Overview

overview

10

Static

static

3

d740584c7f...6e.exe

windows7-x64

10

d740584c7f...6e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d740584c7f21872208aa3b583ed96bd52ad2f7ff1a03bfac8b20024afa434a6e

  • Size

    98KB

  • Sample

    250306-pekzxaym12

  • MD5

    3870e23683d215fbc8c6bc7dd276b6c0

  • SHA1

    bfd85d2b0eb57a0b3a72cdd8590ae7b6f3175009

  • SHA256

    d740584c7f21872208aa3b583ed96bd52ad2f7ff1a03bfac8b20024afa434a6e

  • SHA512

    e00409580dad3168c02c211b855415aca42259c7f8d3fbcd124940a026389d2d9b0d2d5f8a4da75f69e71368e6b0ee6b15fa77525c7561014a24a4970df5daa6

  • SSDEEP

    3072:hAFwt/GdGSrXyP74AglamCETeFKPD375lHzpa1PP:hA6QdGwyP74jlamCETeYr75lHzpaFP

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

      d740584c7f21872208aa3b583ed96bd52ad2f7ff1a03bfac8b20024afa434a6e

    • Size

      98KB

    • MD5

      3870e23683d215fbc8c6bc7dd276b6c0

    • SHA1

      bfd85d2b0eb57a0b3a72cdd8590ae7b6f3175009

    • SHA256

      d740584c7f21872208aa3b583ed96bd52ad2f7ff1a03bfac8b20024afa434a6e

    • SHA512

      e00409580dad3168c02c211b855415aca42259c7f8d3fbcd124940a026389d2d9b0d2d5f8a4da75f69e71368e6b0ee6b15fa77525c7561014a24a4970df5daa6

    • SSDEEP

      3072:hAFwt/GdGSrXyP74AglamCETeFKPD375lHzpa1PP:hA6QdGwyP74jlamCETeYr75lHzpaFP

    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