Overview

overview

10

Static

static

3

1fcd634006...02.exe

windows7-x64

10

1fcd634006...02.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1fcd6340067f6f42116f2fd9ac39f920e763b13c10454e2d11a8e64907f0ac02

  • Size

    256KB

  • Sample

    240925-x5lccstblk

  • MD5

    e4cce722040f04294e631773a4924a66

  • SHA1

    6c8d28c7824db026661faa89cc8ef592a10691db

  • SHA256

    1fcd6340067f6f42116f2fd9ac39f920e763b13c10454e2d11a8e64907f0ac02

  • SHA512

    9e3ed4c1942fed1bef3f71ba3256e3a8ed96705f940f47a7d04014e2cb2dfcd2d499c75b237f351c81b1fc71b39eab434c1cbd335fed4201dd6fbc275a6c6318

  • SSDEEP

    6144:Zdp1q7i/GOORjMmRUoooooooooooooooooooooooooy/G:ZbAi//OVLCooooooooooooooooooooo0

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

      1fcd6340067f6f42116f2fd9ac39f920e763b13c10454e2d11a8e64907f0ac02

    • Size

      256KB

    • MD5

      e4cce722040f04294e631773a4924a66

    • SHA1

      6c8d28c7824db026661faa89cc8ef592a10691db

    • SHA256

      1fcd6340067f6f42116f2fd9ac39f920e763b13c10454e2d11a8e64907f0ac02

    • SHA512

      9e3ed4c1942fed1bef3f71ba3256e3a8ed96705f940f47a7d04014e2cb2dfcd2d499c75b237f351c81b1fc71b39eab434c1cbd335fed4201dd6fbc275a6c6318

    • SSDEEP

      6144:Zdp1q7i/GOORjMmRUoooooooooooooooooooooooooy/G:ZbAi//OVLCooooooooooooooooooooo0

    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