Overview

overview

10

Static

static

10

Built.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Built.exe

  • Size

    7.5MB

  • Sample

    241103-f4bcbswerl

  • MD5

    731b9f0326aab9d3eb083341cdb536ef

  • SHA1

    e9ac4533ed2be5b8fb106368ca5988e561e18df3

  • SHA256

    b8d079bc5e59a60793056ed86dde0724b3e60f710307e82100d9f320377b2713

  • SHA512

    fdc596bcbe55812a9d4337975118caed01aaf4178d27f3b176a297835810739d77d74cb1ff343395d9276d3ac09e4e8a78c1028756be9e45c91eef712f22f21e

  • SSDEEP

    98304:0eBAgasrY9swRhI3l72Qj1qCVgWBg+uoQs+YX5dfXHzjNZnXscacRX1t9XMGh8HB:0xgI9swfI9jUC2gYBYv3vbW+DcGiwwnp

Score
10/10
blankgrabberdiscoveryevasionexecutionupx

Malware Config

Targets

    • Target

      Built.exe

    • Size

      7.5MB

    • MD5

      731b9f0326aab9d3eb083341cdb536ef

    • SHA1

      e9ac4533ed2be5b8fb106368ca5988e561e18df3

    • SHA256

      b8d079bc5e59a60793056ed86dde0724b3e60f710307e82100d9f320377b2713

    • SHA512

      fdc596bcbe55812a9d4337975118caed01aaf4178d27f3b176a297835810739d77d74cb1ff343395d9276d3ac09e4e8a78c1028756be9e45c91eef712f22f21e

    • SSDEEP

      98304:0eBAgasrY9swRhI3l72Qj1qCVgWBg+uoQs+YX5dfXHzjNZnXscacRX1t9XMGh8HB:0xgI9swfI9jUC2gYBYv3vbW+DcGiwwnp

    Score
    10/10
    discoveryevasionexecutionupx

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      evasion

    • 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
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks