Analysis
- max time kernel
150s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 01:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe
- Size 1.5MB
- Sample260831-cdafkacl7w
- SHA256 f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0
- MD5 5bb3694316ee300798913e84c62b2654
- SHA1 6891bc87c093728dc055a97809fd90ac2f3626b8
- SHA512 b2e498299b30867a69218cd20f915ecefbdf3a79cddb9bc7621d1738a857c5c50df947ce61223f192108f3c2c05662cd341482a248736ddbf9a953144f76469a
- SSDEEP 24576:N76mpHu4q7+uHbBSUldP0v7fE66tsgsQSURrvibas8PyC7mYV:N7TpO4q7rHbBSUldP0v7f8IUhabas4fr
- TLSH T1DC75D53CADA842A6D472CA75C5A1A9CDEA2178127B041FCF21D2534E0D3FBD36D71E29
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5740 Logo1_.exe 2576 f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe - Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: Logo1_.exe File opened (read-only) \??\P: Logo1_.exe File opened (read-only) \??\M: Logo1_.exe File opened (read-only) \??\Z: Logo1_.exe File opened (read-only) \??\Y: Logo1_.exe File opened (read-only) \??\W: Logo1_.exe File opened (read-only) \??\V: Logo1_.exe File opened (read-only) \??\T: Logo1_.exe File opened (read-only) \??\S: Logo1_.exe File opened (read-only) \??\O: Logo1_.exe File opened (read-only) \??\R: Logo1_.exe File opened (read-only) \??\K: Logo1_.exe File opened (read-only) \??\J: Logo1_.exe File opened (read-only) \??\H: Logo1_.exe File opened (read-only) \??\X: Logo1_.exe File opened (read-only) \??\U: Logo1_.exe File opened (read-only) \??\L: Logo1_.exe File opened (read-only) \??\I: Logo1_.exe File opened (read-only) \??\D: Logo1_.exe File opened (read-only) \??\N: Logo1_.exe File opened (read-only) \??\G: Logo1_.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\da-dk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\eu-es\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Mozilla Firefox\defaults\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\pl-pl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\nl-nl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\root\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\de-de\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Offline\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\app\dev\cef\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\sk-sk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Internet Explorer\es-ES\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\oc\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\ar-ae\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\sl-sl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\pt-br\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\nb-no\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Common Files\Adobe\HelpCfg\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\access_output\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\he-il\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\dummy\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\Modules\Example2.Diagnostics\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\fy\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\zh-tw\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe Logo1_.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\Functions\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\de-de\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagementSource\de-DE\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\nl\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\ja\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\en-ae\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\zh-tw\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\de-de\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\misc\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\js\nls\nb-no\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\js\nls\fi-fi\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\he-il\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\zh-tw\_desktop.ini Logo1_.exe File created C:\Program Files\Uninstall Information\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\images\themes\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\fr-fr\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\da-dk\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\it-it\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\ja-jp\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Google\GoogleUpdater\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\ResiliencyLinks\identity_proxy\win10\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\root\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\themes\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\themes\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\ResiliencyLinks\identity_proxy\win10\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Functions\Assertions\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\js\nls\en-gb\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\css\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\nl-nl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\en-il\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\task-handler\js\nls\fi-fi\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ga\LC_MESSAGES\_desktop.ini Logo1_.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rundl132.exe f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe File created C:\Windows\Logo1_.exe f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe File opened for modification C:\Windows\rundl132.exe Logo1_.exe File created C:\Windows\vDll.dll Logo1_.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5860 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Logo1_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe 5740 Logo1_.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4836 wrote to memory of 5860 4836 f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe 88 PID 4836 wrote to memory of 5740 4836 f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe 89 PID 5740 wrote to memory of 4672 5740 Logo1_.exe 90 PID 4672 wrote to memory of 5324 4672 net.exe 92 PID 5860 wrote to memory of 2576 5860 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe"C:\Users\Admin\AppData\Local\Temp\f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aDA49.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5860 -
C:\Users\Admin\AppData\Local\Temp\f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe"C:\Users\Admin\AppData\Local\Temp\f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe"3⤵
- Executes dropped EXE
PID:2576
-
-
-
C:\Windows\Logo1_.exeC:\Windows\Logo1_.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5740 -
C:\Windows\SysWOW64\net.exenet stop "Kingsoft AntiVirus Service"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"4⤵
- System Location Discovery: System Language Discovery
PID:5324
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
- Size 124KB
- SHA256 6bf82a3c30217d93256ebdc9c2b30ed65ff7e017d6b484504831adfa34cc2b3e
- MD5 7268b2bb0907d2decad880e3f897a852
- SHA1 b712cadcd6110e83f6bf11489ce7cdbd2e65b521
- SHA512 4babcd90bc88b52d78c91e90b7e983e8e9adf87e0c9d5f2d120928d2982aa0ae21a2b319ed014fb0a05bfbd2a6a534e7e432c5678da553ef03524e4c5b3efe3f
- SSDEEP 3072:xftffjmNIhUBf8Bo/mu+YDfYz8KrRVwWEhPd4zB+IPFP6n:5VfjmN2G7/fYfLvzB+QFyn
- TLSH T169C38D1371D08871E5B20C3449E1EE619E3FF9620B449EA737C466BE0F317D1DE26A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
- Size 481KB
- SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
- MD5 1db5b390daa2d070657fbdb4f5d2cc55
- SHA1 77e633e49df484b827080753514cc376749b0ceb
- SHA512 68aa0152f5aae79a146c1813915fd16ec5454b285bd1781370923f97d6c147d53684192f7f4161e5c1a340959ec432ecaac127b0abe7d08f70c387e08ee4f617
- SSDEEP 12288:Pp7+ZqIOkU8AMXE9B7PElZlP41N+4PUWfo:R7ABOkUhMXcBwc04nA
- TLSH T116A46D31A6A04037D6F106B3F915D2307E7DA2187B1184AB9394AE2D3EA95D7A7F7303
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\$$aDA49.bat
- Size 722B
- SHA256 0f8eb69897c116a6e91997f71a26bb699378f6558a215575c40a05d13a10ed2c
- MD5 65e47b6ea23944800711e4899c108534
- SHA1 21d97df5e81a1e7b4740aeea7d3fdbb6975d1de5
- SHA512 4de759e418848cd986fb78a4e746d318b87648a8b347f834c9bc9406d6c005da594595b08b4fe39251e0a207985be9a60caaedd7601db98c6ebd6bbf88116049
- TLSH T16E01F580A25749FE485D74534D712C8EC237B8B47D8EB3398372DB0798842B9F1C692D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\f17b0b4071f2a2396b9acdc5e0bd0011368f4cc5636721854cc1870bf1133ae0.exe.exe
- Size 1.5MB
- SHA256 c58513d9d49cfc4a492b40ae3405cfefb9ef715d4df2ace2da64f586b12d50cc
- MD5 d092dff555e92fa9d9528d6c454cab01
- SHA1 73c4a87befd4c6a19c861ecc4e71ef2de9cd7668
- SHA512 cbf522f28a9844fbe38340a7d02345b28a1174ca3f92d7759a5c916699f70cedc3915f8f1850a43337b635739a51ee5538fa10050ca72b16aabef64b84db07d0
- SSDEEP 24576:RmpHu4q7+uHbBSUldP0v7fE66tsgsQSURrvibas8PyC7mYV:0pO4q7rHbBSUldP0v7f8IUhabas4f7mk
- TLSH T1A565D43CADA842A6D472CA75C5A1A9CDEA2178127B041FCF21D2534E0D3FBD36D71E29
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Logo1_.exe
- Size 26KB
- SHA256 c37ff9739719120769919ccccb1bbdcc5ec11c153567c6e098754160e4138c04
- MD5 f8e8b0b1f5e9e30295d203562623e650
- SHA1 92efdb65fbfe2a33dc4061cd6dcd28a4505beb65
- SHA512 68fe8536f994ad38d7b189f7cda94cf9ffeaf2be4226a89a4c0e50aa40350601c34c1e08ea1f72ee9ad827c132ad12a4e216fba46b6edcb7c6edc9b719d2de50
- SSDEEP 768:x1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:nfgLdQAQfcfymN
- TLSH T14DC2F1B923C81638EC265A7CDFD35701833D0B7944AF58772AE28D7F2250768500FA27
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-1738198120-2966725515-3980530802-1000\_desktop.ini
- Size 9B
- SHA256 48fc246849bbf8829b4f8949e19ffb9de4020b7e65df5ab0bdedfdbbdb956880
- MD5 3e7714d68104ffa0b685f025be924834
- SHA1 d91683bde0bea0d8cab7f8d6c29ee9bcf478c625
- SHA512 2dad49b79fae347aac4e1bb7b8bd50dd7c3ad4c9fd2179f3a4fac7c6db24d46cd8d41b38a48f47a3e412cc29682522e22c6afb463c7bb6d14136a918e27f1f2d
- MD5 SHA1 SHA512