Overview

overview

10

Static

static

10

source_prepared.exe

windows10-ltsc 2021-x64

9

Sharing

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General

  • Target

    source_prepared.exe

  • Size

    75.9MB

  • Sample

    241205-13t39s1kdj

  • MD5

    7bf1004db0e9aebc6d7a87f5623b873d

  • SHA1

    e9ac1e9cef961b259d5dd1ccaf3d10757a3fda48

  • SHA256

    83a77312cd2d5807538c6bc6055bd9533040d6ca8ed21aa4ff40e276c453f9d6

  • SHA512

    abcc47540c1da0febfae5c02e24e9c912e76e1eb3be33c232d8b4798e1ef377ff19ac8907291d13cd548aff14c1d35fdb60ec0f9603003e81b9ea0b0698da92f

  • SSDEEP

    1572864:B3mlIWgwm9Sk8IpG7V+VPhqSUE7WxzlK9piY4MHHLeqPNLtDNHz/3Zzeej:B2OPwm9SkB05awSAxzMAMHVLtZHL3Qej

Score
10/10
pysilondefense_evasionevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      75.9MB

    • MD5

      7bf1004db0e9aebc6d7a87f5623b873d

    • SHA1

      e9ac1e9cef961b259d5dd1ccaf3d10757a3fda48

    • SHA256

      83a77312cd2d5807538c6bc6055bd9533040d6ca8ed21aa4ff40e276c453f9d6

    • SHA512

      abcc47540c1da0febfae5c02e24e9c912e76e1eb3be33c232d8b4798e1ef377ff19ac8907291d13cd548aff14c1d35fdb60ec0f9603003e81b9ea0b0698da92f

    • SSDEEP

      1572864:B3mlIWgwm9Sk8IpG7V+VPhqSUE7WxzlK9piY4MHHLeqPNLtDNHz/3Zzeej:B2OPwm9SkB05awSAxzMAMHVLtZHL3Qej

    Score
    9/10
    defense_evasionevasionexecutionpersistenceupx

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks