Overview

overview

10

Static

static

10

fb61aadbed...10.exe

windows7-x64

10

fb61aadbed...10.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb61aadbed685ddc4f9ca1ec1b10ec7c50d97f55f5fe2cc39730f47cf419b610

  • Size

    144KB

  • Sample

    250305-qhs1csy1ax

  • MD5

    6c44d44870eb604c08ddafe33aca9ecc

  • SHA1

    144828d89ac6f6eaa01a5d9a8581b76d4942a430

  • SHA256

    fb61aadbed685ddc4f9ca1ec1b10ec7c50d97f55f5fe2cc39730f47cf419b610

  • SHA512

    c30a34d65a4c8039b29ba92f46f959d5836b91bd77a7706ea02e4f748eb4a734373df14bd0a85b6a7e5bd9b725b8730e4baf8d332577b823197297971a15d581

  • SSDEEP

    3072:WYyMwWkQ0damZzWEGylw3kremwc/gHq/Wp+YmKfxgQd:BKWxgZzWEGsw3/fc/UmKyI

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

      fb61aadbed685ddc4f9ca1ec1b10ec7c50d97f55f5fe2cc39730f47cf419b610

    • Size

      144KB

    • MD5

      6c44d44870eb604c08ddafe33aca9ecc

    • SHA1

      144828d89ac6f6eaa01a5d9a8581b76d4942a430

    • SHA256

      fb61aadbed685ddc4f9ca1ec1b10ec7c50d97f55f5fe2cc39730f47cf419b610

    • SHA512

      c30a34d65a4c8039b29ba92f46f959d5836b91bd77a7706ea02e4f748eb4a734373df14bd0a85b6a7e5bd9b725b8730e4baf8d332577b823197297971a15d581

    • SSDEEP

      3072:WYyMwWkQ0damZzWEGylw3kremwc/gHq/Wp+YmKfxgQd:BKWxgZzWEGsw3/fc/UmKyI

    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