Overview

overview

10

Static

static

10

d4a7874f28...bN.exe

windows7-x64

10

d4a7874f28...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d4a7874f285da22f1751ee9d22d25b0a99246841a266162f820d24c873f80f2bN.exe

  • Size

    276KB

  • Sample

    241225-yzqkkawkfw

  • MD5

    9fd34d933465033f53f56d957f75cba0

  • SHA1

    9c4a948ede6abb78e5ddfbe53a9037ca4ebf88e2

  • SHA256

    d4a7874f285da22f1751ee9d22d25b0a99246841a266162f820d24c873f80f2b

  • SHA512

    28b5d05a5dff018a3747cf7f9c18950d2866cf540b192e310685decedb95c8b1e432947ef7c0ef6c9334832c07996f3f085404e6ed9e95e409b8d2944ceb2c48

  • SSDEEP

    6144:M7trvDUJxMiPdZMGXF5ahdt3rM8d7TtLe:wvDUJxMYXFWtJ96

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

      d4a7874f285da22f1751ee9d22d25b0a99246841a266162f820d24c873f80f2bN.exe

    • Size

      276KB

    • MD5

      9fd34d933465033f53f56d957f75cba0

    • SHA1

      9c4a948ede6abb78e5ddfbe53a9037ca4ebf88e2

    • SHA256

      d4a7874f285da22f1751ee9d22d25b0a99246841a266162f820d24c873f80f2b

    • SHA512

      28b5d05a5dff018a3747cf7f9c18950d2866cf540b192e310685decedb95c8b1e432947ef7c0ef6c9334832c07996f3f085404e6ed9e95e409b8d2944ceb2c48

    • SSDEEP

      6144:M7trvDUJxMiPdZMGXF5ahdt3rM8d7TtLe:wvDUJxMYXFWtJ96

    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