Overview

overview

10

Static

static

10

Solara.exe

windows10-2004-x64

10

Solara.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    381s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 10:37

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    Solara.exe
  • Size 31.0MB
  • Sample260910-mn2b5sge82
  • SHA256 202b7d774a433ce589b6df96545e09fbd393eb6bc538064052e0c6d9dbb1c482
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheet_qwrqrmioqhvabidefense_evasionexecutionsheetratpersistenceprivilege_escalationransomwaretrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 2.6

Campaign

  • Sheet_qwrqrmioqhvabi

C2

  • 64.188.118.59:4444

Signatures

  • Family: Sheetrat, NonEuclid rat

    Sheetrat aka NonEuclid RAT is a trojan written in C#.

    trojansheetrat
  • Detects Sheetrat obfuscated V1.8 and higher 1 IoCs

    Sheetrat aka NonEuclid RAT is a trojan written in C#.

  • Detects Sheetrat obfuscated version 1 IoCs
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 15 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 16 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
    defense_evasion
  • Kills process with taskkill 2 IoCs
    defense_evasion
  • Modifies registry class 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 12 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 35 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Unity" /tr "C:\Users\Admin\Documents\MATLAB.exe" & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6124
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Unity" /tr "C:\Users\Admin\Documents\MATLAB.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2516
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:852
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "Microsoft OneNote Host" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Wireshark Host.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo 5 /tn "Microsoft OneNote Host" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Wireshark Host.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4372
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5568
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6036
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5652
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2072
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5236
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:116
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5764
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:824
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2096
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtASks /deLeTe /F /Tn "Unity" & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5508
      • C:\Windows\system32\schtasks.exe
        schtASks /deLeTe /F /Tn "Unity"
        3⤵
          PID:3568
      • C:\Windows\SYSTEM32\CMD.exe
        "CMD" /C taskkill /im explorer.exe /f
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:464
        • C:\Windows\system32\taskkill.exe
          taskkill /im explorer.exe /f
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5676
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtASks /deLeTe /F /Tn "Microsoft OneNote Host" & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Windows\system32\schtasks.exe
          schtASks /deLeTe /F /Tn "Microsoft OneNote Host"
          3⤵
            PID:4424
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB86.tmp.bat""
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Windows\system32\timeout.exe
            timeout 5
            3⤵
            • Delays execution with timeout.exe
            PID:1780
          • C:\Windows\explorer.exe
            explorer.exe
            3⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Enumerates connected drives
            • Checks SCSI registry key(s)
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:4704
          • C:\Windows\system32\taskkill.exe
            taskkill /im MATLAB.exe /f
            3⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4916
          • C:\Windows\system32\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:5812
      • C:\Users\Admin\Documents\MATLAB.exe
        C:\Users\Admin\Documents\MATLAB.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2172
        • C:\Windows\system32\CMD.exe
          "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4012
          • C:\Windows\system32\schtasks.exe
            SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2424
        • C:\Windows\system32\CMD.exe
          "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST & exit
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:1784
          • C:\Windows\system32\schtasks.exe
            SchTaSKs /create /f /sc minute /mo -1 /tn "HandBrake" /tr "C:\Users\Admin\Documents\MATLAB.exe" /RL HIGHEST
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4028
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:3484
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:1932
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5000

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Command Shell

            1
            T1059.003

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Active Setup

            1
            T1547.014

            Winlogon Helper DLL

            1
            T1547.004

            Event Triggered Execution

            1
            T1546

            AppInit DLLs

            1
            T1546.010

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Active Setup

            1
            T1547.014

            Winlogon Helper DLL

            1
            T1547.004

            Event Triggered Execution

            1
            T1546

            AppInit DLLs

            1
            T1546.010

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Defense Evasion

            Modify Registry

            2
            T1112

            Credential Access

            Discovery

            Peripheral Device Discovery

            2
            T1120

            Query Registry

            4
            T1012

            System Information Discovery

            4
            T1082

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            AppCache134335103699337637.txt
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134335103699337637.txt
            • Size 85KB
            • SHA256 163081633bb62ab7ed5a7734cbb4d28bb4a47ec8fa5986ac465cf31df368a24f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            tmpDB86.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmpDB86.tmp.bat
            • Size 214B
            • SHA256 8c6a206d3978c6fce55ca09aafd7c225909a2679ff12ec718bc3b6f6c641b252
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            xdwd.dll
            • Path C:\Windows\xdwd.dll
            • Size 136KB
            • SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3064-0-0x0000000000E00000-0x0000000000E5A000-memory.dmp
            Download

            memory/3064-31-0x000000001C1B0000-0x000000001C1C0000-memory.dmp
            Download

            memory/3064-84-0x000000001C1B0000-0x000000001C1C0000-memory.dmp
            Download

            memory/4704-118-0x0000000004F60000-0x0000000004F61000-memory.dmp
            Download

            memory/5000-119-0x000001D7D8200000-0x000001D7D8300000-memory.dmp
            Download

            memory/5000-120-0x000001D7D8200000-0x000001D7D8300000-memory.dmp
            Download

            memory/5000-124-0x000001D7D9220000-0x000001D7D9240000-memory.dmp
            Download

            memory/5000-155-0x000001D7D95E0000-0x000001D7D9600000-memory.dmp
            Download

            memory/5000-135-0x000001D7D8FD0000-0x000001D7D8FF0000-memory.dmp
            Download