Overview

overview

10

Static

static

3

c05a6fa2c1...22.exe

windows7-x64

10

c05a6fa2c1...22.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c05a6fa2c1319210c0412755d204d9fdf865e1dd5335cd8ffd69311d827ca322

  • Size

    121KB

  • Sample

    241223-c7q1eavlhl

  • MD5

    98a650edb22d32d8b448ad46158abd55

  • SHA1

    fca3f1389c2f52a1941db470c7030d7dc898da6e

  • SHA256

    c05a6fa2c1319210c0412755d204d9fdf865e1dd5335cd8ffd69311d827ca322

  • SHA512

    c826743cf607bb1ba98a8a1c11e031961f2722a450b37c3b3615641cfffaa659f8c81b94ff46b0d69c5e8f684737e4d0def554e3d0bf67e78f70e6063430c0f2

  • SSDEEP

    3072:tyUCh9L4zEj1yoQ8CxF96s4Uo8WO7AJnD5tvv:t5Ch9MzXTEsw8WOarvv

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

      c05a6fa2c1319210c0412755d204d9fdf865e1dd5335cd8ffd69311d827ca322

    • Size

      121KB

    • MD5

      98a650edb22d32d8b448ad46158abd55

    • SHA1

      fca3f1389c2f52a1941db470c7030d7dc898da6e

    • SHA256

      c05a6fa2c1319210c0412755d204d9fdf865e1dd5335cd8ffd69311d827ca322

    • SHA512

      c826743cf607bb1ba98a8a1c11e031961f2722a450b37c3b3615641cfffaa659f8c81b94ff46b0d69c5e8f684737e4d0def554e3d0bf67e78f70e6063430c0f2

    • SSDEEP

      3072:tyUCh9L4zEj1yoQ8CxF96s4Uo8WO7AJnD5tvv:t5Ch9MzXTEsw8WOarvv

    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