Analysis
- max time kernel
150s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 03:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe
- Size 313KB
- Sample260804-d5fbka1eld
- SHA256 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63
- MD5 9907b668bd3cfe357d569ad82fedbbdf
- SHA1 744a3ad422fdd55b6586c129fb5a48f18e7bec42
- SHA512 f08980d9b084ed77fad26a9182f7fbcb336e3fedd78f95ac369ecfbfc2b109b67cf72ea5b1a91201dce5a9f86a577e5dfae62ff9bf85ef77d11d88ccd284b1fc
- SSDEEP 6144:CzVfjmNO5tM4+u7oLKlTzQTFHbi7fu4s43y352J:CJ7+WtX+u7QIfOFG7fd
- TLSH T1D1645B5AF3648CF5E866C13ECD42D78AD7B2B8168B65D34F1360875B2F232A19D2D312
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4868 Logo1_.exe 4532 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.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) \??\V: Logo1_.exe File opened (read-only) \??\Q: Logo1_.exe File opened (read-only) \??\I: Logo1_.exe File opened (read-only) \??\H: Logo1_.exe File opened (read-only) \??\W: Logo1_.exe File opened (read-only) \??\U: Logo1_.exe File opened (read-only) \??\S: Logo1_.exe File opened (read-only) \??\O: Logo1_.exe File opened (read-only) \??\J: Logo1_.exe File opened (read-only) \??\D: Logo1_.exe File opened (read-only) \??\Y: Logo1_.exe File opened (read-only) \??\R: Logo1_.exe File opened (read-only) \??\P: Logo1_.exe File opened (read-only) \??\K: Logo1_.exe File opened (read-only) \??\M: Logo1_.exe File opened (read-only) \??\Z: Logo1_.exe File opened (read-only) \??\X: Logo1_.exe File opened (read-only) \??\T: Logo1_.exe File opened (read-only) \??\N: Logo1_.exe File opened (read-only) \??\L: 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 (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\files\dev\_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\en-ae\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Trust Protection Lists\Sigma\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\edge_feedback\_desktop.ini Logo1_.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\_desktop.ini Logo1_.exe File created C:\Program Files\Windows Defender\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\hr-hr\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\en-ae\_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\sv-se\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\es-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\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\tracked-send\js\plugins\tracked-send\js\nls\de-de\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\sl-sl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\es-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\hu-hu\_desktop.ini Logo1_.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\_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\ko-kr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\de-DE\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\cs\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\en-ae\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\sk-sk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{78329DD2-943A-47BA-B763-81DEA89FE76C}\MicrosoftEdge_X64_139.0.3405.125.exe Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_proxy\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\fr-ma\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\ro-ro\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\zh-cn\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\sv-se\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\ca-es\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\VisualElements\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Localized_images\it-it\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\ResiliencyLinks\WidevineCdm\_desktop.ini Logo1_.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\root\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account-select\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\sl-si\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\sl-sl\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\ko-kr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\ResiliencyLinks\VisualElements\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\WindowsPowerShell\Configuration\Schema\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\de-de\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\it-it\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Extensions\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\th\LC_MESSAGES\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\ko-kr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\eu-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\cs-cz\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.30704.0_x64__8wekyb3d8bbwe\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\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\ob-preview\images\themeless\_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\ro-ro\_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\ru-ru\_desktop.ini Logo1_.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Logo1_.exe a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe File opened for modification C:\Windows\rundl132.exe Logo1_.exe File created C:\Windows\vDll.dll Logo1_.exe File created C:\Windows\rundl132.exe a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.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 4968 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 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.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 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe 4868 Logo1_.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2692 wrote to memory of 4968 2692 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe 89 PID 2692 wrote to memory of 4868 2692 a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe 90 PID 4868 wrote to memory of 4920 4868 Logo1_.exe 91 PID 4920 wrote to memory of 2340 4920 net.exe 93 PID 4968 wrote to memory of 4532 4968 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a1B10.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe"3⤵
- Executes dropped EXE
PID:4532
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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:4868 -
C:\Windows\SysWOW64\net.exenet stop "Kingsoft AntiVirus Service"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"4⤵
- System Location Discovery: System Language Discovery
PID:2340
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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 109a7784f80a4af3a3d3e4e8e5c91bb9448e90be750f06470ec6b8634da9a4d3
- MD5 8d34c909f112666e16e0c3e1ba42a494
- SHA1 1f7c8135e250606cccac610e049b89a288483aa8
- SHA512 c0c7b2411581e69e8becbf9bff56d4a750e9dff7f6ed64299a220b45c43d34a60bb2aa336ff742f0b225190209c3f224198b4a01f087a060ae936dc2429c1022
- SSDEEP 3072:/jftffjmNIhUBf8Bo/mu+YDfYz8KrRVwWEhPd4zB+IPFP6n:/zVfjmN2G7/fYfLvzB+QFyn
- TLSH T1D3C38D1771D08871E5B20C3049E1EA619E3FF9620B449EA737C466BE0F317D1DE26A6A
- 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\$$a1B10.bat
- Size 722B
- SHA256 60eb1aedf14beacb21ad0b0b7dddbb636264908c0eb7d66668567fe07575f170
- MD5 c57e1025427c21945b36f19ac6d4a087
- SHA1 e7136c25cddd9831ce7071bb68712aa911bad199
- SHA512 6a303d0197f704fd4b451ee74c4dd286968f96890a349fddfb88a38afd066eb6a47740421b477f946655bc53d9821486b72aebcfdb1562c16a5b2bbbb8f4e666
- TLSH T1D0016D17C4ABCAAB167FC0630BA770CDD0A1486DB6B7F3949AB1935910D2405E2F3A81
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\a1a2d220550575d543fc08c8a65f8e8936233af94d9dfddbf72aacbd76f45e63.exe.exe
- Size 287KB
- SHA256 f730989550acfe83250367332d0717733160073556d843175000b797dad481b3
- MD5 ea6047f0269050fa4baa55e1fd5ce104
- SHA1 23a155df9a8e79c6a306457a4a1b970a18185e86
- SHA512 78b172bc5e319f54fbd38c1f19f1a39490c81a803e8040f9196d108df692c3110c6d5474be00c01c8345b531b8064a42886b96785fd33d1e4c5044b1f45ee20d
- SSDEEP 3072:u66SaptsOEK240Xu7SnUpfuvilTKuQTFAQu8ikqigb+zPQu4s431FNofwIJrd45P:i5tM4+u7oLKlTzQTFHbi7fu4s43y352J
- TLSH T19D544A5AF3648CF1E866C17ECD42D78AE7B2B8168B65D34F1360875B2F232A19D2D311
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Logo1_.exe
- Size 26KB
- SHA256 3bb60e8cfe0ffd2e771c2382401f634b2194d8883a42716bc46cf132ac163150
- MD5 0901dc82d2fca942701b9f12bc1fd530
- SHA1 6913b4c6a6ce2c7e162e986fe74cb5c135af37ac
- SHA512 9b1913e0641f72b7d1e9f8066266a50f1c4ee5ec0ea7432ece057f6db8636d9eaa507d5137f796015d27511563a75093890bd4b5d54d3c1dac750eab658a6c41
- SSDEEP 768:mHF1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:CjfgLdQAQfcfymN
- TLSH T108C2E17E22C81638D8150D7DDFD39741833D0BB995DF54AA2AE1AD7F2260768100FA3B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-3989226554-2204910950-1522900112-1000\_desktop.ini
- Size 8B
- SHA256 5faf71987eb0e4eedba10fbde77dc0c4d900740a123d4afbd05c219220d6fe31
- MD5 7acd53b75847779af460d8a79f0c22db
- SHA1 abaf1bfa56e7a8d57966c4b87dfbe40ccaa70606
- SHA512 b52c9dbaac1fa9d6feb7eb186b129891eda171425af372b801f97082c14bf4ea25da52ffefd905e680719d10a3045e68e166674f9f06e573982e9038e8349534
- MD5 SHA1 SHA512