Overview

overview

10

Static

static

3

84b77e1744...79.exe

windows7-x64

10

84b77e1744...79.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    84b77e1744c0d9e545f46a6cbe354ff02c37d6b850283d0dc82b169a3c726679

  • Size

    96KB

  • Sample

    241208-avmfcaxqcn

  • MD5

    7dc00811c9fef735fc7eff24be63eaa8

  • SHA1

    35d03e15b9754d778464d916fc5bae52644aca0f

  • SHA256

    84b77e1744c0d9e545f46a6cbe354ff02c37d6b850283d0dc82b169a3c726679

  • SHA512

    e75a6fafb42f822ba71a2bb3620e6a5097e0b463588839cf8fed293838b975ffcc16776dec1023febaf6229abb121bf712881b2d77a5ba8e813a77a2f98f3267

  • SSDEEP

    3072:IjG/SqlhrSrCISDMnKLsrte+sHrtG9MW3+3l2X:zS+hnYKQrwttGDuMX

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

      84b77e1744c0d9e545f46a6cbe354ff02c37d6b850283d0dc82b169a3c726679

    • Size

      96KB

    • MD5

      7dc00811c9fef735fc7eff24be63eaa8

    • SHA1

      35d03e15b9754d778464d916fc5bae52644aca0f

    • SHA256

      84b77e1744c0d9e545f46a6cbe354ff02c37d6b850283d0dc82b169a3c726679

    • SHA512

      e75a6fafb42f822ba71a2bb3620e6a5097e0b463588839cf8fed293838b975ffcc16776dec1023febaf6229abb121bf712881b2d77a5ba8e813a77a2f98f3267

    • SSDEEP

      3072:IjG/SqlhrSrCISDMnKLsrte+sHrtG9MW3+3l2X:zS+hnYKQrwttGDuMX

    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