Overview

overview

10

Static

static

10

cwel.exe

windows7-x64

7

cwel.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    cwel.exe

  • Size

    76.6MB

  • Sample

    241229-wfcs9avndz

  • MD5

    af68905bc16868fab729dcee959cc0b1

  • SHA1

    26bbeb56c4c6f8e0b73c57eac00dc04123cf9cb7

  • SHA256

    49d49e515fe1b2d29deb4667622420aea2e4a3c2f04babae14cce0b7732f5f5b

  • SHA512

    17b7922eb3f60c27978f3cee16202ffe1ca29da351e53399b03b225d0afb9286c954d970ee4399b68ae8f220336783247d62978d69fd54664ab6e7360487cf6f

  • SSDEEP

    1572864:r1l7Wd5mUSk8IpG7V+VPhqFxE7glhWiYweyJulZUdg6zfqiuWd72:r1Z05mUSkB05awF1LLpuqiOZ2

Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      cwel.exe

    • Size

      76.6MB

    • MD5

      af68905bc16868fab729dcee959cc0b1

    • SHA1

      26bbeb56c4c6f8e0b73c57eac00dc04123cf9cb7

    • SHA256

      49d49e515fe1b2d29deb4667622420aea2e4a3c2f04babae14cce0b7732f5f5b

    • SHA512

      17b7922eb3f60c27978f3cee16202ffe1ca29da351e53399b03b225d0afb9286c954d970ee4399b68ae8f220336783247d62978d69fd54664ab6e7360487cf6f

    • SSDEEP

      1572864:r1l7Wd5mUSk8IpG7V+VPhqFxE7glhWiYweyJulZUdg6zfqiuWd72:r1Z05mUSkB05awF1LLpuqiOZ2

    Score
    9/10
    upxevasionexecutionpersistence

    • 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

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks