Overview

overview

10

Static

static

10

f02fca32c5...3b.exe

windows7-x64

10

f02fca32c5...3b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f02fca32c5d7124365fdce4a3f02d526eaaae71a6ee9f612a4fcb164fe7f7a3b

  • Size

    229KB

  • Sample

    250306-rwxq5szzds

  • MD5

    8f9c2ecaf3743ac36933c60e5285719d

  • SHA1

    c29d47e72938fc413c5b2c2cbe2ecc28ac1a7c09

  • SHA256

    f02fca32c5d7124365fdce4a3f02d526eaaae71a6ee9f612a4fcb164fe7f7a3b

  • SHA512

    d517b4bbd0c7c44b7054bd8d4da91105c1e6ff6d459e225777ec73b606825db7d885960f83eaeefc4445d6f2de91bcc1076c6c491583c68b913c5dae81a2fa73

  • SSDEEP

    6144:24lwdhJ271+HZ/pvkym/89bYEwPhCKvav:Blb7AIfFfvav

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

      f02fca32c5d7124365fdce4a3f02d526eaaae71a6ee9f612a4fcb164fe7f7a3b

    • Size

      229KB

    • MD5

      8f9c2ecaf3743ac36933c60e5285719d

    • SHA1

      c29d47e72938fc413c5b2c2cbe2ecc28ac1a7c09

    • SHA256

      f02fca32c5d7124365fdce4a3f02d526eaaae71a6ee9f612a4fcb164fe7f7a3b

    • SHA512

      d517b4bbd0c7c44b7054bd8d4da91105c1e6ff6d459e225777ec73b606825db7d885960f83eaeefc4445d6f2de91bcc1076c6c491583c68b913c5dae81a2fa73

    • SSDEEP

      6144:24lwdhJ271+HZ/pvkym/89bYEwPhCKvav:Blb7AIfFfvav

    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