Overview

overview

10

Static

static

10

test.exe

windows10-2004-x64

test.exe

windows11-ltsc_2024-x64

Resubmissions

03/09/2026, 17:28

260903-v2edjacq6w10

03/09/2026, 16:10

260903-tmp12sad2310

03/09/2026, 16:07

260903-tkszxsxsgw10

Analysis

  • max time kernel
    100s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 16:10

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Errors

Reason
Machine shutdown

General

  • Target
    test.exe
  • Size 559KB
  • Sample260903-tmp12sad23
  • SHA256 59083faee374f8c6e2358fdf3ad26fc5e8e9f927b333b7b16525a57ee62a2cec
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaresheet_kzmcescgwtjsuthvrdiscoverysheetratpersistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • sheetrat

Campaign

  • Sheet_kzmcescgwtjsuthvr

C2

  • 43.228.157.121:8848

Signatures

  • Family: Sheetrat, NonEuclid rat

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

    trojansheetrat
  • Detects Sheetrat obfuscated V1.8 and higher 2 IoCs

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

  • Detects Sheetrat obfuscated version 2 IoCs
  • 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4892
    • C:\Windows\SYSTEM32\shutdown.exe
      "shutdown.exe" /r /t 0 /f
      2⤵
        PID:5560
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:120
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:5180
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:856
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2436
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1900
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x4 /state0:0xa39c1855 /state1:0x41c64e6d
        1⤵
          PID:3536
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:2944
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k CameraMonitor
            1⤵
              PID:6020

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  prep_Activatable Class_Hermes_perf.cache
                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                  • Size 595B
                  • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  xdwdCCleaner.exe
                  • Path C:\Windows\xdwdCCleaner.exe
                  • Size 559KB
                  • SHA256 59083faee374f8c6e2358fdf3ad26fc5e8e9f927b333b7b16525a57ee62a2cec
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  memory/856-1107-0x00000000038F0000-0x00000000038F1000-memory.dmp
                  Download

                  memory/2436-212-0x00000275801E0000-0x00000275802E0000-memory.dmp
                  Download

                  memory/2436-255-0x0000027581DE0000-0x0000027581E00000-memory.dmp
                  Download

                  memory/2436-213-0x00000275801E0000-0x00000275802E0000-memory.dmp
                  Download

                  memory/2436-211-0x00000275801E0000-0x00000275802E0000-memory.dmp
                  Download

                  memory/2436-237-0x0000027581A00000-0x0000027581A20000-memory.dmp
                  Download

                  memory/2436-239-0x0000027581E60000-0x0000027581F60000-memory.dmp
                  Download

                  memory/2436-269-0x0000027594260000-0x0000027594280000-memory.dmp
                  Download

                  memory/4892-6-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-0-0x00007FFFA3D6F000-0x00007FFFA3D70000-memory.dmp
                  Download

                  memory/4892-107-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-204-0x0000000003080000-0x000000000308A000-memory.dmp
                  Download

                  memory/4892-105-0x0000000003070000-0x000000000307C000-memory.dmp
                  Download

                  memory/4892-104-0x000000001EF20000-0x000000001EF96000-memory.dmp
                  Download

                  memory/4892-36-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-106-0x000000001C3D0000-0x000000001C3EE000-memory.dmp
                  Download

                  memory/4892-5-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-4-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-3-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-2-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-1106-0x00007FFFA3BE0000-0x00007FFFA4584000-memory.dmp
                  Download

                  memory/4892-1-0x0000000000DB0000-0x0000000000E42000-memory.dmp
                  Download