General

  • Target

    57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe

  • Size

    245KB

  • Sample

    250412-qzqasswjs9

  • MD5

    3225b95fc72f238ab1e53bfabc11b551

  • SHA1

    dcbd80dae14ff473b2c052863d01eb7fc7a536c3

  • SHA256

    57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602

  • SHA512

    b71573364c7034e2e174d05e16c8df399bebd87bfa13f723cbc1c176bf4ab4d533546012b2e26a9126bc1906f8f0265f38988ce37038cf4e39b92b65b216b1a1

  • SSDEEP

    6144:6U502s1Aua/EadH9ZswGAgeH5Rrgj2MDjLSZr3Sf5xv/O:bns0//dZsF6Z/Mlf5x3O

Malware Config

Targets

    • Target

      57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe

    • Size

      245KB

    • MD5

      3225b95fc72f238ab1e53bfabc11b551

    • SHA1

      dcbd80dae14ff473b2c052863d01eb7fc7a536c3

    • SHA256

      57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602

    • SHA512

      b71573364c7034e2e174d05e16c8df399bebd87bfa13f723cbc1c176bf4ab4d533546012b2e26a9126bc1906f8f0265f38988ce37038cf4e39b92b65b216b1a1

    • SSDEEP

      6144:6U502s1Aua/EadH9ZswGAgeH5Rrgj2MDjLSZr3Sf5xv/O:bns0//dZsF6Z/Mlf5x3O

    • Rhysida

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

    • Rhysida family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (9513) 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.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks