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

  • user interaction
    yes
  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/09/2026, 16:10

Sharing

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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
sheet_kzmcescgwtjsuthvrdiscoverysheetratpersistenceransomwaretrojan

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 58 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 63 IoCs
  • Suspicious use of SetWindowsHookEx 5 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
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SYSTEM32\shutdown.exe
      "shutdown.exe" /r /t 0 /f
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4060
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:1796
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3492
    • 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:2880
    • 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:5116
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3978855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:4556

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          AppCache134329254973086743.txt
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134329254973086743.txt
          • Size 84KB
          • SHA256 0c22193a082c822272a154fbeb5537e72a1b8312da7624666a705246ba78d225
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          memory/1568-33-0x000000001BA10000-0x000000001BA20000-memory.dmp
          Download

          memory/1568-98-0x000000001BDD0000-0x000000001BE46000-memory.dmp
          Download

          memory/1568-99-0x0000000002850000-0x000000000285C000-memory.dmp
          Download

          memory/1568-100-0x000000001B9F0000-0x000000001BA0E000-memory.dmp
          Download

          memory/1568-133-0x000000001BA10000-0x000000001BA20000-memory.dmp
          Download

          memory/1568-198-0x0000000002790000-0x000000000279A000-memory.dmp
          Download

          memory/1568-0-0x0000000000690000-0x0000000000722000-memory.dmp
          Download

          memory/3492-253-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
          Download

          memory/3492-453-0x000000000D6D0000-0x000000000D8E9000-memory.dmp
          Download

          memory/3492-1165-0x000000000D6D0000-0x000000000D8E9000-memory.dmp
          Download

          memory/5116-282-0x0000023916120000-0x0000023916140000-memory.dmp
          Download

          memory/5116-302-0x0000023916530000-0x0000023916550000-memory.dmp
          Download

          memory/5116-259-0x0000023915140000-0x0000023915240000-memory.dmp
          Download

          memory/5116-265-0x0000023916160000-0x0000023916180000-memory.dmp
          Download