Analysis

  • max time kernel
    103s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2025, 13:42

General

  • Target

    57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe

  • Size

    245KB

  • MD5

    3225b95fc72f238ab1e53bfabc11b551

  • SHA1

    dcbd80dae14ff473b2c052863d01eb7fc7a536c3

  • SHA256

    57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602

  • SHA512

    b71573364c7034e2e174d05e16c8df399bebd87bfa13f723cbc1c176bf4ab4d533546012b2e26a9126bc1906f8f0265f38988ce37038cf4e39b92b65b216b1a1

  • SSDEEP

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

Malware Config

Signatures

  • Rhysida

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

  • Rhysida family
  • Deletes shadow copies 3 TTPs

    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 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Hide Artifacts: Hidden Window 1 TTPs 2 IoCs

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

  • Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe
    "C:\Users\Admin\AppData\Local\Temp\57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:5660
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Windows\system32\cmd.exe
        cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4764
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe Delete Shadows /All /Quiet
          4⤵
          • Interacts with shadow copies
          PID:3796
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ) DO wevtutil.exe cl "%1"
      2⤵
        PID:2312
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6420
        • C:\Windows\system32\cmd.exe
          cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2356
          • C:\Windows\system32\reg.exe
            reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
            4⤵
              PID:6532
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:6212
          • C:\Windows\system32\cmd.exe
            cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1224
            • C:\Windows\system32\reg.exe
              reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
              4⤵
                PID:4732
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:448
            • C:\Windows\system32\cmd.exe
              cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:5992
              • C:\Windows\system32\reg.exe
                reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
                4⤵
                  PID:4140
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:6472
              • C:\Windows\system32\cmd.exe
                cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1824
                • C:\Windows\system32\reg.exe
                  reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
                  4⤵
                    PID:6252
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1848
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5176
                  • C:\Windows\system32\reg.exe
                    reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                    4⤵
                    • Sets desktop wallpaper using registry
                    PID:6520
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:6148
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:6196
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
                    4⤵
                      PID:4308
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:6160
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:404
                    • C:\Windows\system32\reg.exe
                      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
                      4⤵
                        PID:7112
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:7124
                    • C:\Windows\system32\cmd.exe
                      cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:6676
                      • C:\Windows\system32\reg.exe
                        reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
                        4⤵
                          PID:6820
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c rundll32.exe user32.dll,UpdatePerUserSystemParameters
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4896
                      • C:\Windows\system32\rundll32.exe
                        rundll32.exe user32.dll,UpdatePerUserSystemParameters
                        3⤵
                          PID:6424
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c cmd.exe /c start powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
                        2⤵
                        • Hide Artifacts: Hidden Window
                        • Indicator Removal: Clear Persistence
                        • Suspicious use of WriteProcessMemory
                        PID:920
                        • C:\Windows\system32\cmd.exe
                          cmd.exe /c start powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
                          3⤵
                          • Hide Artifacts: Hidden Window
                          • Indicator Removal: Clear Persistence
                          PID:3040
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
                            4⤵
                            • Command and Scripting Interpreter: PowerShell
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2408
                            • C:\Windows\system32\schtasks.exe
                              "C:\Windows\system32\schtasks.exe" /delete /tn Rhsd /f
                              5⤵
                                PID:4400
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c cmd.exe /c start ping 127.0.0.1 -n 2 > nul && del /f /q "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602.exe"
                          2⤵
                          • System Network Configuration Discovery: Internet Connection Discovery
                          PID:4644
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c start ping 127.0.0.1 -n 2
                            3⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            PID:3152
                            • C:\Windows\system32\PING.EXE
                              ping 127.0.0.1 -n 2
                              4⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:3188
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1756

                      Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\ResiliencyLinks\VisualElements\SmallLogoCanary.png.DATA.rhysida

                        Filesize

                        17KB

                        MD5

                        50393732b8b7d4e05305be762e3b97ad

                        SHA1

                        6021775db0a6b0edbb98da1ef164059499a8d9bc

                        SHA256

                        b5c25f4682fc2d438e52f3bb9fcac6fe3149fc79c2b02e2b82838d37641b48f9

                        SHA512

                        f2e7b966038d305ce7636a8e99d1459dd2ee355c8b963aeb5254d73ab9a0eab080f4af8e3fc1e5b902c3c380a9508bbb624096ed93ba86575b4edef6677b33c6

                      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\VisualElements\SmallLogo.png.rhysida

                        Filesize

                        18KB

                        MD5

                        9952d24a5e808a398551f1d7deb3435c

                        SHA1

                        01820d50959a7c422dd79889a4607ef99c951cc6

                        SHA256

                        fd0f9341af47fefbc49c50b057505460d7fb118ab9527e0b5480ef9529cca87b

                        SHA512

                        70172863ef760c0e282330026d2e0b3fe4c95689321239a33df72843c2674e7d0f60a2694cacf3f342cd7f99423835b8e7cd1236f55f550dfe3883f27ca409e9

                      • C:\Program Files\CriticalBreachDetected.pdf

                        Filesize

                        111KB

                        MD5

                        6e08afd4f953bed223fc48853f6ee5b4

                        SHA1

                        3eb7f5cc9044d256ce07821bad45ebf166bbde60

                        SHA256

                        7b9198897fa8f19835458a35ce4af8350ed953f93e09acbafff26c66adbaf8d5

                        SHA512

                        174541349e8b0782f00fd88912232f6f62a465ba37ec0fc6913885753cb8f451be0e8468f664046fb47f3b6beb92036af6e606b217acf1fbbedc6bd55f674fe0

                      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4w2yxvpb.afs.ps1

                        Filesize

                        60B

                        MD5

                        d17fe0a3f47be24a6453e9ef58c94641

                        SHA1

                        6ab83620379fc69f80c0242105ddffd7d98d5d9d

                        SHA256

                        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                        SHA512

                        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                      • memory/2408-14902-0x000001B5551F0000-0x000001B555212000-memory.dmp

                        Filesize

                        136KB

                      • memory/5660-0-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-5763-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-5770-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-14464-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-14892-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-14893-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB

                      • memory/5660-14896-0x0000000000400000-0x0000000000494000-memory.dmp

                        Filesize

                        592KB