Overview

overview

10

Static

static

10

Crubby-SetUp.exe

windows7-x64

7

Crubby-SetUp.exe

windows10-2004-x64

8

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General

  • Target

    Crubby-SetUp.exe

  • Size

    7.6MB

  • Sample

    241011-p8gjkstbng

  • MD5

    e9af544eb8111fd21728de67e4f326d8

  • SHA1

    bfaa8586a473265f291e9bb226af4680edfbe64e

  • SHA256

    e14419534d79ebd665a8680bb8a37d7aa9c62804aaa1c14d72303ec1c865e0fa

  • SHA512

    2745c59d4bf07313493198d6fb6578bbcc2a6c40d98fe4de78e0af3b93247d083a376136b7cb6564fd1e971ca33d2c8deb5510d9f640d8da00526b72df092e24

  • SSDEEP

    98304:AqH+ImMcr/urErvz81LpWjjUlLkvzgXO9hAlaYrzzuJZYJ1JIuI/KU73bcgVowjf:AqsurErvI9pWjgyvoaYrE41JIuICox3

Score
10/10
blankgrabberdiscoveryexecutionupx

Malware Config

Targets

    • Target

      Crubby-SetUp.exe

    • Size

      7.6MB

    • MD5

      e9af544eb8111fd21728de67e4f326d8

    • SHA1

      bfaa8586a473265f291e9bb226af4680edfbe64e

    • SHA256

      e14419534d79ebd665a8680bb8a37d7aa9c62804aaa1c14d72303ec1c865e0fa

    • SHA512

      2745c59d4bf07313493198d6fb6578bbcc2a6c40d98fe4de78e0af3b93247d083a376136b7cb6564fd1e971ca33d2c8deb5510d9f640d8da00526b72df092e24

    • SSDEEP

      98304:AqH+ImMcr/urErvz81LpWjjUlLkvzgXO9hAlaYrzzuJZYJ1JIuI/KU73bcgVowjf:AqsurErvI9pWjgyvoaYrE41JIuICox3

    Score
    8/10
    upxdiscoveryexecution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks