General

  • Target

    2c5d3fea7ad3c9c49e9c1a154370229c86c48fbaf7044213fd85d31efcebf7f6.exe

  • Size

    421KB

  • Sample

    250412-qwvq4svrw5

  • MD5

    7dd4de113a97c638518f01760ff4f03c

  • SHA1

    39649fa040a3c6894758016a65afec7b6acd4017

  • SHA256

    2c5d3fea7ad3c9c49e9c1a154370229c86c48fbaf7044213fd85d31efcebf7f6

  • SHA512

    32bea0d57a27376874068fb39917fda13e9a095b372382d1b7b40dbe47bf28ccaa69f5f658ea7d74accf4c078ad861b350b28ca00ee3c77c10acc5482b0d7759

  • SSDEEP

    6144:pzOLumbr+/LRs95wOr0F2SSJmo7zYrMFFHk9FIT9pLaaT:XeB8Fo7tHG6T9Ra

Malware Config

Targets

    • Target

      2c5d3fea7ad3c9c49e9c1a154370229c86c48fbaf7044213fd85d31efcebf7f6.exe

    • Size

      421KB

    • MD5

      7dd4de113a97c638518f01760ff4f03c

    • SHA1

      39649fa040a3c6894758016a65afec7b6acd4017

    • SHA256

      2c5d3fea7ad3c9c49e9c1a154370229c86c48fbaf7044213fd85d31efcebf7f6

    • SHA512

      32bea0d57a27376874068fb39917fda13e9a095b372382d1b7b40dbe47bf28ccaa69f5f658ea7d74accf4c078ad861b350b28ca00ee3c77c10acc5482b0d7759

    • SSDEEP

      6144:pzOLumbr+/LRs95wOr0F2SSJmo7zYrMFFHk9FIT9pLaaT:XeB8Fo7tHG6T9Ra

    • Detect Rhysida ransomware

    • Rhysida

      Rhysida is a ransomware that is written in C++ and discovered in 2023.

    • Rhysida family

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (9689) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks