Analysis
- user interaction
yes - max time kernel
35s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/09/2026, 15:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
AstralClient.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target AstralClient.exe
- Size 9.0MB
- Sample260907-sdqqjsxwax
- SHA256 8087800643a23250a245810ff423fa65c79f6145ffc4610da6b6cbc745ef5c78
- MD5 d954ad632c1c16afdef417638a416f17
- SHA1 48c0175c3719468fcf2984f3b7c79292008db4d4
- SHA512 b194c2272dde4526787d6f826c3688dfbcfba0c976c9c15c58134470d71c8bcd1cdb0235fa878ddd2b02f7dbaabe1b2b5c89eef5c9ef2821cb85a74f0202132e
- SSDEEP 98304:fLcnBW/M0x2CFnOVn+bMkz6StXzvm0rtiSVEH/Wjzge15K0yY9W1gdY0B/Wjzge/:zbko6SfYksu8c5T9WKdpu8c5
- TLSH T11B96CF86B3944099C067C238CA6BDBA6E3357C055B216FEB2144BE1B3F73AD06E39751
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation AstralClient.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe - Modifies registry class 31 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1748 explorer.exe 4052 explorer.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe 1376 AstralClient.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1376 AstralClient.exe 1748 explorer.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1376 AstralClient.exe - Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1376 AstralClient.exe 1376 AstralClient.exe 1748 explorer.exe 1748 explorer.exe 1748 explorer.exe 1748 explorer.exe 1748 explorer.exe 1748 explorer.exe 4052 explorer.exe 4052 explorer.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1376 wrote to memory of 2668 1376 AstralClient.exe 86 PID 1376 wrote to memory of 2584 1376 AstralClient.exe 99 PID 1376 wrote to memory of 5092 1376 AstralClient.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\AstralClient.exe"C:\Users\Admin\AppData\Local\Temp\AstralClient.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\explorer.exe"C:\Windows\explorer.exe" shell:AppsFolder\Microsoft.MinecraftUWP_8wekyb3d8bbwe!App2⤵PID:2668
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C:\Windows\explorer.exe"C:\Windows\explorer.exe" shell:AppsFolder\Microsoft.MinecraftUWP_8wekyb3d8bbwe!App2⤵PID:2584
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C:\Windows\explorer.exe"C:\Windows\explorer.exe" shell:AppsFolder\Microsoft.MinecraftUWP_8wekyb3d8bbwe!App2⤵PID:5092
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C:\Windows\explorer.exe"C:\Windows\explorer.exe" shell:AppsFolder\Microsoft.MinecraftUWP_8wekyb3d8bbwe!App2⤵PID:1088
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1748
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4052
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵PID:4916
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵PID:1480