72b0bc0e6

  • SHA512

    24088b2d5773ee55f7fc0080a0f27c84c621151f2e804c00b09ee4841d00823f678699a10b718d6138e4a26a9e47710d8165baaf9d3587adacbd7adc05740ca3

  • SSDEEP

    1536:Hq9pjMatHs/YLw/R95EHyHXSdj1hWmwiDsQ0r07fRQ4K1P+ATTh:KxXcn5zCdZIlioQ0geTP+A3h

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a555eab2007c5ad03d28ab20e0ff7bdf4e8c79cfba2dc5f77f69c2b72b0bc0e6

    • Size

      71KB

    • MD5

      a87c3911bdfde165b093d6dc3dcbea1c

    • SHA1

      8d3e853829c3c15537bb6cda450b340f9713adef

    • SHA256

      a555eab2007c5ad03d28ab20e0ff7bdf4e8c79cfba2dc5f77f69c2b72b0bc0e6

    • SHA512

      24088b2d5773ee55f7fc0080a0f27c84c621151f2e804c00b09ee4841d00823f678699a10b718d6138e4a26a9e47710d8165baaf9d3587adacbd7adc05740ca3

    • SSDEEP

      1536:Hq9pjMatHs/YLw/R95EHyHXSdj1hWmwiDsQ0r07fRQ4K1P+ATTh:KxXcn5zCdZIlioQ0geTP+A3h

    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