Analysis
- user interaction
yes - max time kernel
598s - max time network
385s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/04/2026, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
Celestial.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
Celestial.exe
Resource
win11-20260130-en
General
- Target Celestial.exe
- Size 19.1MB
- Sample260425-tkd6rsfv2r
- SHA256 d1727d7f05c28a2ba1b978f421f9020031e9a2eee2bdcd9ee9a56228e7e4a988
- MD5 0eff54d6a9375518a633424b464670d7
- SHA1 82b7fcadd3f53a07b6149b1037c20568f3294ff8
- SHA512 9bba970e460a57f8e2001fcc2bd44b23dcf1f0b8e426f21a8d622b3e0dcd655cb1d57d1bb2d0a503a621664b868fa123b0a3cf31a5599181b58918bc408fafd0
- SSDEEP 24576:h446IadUZih68UnoJoZCHTcIFA6a7dLgmLrWq97koX2E73hwosc:56ltpUoCZs5PmLrWqeWq
- TLSH T1CE17337B82EE4394C45C043112300D595A1A9B2466D69B760D1C2EFAFAFE7C3BF43B99
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 2 IoCs
resource yara_rule behavioral1/memory/2944-0-0x000001F012490000-0x000001F0125B3000-memory.dmp family_donutloader behavioral1/memory/2944-12-0x000001F02CF70000-0x000001F02D161000-memory.dmp family_donutloader - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 320 powershell.exe 4204 powershell.exe 2064 powershell.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-312252282-3884318443-358092420-1000\Control Panel\International\Geo\Nation Celestial.exe Key value queried \REGISTRY\USER\S-1-5-21-312252282-3884318443-358092420-1000\Control Panel\International\Geo\Nation CoreWorker_UjiTYhaLKpjIiWL.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Repair.lnk Celestial.exe - Executes dropped EXE 2 IoCs
pid Process 3684 CoreWorker_UjiTYhaLKpjIiWL.exe 4252 CoreWorker_UjiTYhaLKpjIiWL.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312252282-3884318443-358092420-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CoreWorker_UjiTYhaLKpjIiWL = "C:\\Users\\Admin\\AppData\\Local\\MpDefenderCoreFolder\\CoreWorker_UjiTYhaLKpjIiWL.exe" Celestial.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ip-api.com - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Celestial.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Celestial.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4316 timeout.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe 2944 Celestial.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2944 Celestial.exe Token: SeDebugPrivilege 2944 Celestial.exe Token: SeDebugPrivilege 320 powershell.exe Token: SeDebugPrivilege 3684 CoreWorker_UjiTYhaLKpjIiWL.exe Token: SeDebugPrivilege 3684 CoreWorker_UjiTYhaLKpjIiWL.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeIncreaseQuotaPrivilege 2064 powershell.exe Token: SeSecurityPrivilege 2064 powershell.exe Token: SeTakeOwnershipPrivilege 2064 powershell.exe Token: SeLoadDriverPrivilege 2064 powershell.exe Token: SeSystemProfilePrivilege 2064 powershell.exe Token: SeSystemtimePrivilege 2064 powershell.exe Token: SeProfSingleProcessPrivilege 2064 powershell.exe Token: SeIncBasePriorityPrivilege 2064 powershell.exe Token: SeCreatePagefilePrivilege 2064 powershell.exe Token: SeBackupPrivilege 2064 powershell.exe Token: SeRestorePrivilege 2064 powershell.exe Token: SeShutdownPrivilege 2064 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeSystemEnvironmentPrivilege 2064 powershell.exe Token: SeRemoteShutdownPrivilege 2064 powershell.exe Token: SeUndockPrivilege 2064 powershell.exe Token: SeManageVolumePrivilege 2064 powershell.exe Token: 33 2064 powershell.exe Token: 34 2064 powershell.exe Token: 35 2064 powershell.exe Token: 36 2064 powershell.exe Token: SeIncreaseQuotaPrivilege 2064 powershell.exe Token: SeSecurityPrivilege 2064 powershell.exe Token: SeTakeOwnershipPrivilege 2064 powershell.exe Token: SeLoadDriverPrivilege 2064 powershell.exe Token: SeSystemProfilePrivilege 2064 powershell.exe Token: SeSystemtimePrivilege 2064 powershell.exe Token: SeProfSingleProcessPrivilege 2064 powershell.exe Token: SeIncBasePriorityPrivilege 2064 powershell.exe Token: SeCreatePagefilePrivilege 2064 powershell.exe Token: SeBackupPrivilege 2064 powershell.exe Token: SeRestorePrivilege 2064 powershell.exe Token: SeShutdownPrivilege 2064 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeSystemEnvironmentPrivilege 2064 powershell.exe Token: SeRemoteShutdownPrivilege 2064 powershell.exe Token: SeUndockPrivilege 2064 powershell.exe Token: SeManageVolumePrivilege 2064 powershell.exe Token: 33 2064 powershell.exe Token: 34 2064 powershell.exe Token: 35 2064 powershell.exe Token: 36 2064 powershell.exe Token: SeIncreaseQuotaPrivilege 2064 powershell.exe Token: SeSecurityPrivilege 2064 powershell.exe Token: SeTakeOwnershipPrivilege 2064 powershell.exe Token: SeLoadDriverPrivilege 2064 powershell.exe Token: SeSystemProfilePrivilege 2064 powershell.exe Token: SeSystemtimePrivilege 2064 powershell.exe Token: SeProfSingleProcessPrivilege 2064 powershell.exe Token: SeIncBasePriorityPrivilege 2064 powershell.exe Token: SeCreatePagefilePrivilege 2064 powershell.exe Token: SeBackupPrivilege 2064 powershell.exe Token: SeRestorePrivilege 2064 powershell.exe Token: SeShutdownPrivilege 2064 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeSystemEnvironmentPrivilege 2064 powershell.exe Token: SeRemoteShutdownPrivilege 2064 powershell.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2944 wrote to memory of 4684 2944 Celestial.exe 86 PID 2944 wrote to memory of 4684 2944 Celestial.exe 86 PID 2944 wrote to memory of 3816 2944 Celestial.exe 87 PID 2944 wrote to memory of 3816 2944 Celestial.exe 87 PID 2944 wrote to memory of 3312 2944 Celestial.exe 94 PID 3312 wrote to memory of 320 3312 cmd.exe 96 PID 2944 wrote to memory of 3684 2944 Celestial.exe 100 PID 2944 wrote to memory of 3192 2944 Celestial.exe 101 PID 3192 wrote to memory of 4316 3192 cmd.exe 103 PID 3684 wrote to memory of 2064 3684 CoreWorker_UjiTYhaLKpjIiWL.exe 104 PID 3684 wrote to memory of 1272 3684 CoreWorker_UjiTYhaLKpjIiWL.exe 106 PID 1272 wrote to memory of 4204 1272 cmd.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\Celestial.exe"C:\Users\Admin\AppData\Local\Temp\Celestial.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵PID:4684
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:3816
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"2⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:320
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C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe"C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command " $action = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe' $trigger = New-ScheduledTaskTrigger -AtLogOn Register-ScheduledTask -Action $action -Trigger $trigger -TaskName 'CoreWorker_UjiTYhaLKpjIiWL-458' -RunLevel Highest "3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2064
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"3⤵
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:4204
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C timeout /t 4 /nobreak >nul & Del "C:\Users\Admin\AppData\Local\Temp\Celestial.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\system32\timeout.exetimeout /t 4 /nobreak3⤵
- Delays execution with timeout.exe
PID:4316
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:3924
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:3928
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C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exeC:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe1⤵
- Executes dropped EXE
PID:4252
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- TLSH T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 948B
- SHA256 b62bfbcf935d19079f0ed75da01f4acf5faa124a44580c74e18623c183668499
- MD5 7c826cf491c76155074282f424bdb5c5
- SHA1 14fd208875b37b3d2eaed145e74745c579deb113
- SHA512 219b1ba0a47aa9d487758f97e0cbe17ba65fe7bb1a1b0cfdd81b23253b75143075ca989f9fcbce12bc5807950ba72746994fceeac79c3e55ba91f65ca89ea624
- TLSH T1BD114563F38D8920CC96163A509DAC5172B686CB81AFDF9F7FC0D210E1BF984DB61294
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 f1320df712bf0d218f62a481ea318abfaba12a6465f9d2e07a6ead9d9bd28d9f
- MD5 97748f71ed95026706014e8524266292
- SHA1 f60663ea2e2a778c57d07d9678fe04c79c3ff942
- SHA512 b6df8e3eea09cdd6964bb7801a615df38a3043a2961176ec275fef531a8378fd0d21ee96d01165d192b32d0eddc021ad82fa609ab216005a60bf42b79e1e86c9
- TLSH T1EE219B23B3DD8820CCD5153A108D9C5072A682C781DFDF9F2FC0C21195BFAC8CB21190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe
- Size 13KB
- SHA256 bc6511281d835b9f71cc393e7cd0e280eaeaf20fb8fbbba309d0857db7d307fd
- MD5 852e751d344565c78e68126c6a22c697
- SHA1 2cf942b043fa9c08891db34f537287a8b1e83023
- SHA512 19f10a16f849009d2fa3975ff5784cd5ee026d85572ec7568e8a3aa30cd9ae963be70778768bb8d279b152d49a7414dcfc2310c437e194dc219f815d41d8429a
- SSDEEP 192:vfEDVIYxbladn5GBTcigrmblB9aZuG/xOkt7EkrVEMcRDTQ6W7vm:nEN+d0TJgrmblB9guwQAAEEMcxFW7v
- TLSH T1B652E905BBF0C166E5BA4B7499F359045A33F7624932CE5F24CC818F4B27680ADE1FA6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_idr3vgwm.rn4.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH