Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2023 18:31
Behavioral task
behavioral1
Sample
a9401f125c0d374a3730bbcce97cedf4.exe
Resource
win7-20230220-en
General
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Target
a9401f125c0d374a3730bbcce97cedf4.exe
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Size
17.0MB
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MD5
a9401f125c0d374a3730bbcce97cedf4
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SHA1
cd08b77fee21ab4b07748ef13de3346e597b3f4b
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SHA256
490f16c9cc592b36d5835ebdffe6567b49b82dc3e3104dc355a25953aff9ff79
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SHA512
b580d38d9d30d3173d845d8ec8fce3b1e7587438ccb84939574cc42520d785c27d5757880cc43801ad4c7d42e9a1d2f2e75705e2dd85b9bdda429b0934521a48
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SSDEEP
393216:8uDuv1P8S71svm2bmMQhJHMEeBYRgqxvQP1W:qvqSiNRQsEyYRgOIP8
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4124-153-0x0000000000400000-0x0000000002927000-memory.dmp upx behavioral2/memory/4124-214-0x0000000000400000-0x0000000002927000-memory.dmp upx -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a9401f125c0d374a3730bbcce97cedf4.exerfusclient.exerutserv.exerfusclient.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation a9401f125c0d374a3730bbcce97cedf4.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation rfusclient.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation rutserv.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation rfusclient.exe -
Drops file in System32 directory 10 IoCs
Processes:
rutserv.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5 rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C86BD7751D53F10F65AAAD66BBDF33C7 rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5 rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C86BD7751D53F10F65AAAD66BBDF33C7 rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66AE3BFDF94A732B262342AD2154B86E_DDC6638534E8608691DE0CEAFF22DE0F rutserv.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66AE3BFDF94A732B262342AD2154B86E_DDC6638534E8608691DE0CEAFF22DE0F rutserv.exe -
Executes dropped EXE 4 IoCs
Processes:
rfusclient.exerutserv.exerutserv.exerfusclient.exepid Process 1884 rfusclient.exe 4756 rutserv.exe 1564 rutserv.exe 1276 rfusclient.exe -
Loads dropped DLL 4 IoCs
Processes:
rutserv.exerutserv.exepid Process 4756 rutserv.exe 4756 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 46 IoCs
Processes:
rutserv.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs rutserv.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\windows.storage.dll,-9216 = "This PC" rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates rutserv.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\ieframe.dll,-5723 = "The Internet" rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs rutserv.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\prnfldr.dll,-8036 = "Printers" rutserv.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\NetworkExplorer.dll,-1 = "Network" rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs rutserv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs rutserv.exe -
Processes:
rutserv.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43 rutserv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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 rutserv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 04000000010000001000000087ce0b7b2a0e4900e158719b37a893720300000001000000140000000563b8630d62d75abbc8ab1e4bdfb5a899b24d431d00000001000000100000004f5f106930398d09107b40c3c7ca8f1c0b000000010000001200000044006900670069004300650072007400000014000000010000001400000045eba2aff492cb82312d518ba7a7219df36dc80f6200000001000000200000003e9099b5015e8f486c00bcea9d111ee721faba355a89bcf1df69561e3dc6325c090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308530000000100000040000000303e301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00f00000001000000140000006dca5bd00dcf1c0f327059d374b29ca6e3c50aa62000000001000000bb030000308203b73082029fa00302010202100ce7e0e517d846fe8fe560fc1bf03039300d06092a864886f70d01010505003065310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312430220603550403131b4469676943657274204173737572656420494420526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3065310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312430220603550403131b4469676943657274204173737572656420494420526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100ad0e15cee443805cb187f3b760f97112a5aedc269488aaf4cef520392858600cf880daa9159532613cb5b128848a8adc9f0a0c83177a8f90ac8ae779535c31842af60f98323676ccdedd3ca8a2ef6afb21f25261df9f20d71fe2b1d9fe1864d2125b5ff9581835bc47cda136f96b7fd4b0383ec11bc38c33d9d82f18fe280fb3a783d6c36e44c061359616fe599c8b766dd7f1a24b0d2bff0b72da9e60d08e9035c678558720a1cfe56d0ac8497c3198336c22e987d0325aa2ba138211ed39179d993a72a1e6faa4d9d5173175ae857d22ae3f014686f62879c8b1dae45717c47e1c0eb0b492a656b3bdb297edaaa7f0b7c5a83f9516d0ffa196eb085f18774f0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041445eba2aff492cb82312d518ba7a7219df36dc80f301f0603551d2304183016801445eba2aff492cb82312d518ba7a7219df36dc80f300d06092a864886f70d01010505000382010100a20ebcdfe2edf0e372737a6494bff77266d832e4427562ae87ebf2d5d9de56b39fccce1428b90d97605c124c58e4d33d834945589735691aa847ea56c679ab12d8678184df7f093c94e6b8262c20bd3db32889f75fff22e297841fe965ef87e0dfc16749b35debb2092aeb26ed78be7d3f2bf3b726356d5f8901b6495b9f01059bab3d25c1ccb67fc2f16f86c6fa6468eb812d94eb42b7fa8c1edd62f1be5067b76cbdf3f11f6b0c3607167f377ca95b6d7af112466083d72704be4bce97bec3672a6811df80e70c3366bf130d146ef37f1f63101efa8d1b256d6c8fa5b76101b1d2a326a110719dade2c3f9c39951b72b0708ce2ee650b2a7fa0a452fa2f0f2 rutserv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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 rutserv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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 rutserv.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
rfusclient.exerutserv.exerutserv.exerfusclient.exepid Process 1884 rfusclient.exe 1884 rfusclient.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1276 rfusclient.exe 1276 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
rutserv.exerutserv.exedescription pid Process Token: SeDebugPrivilege 4756 rutserv.exe Token: SeTakeOwnershipPrivilege 1564 rutserv.exe Token: SeTcbPrivilege 1564 rutserv.exe Token: SeTcbPrivilege 1564 rutserv.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
rfusclient.exepid Process 1276 rfusclient.exe 1276 rfusclient.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
rfusclient.exepid Process 1276 rfusclient.exe 1276 rfusclient.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
rutserv.exerutserv.exepid Process 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 4756 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe 1564 rutserv.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a9401f125c0d374a3730bbcce97cedf4.exerfusclient.exerutserv.exedescription pid Process procid_target PID 4124 wrote to memory of 1884 4124 a9401f125c0d374a3730bbcce97cedf4.exe 83 PID 4124 wrote to memory of 1884 4124 a9401f125c0d374a3730bbcce97cedf4.exe 83 PID 4124 wrote to memory of 1884 4124 a9401f125c0d374a3730bbcce97cedf4.exe 83 PID 1884 wrote to memory of 4756 1884 rfusclient.exe 84 PID 1884 wrote to memory of 4756 1884 rfusclient.exe 84 PID 1884 wrote to memory of 4756 1884 rfusclient.exe 84 PID 1564 wrote to memory of 1276 1564 rutserv.exe 91 PID 1564 wrote to memory of 1276 1564 rutserv.exe 91 PID 1564 wrote to memory of 1276 1564 rutserv.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\a9401f125c0d374a3730bbcce97cedf4.exe"C:\Users\Admin\AppData\Local\Temp\a9401f125c0d374a3730bbcce97cedf4.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rfusclient.exe"C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rfusclient.exe" -run_agent2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rutserv.exe"C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rutserv.exe" -run_agent3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4756 -
C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rutserv.exe"C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rutserv.exe" -run_agent -second4⤵
- Drops file in System32 directory
- Executes dropped EXE
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rfusclient.exe"C:\Users\Admin\AppData\Roaming\RMS Agent\70170\8E6EA8A788\rfusclient.exe" /tray /user5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1276
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD57fd09e69fa62629a04d1e23bb8ca5ff6
SHA13952c5f339c8bbdf17aff113bcb0149ac8ce4fa6
SHA256f9c56736029b7d278bf8fabc6e0f5bdac67e24b088f2172ea07df2baa3072c19
SHA512e66d523eb5bdfc517749b608ffcd66b883be9c4b8c5c42dbf7e48fe412a5c0ca0876d0dbc8a68355e7bb532ce8749c5e444a25f996b4c27e382e79579ab2b59a
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Filesize
308B
MD5586ee93210b342829be1b5f8129da7c3
SHA1fdb07372df280420cd165e956b1f689b8cc309fb
SHA2566fb9cb4f333af078256216b0db8fa7c384d57965efe771d517ef09e6d7decd3a
SHA51285e81b1bb4cbf1b6c6e0715f93d1741b27e8ff1e9c68df752025c58453b488b72c0ad6d7d9e8a04bec48db64be41abccfd0f1d31c9469b8f9c44061d49a64373
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Filesize
308B
MD5586ee93210b342829be1b5f8129da7c3
SHA1fdb07372df280420cd165e956b1f689b8cc309fb
SHA2566fb9cb4f333af078256216b0db8fa7c384d57965efe771d517ef09e6d7decd3a
SHA51285e81b1bb4cbf1b6c6e0715f93d1741b27e8ff1e9c68df752025c58453b488b72c0ad6d7d9e8a04bec48db64be41abccfd0f1d31c9469b8f9c44061d49a64373
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Filesize
51KB
MD54e84df6558c385bc781cddea34c9fba3
SHA16d63d87c19c11bdbfa484a5835ffffd7647296c8
SHA2560526073f28a3b5999528bfa0e680d668922499124f783f02c52a3b25c367ef6d
SHA512c35da0744568bfffeff09e6590d059e91e5d380c5feb3a0fbc5b19477ceca007a882884a7033345ce408fce1deac5248ad9b046656478d734fe494b787f8a9f2
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Filesize
51KB
MD54e84df6558c385bc781cddea34c9fba3
SHA16d63d87c19c11bdbfa484a5835ffffd7647296c8
SHA2560526073f28a3b5999528bfa0e680d668922499124f783f02c52a3b25c367ef6d
SHA512c35da0744568bfffeff09e6590d059e91e5d380c5feb3a0fbc5b19477ceca007a882884a7033345ce408fce1deac5248ad9b046656478d734fe494b787f8a9f2
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Filesize
1.3MB
MD55222eaf78313758b0520be16e3f8392e
SHA19c7cc8fb340618fef38422cf0c75c4c9bfb216e2
SHA2564771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5
SHA512459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812
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Filesize
1.3MB
MD55222eaf78313758b0520be16e3f8392e
SHA19c7cc8fb340618fef38422cf0c75c4c9bfb216e2
SHA2564771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5
SHA512459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812
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Filesize
1.3MB
MD55222eaf78313758b0520be16e3f8392e
SHA19c7cc8fb340618fef38422cf0c75c4c9bfb216e2
SHA2564771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5
SHA512459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812
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Filesize
1.3MB
MD55222eaf78313758b0520be16e3f8392e
SHA19c7cc8fb340618fef38422cf0c75c4c9bfb216e2
SHA2564771b71a48190504094d104087dd431c1c40bde6fad0338a86aa42f7f2a457a5
SHA512459503146f963c64777c56176e480e3334c5bcff2bfef14fc2925b38f1f32117c387dc957789e1691a68798c004c9e672460bda51edcc7b45fb0e1553bf66812
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Filesize
52KB
MD5454b9f418f22fcfc5129187a48999d70
SHA1ac5487595b50fac6bf7428ece749877ddd5d984b
SHA256919f730bb4f14e498e77d80ff942b7a475d56d6ff51ef0430de6aabbc248fd25
SHA512fa90e133f832c2c4e897bf5dc6754b7163727d294dd4144fe61b887248c52530d738fe981630cb0f14b47d1b118f6f968725234f706fd94b2337662594a70c9a
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Filesize
52KB
MD5454b9f418f22fcfc5129187a48999d70
SHA1ac5487595b50fac6bf7428ece749877ddd5d984b
SHA256919f730bb4f14e498e77d80ff942b7a475d56d6ff51ef0430de6aabbc248fd25
SHA512fa90e133f832c2c4e897bf5dc6754b7163727d294dd4144fe61b887248c52530d738fe981630cb0f14b47d1b118f6f968725234f706fd94b2337662594a70c9a
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Filesize
10.2MB
MD506208aa91f0f77d6c9b989f65803382a
SHA175e37439e6d1537fadf38c758df3a9fb232313cf
SHA256d576d6fcfdae0ac29d5b040847929b2f8a83436f6b2160a88e8c5ebc119654c5
SHA512a31e9c4c860873155690b90fb8f6d9ca30b084aa32ac94bb7e8ad90ca8d6d89349dc4924eafb2b689ef9ebaf5faa264d9f6c062818d844d17baae7793ba2ec1e
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Filesize
10.2MB
MD506208aa91f0f77d6c9b989f65803382a
SHA175e37439e6d1537fadf38c758df3a9fb232313cf
SHA256d576d6fcfdae0ac29d5b040847929b2f8a83436f6b2160a88e8c5ebc119654c5
SHA512a31e9c4c860873155690b90fb8f6d9ca30b084aa32ac94bb7e8ad90ca8d6d89349dc4924eafb2b689ef9ebaf5faa264d9f6c062818d844d17baae7793ba2ec1e
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Filesize
10.2MB
MD506208aa91f0f77d6c9b989f65803382a
SHA175e37439e6d1537fadf38c758df3a9fb232313cf
SHA256d576d6fcfdae0ac29d5b040847929b2f8a83436f6b2160a88e8c5ebc119654c5
SHA512a31e9c4c860873155690b90fb8f6d9ca30b084aa32ac94bb7e8ad90ca8d6d89349dc4924eafb2b689ef9ebaf5faa264d9f6c062818d844d17baae7793ba2ec1e
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Filesize
10.2MB
MD506208aa91f0f77d6c9b989f65803382a
SHA175e37439e6d1537fadf38c758df3a9fb232313cf
SHA256d576d6fcfdae0ac29d5b040847929b2f8a83436f6b2160a88e8c5ebc119654c5
SHA512a31e9c4c860873155690b90fb8f6d9ca30b084aa32ac94bb7e8ad90ca8d6d89349dc4924eafb2b689ef9ebaf5faa264d9f6c062818d844d17baae7793ba2ec1e
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Filesize
19.8MB
MD541dc282cbf89b0737ae6dd2de5a71015
SHA14aac4bafaf43be690089549584770f9e88630b45
SHA256b8049a022430c34f0b8b3c9f357a9afa4fd6cb940b7353a610d1f53fb5bf471c
SHA512ee8f3af6c633385eb1c7022189604c16948fd9fb0da1eb017d529872df2f075b26bdc158cf2ef4772237f338d87d9f6dc1944381cd65c5a636add0e22a599d6d
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Filesize
19.8MB
MD541dc282cbf89b0737ae6dd2de5a71015
SHA14aac4bafaf43be690089549584770f9e88630b45
SHA256b8049a022430c34f0b8b3c9f357a9afa4fd6cb940b7353a610d1f53fb5bf471c
SHA512ee8f3af6c633385eb1c7022189604c16948fd9fb0da1eb017d529872df2f075b26bdc158cf2ef4772237f338d87d9f6dc1944381cd65c5a636add0e22a599d6d
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Filesize
19.8MB
MD541dc282cbf89b0737ae6dd2de5a71015
SHA14aac4bafaf43be690089549584770f9e88630b45
SHA256b8049a022430c34f0b8b3c9f357a9afa4fd6cb940b7353a610d1f53fb5bf471c
SHA512ee8f3af6c633385eb1c7022189604c16948fd9fb0da1eb017d529872df2f075b26bdc158cf2ef4772237f338d87d9f6dc1944381cd65c5a636add0e22a599d6d
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Filesize
19.8MB
MD541dc282cbf89b0737ae6dd2de5a71015
SHA14aac4bafaf43be690089549584770f9e88630b45
SHA256b8049a022430c34f0b8b3c9f357a9afa4fd6cb940b7353a610d1f53fb5bf471c
SHA512ee8f3af6c633385eb1c7022189604c16948fd9fb0da1eb017d529872df2f075b26bdc158cf2ef4772237f338d87d9f6dc1944381cd65c5a636add0e22a599d6d
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Filesize
7KB
MD531d4baea2df048507b985b054d8f667d
SHA1858f7112f152e09d523f9712b14d73b07a3b58e6
SHA2565806225410657f3805691fa27cadb320d3861b25840b9f1f67ce7a7a1bc1c760
SHA5127e9063df9bb479f915cd6fa6c9b0e3b2216f0950bdb58c71d7a8ea53ca84d79e0150c9dfd74177930bdea49447edaae50f8f553ef0d607eefe8bd0276f905052
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Filesize
7KB
MD531d4baea2df048507b985b054d8f667d
SHA1858f7112f152e09d523f9712b14d73b07a3b58e6
SHA2565806225410657f3805691fa27cadb320d3861b25840b9f1f67ce7a7a1bc1c760
SHA5127e9063df9bb479f915cd6fa6c9b0e3b2216f0950bdb58c71d7a8ea53ca84d79e0150c9dfd74177930bdea49447edaae50f8f553ef0d607eefe8bd0276f905052
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Filesize
337KB
MD590a4b7fc6807693e68dd32b68614d989
SHA1785484ef531ca90f323d5b017fefcff05e68093a
SHA2564f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6
SHA51297b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c
-
Filesize
337KB
MD590a4b7fc6807693e68dd32b68614d989
SHA1785484ef531ca90f323d5b017fefcff05e68093a
SHA2564f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6
SHA51297b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c
-
Filesize
337KB
MD590a4b7fc6807693e68dd32b68614d989
SHA1785484ef531ca90f323d5b017fefcff05e68093a
SHA2564f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6
SHA51297b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c
-
Filesize
337KB
MD590a4b7fc6807693e68dd32b68614d989
SHA1785484ef531ca90f323d5b017fefcff05e68093a
SHA2564f475bd6235d2f761f6c6dbdf3f4b2f35fc6a3787e6b1b28a1912e85cb9be2f6
SHA51297b970cb24774f141042149ac53e45b3fc42f9ce911c0ca774aa3812f48d7744434bf31d217b2a8522439d0e3f71048cc916556c18a71be61b203c942373a81c
-
Filesize
379KB
MD5e247666cdea63da5a95aebc135908207
SHA14642f6c3973c41b7d1c9a73111a26c2d7ac9c392
SHA256b419ed0374e3789b4f83d4af601f796d958e366562a0aaea5d2f81e82abdcf33
SHA51206da11e694d5229783cfb058dcd04d855a1d0758beeaa97bcd886702a1502d0bf542e7890aa8f2e401be36ccf70376b5c091a5d328bb1abe738bc0798ab98a54
-
Filesize
379KB
MD5e247666cdea63da5a95aebc135908207
SHA14642f6c3973c41b7d1c9a73111a26c2d7ac9c392
SHA256b419ed0374e3789b4f83d4af601f796d958e366562a0aaea5d2f81e82abdcf33
SHA51206da11e694d5229783cfb058dcd04d855a1d0758beeaa97bcd886702a1502d0bf542e7890aa8f2e401be36ccf70376b5c091a5d328bb1abe738bc0798ab98a54
-
Filesize
1.6MB
MD5d5c2a6ac30e76b7c9b55adf1fe5c1e4a
SHA13d841eb48d1a32b511611d4b9e6eed71e2c373ee
SHA25611c7004851e6e6624158990dc8abe3aa517bcab708364d469589ad0ca3dba428
SHA5123c1c7fb535e779ac6c0d5aef2d4e9239f1c27136468738a0bd8587f91b99365a38808be31380be98fd74063d266654a6ac2c2e88861a3fe314a95f1296699e1d
-
Filesize
1.6MB
MD5d5c2a6ac30e76b7c9b55adf1fe5c1e4a
SHA13d841eb48d1a32b511611d4b9e6eed71e2c373ee
SHA25611c7004851e6e6624158990dc8abe3aa517bcab708364d469589ad0ca3dba428
SHA5123c1c7fb535e779ac6c0d5aef2d4e9239f1c27136468738a0bd8587f91b99365a38808be31380be98fd74063d266654a6ac2c2e88861a3fe314a95f1296699e1d
-
Filesize
259KB
MD549c51ace274d7db13caa533880869a4a
SHA1b539ed2f1a15e2d4e5c933611d736e0c317b8313
SHA2561d6407d7c7ffd2642ea7f97c86100514e8e44f58ff522475cb42bcc43a1b172b
SHA51213440009e2f63078dce466bf2fe54c60feb6cedeed6e9e6fc592189c50b0780543c936786b7051311089f39e9e3ccb67f705c54781c4cae6d3a8007998befbf6
-
Filesize
259KB
MD549c51ace274d7db13caa533880869a4a
SHA1b539ed2f1a15e2d4e5c933611d736e0c317b8313
SHA2561d6407d7c7ffd2642ea7f97c86100514e8e44f58ff522475cb42bcc43a1b172b
SHA51213440009e2f63078dce466bf2fe54c60feb6cedeed6e9e6fc592189c50b0780543c936786b7051311089f39e9e3ccb67f705c54781c4cae6d3a8007998befbf6
-
Filesize
364KB
MD5eda07083af5b6608cb5b7c305d787842
SHA1d1703c23522d285a3ccdaf7ba2eb837d40608867
SHA256c4683eb09d65d692ca347c0c21f72b086bd2faf733b13234f3a6b28444457d7d
SHA512be5879621d544c4e2c4b0a5db3d93720623e89e841b2982c7f6c99ba58d30167e0dd591a12048ed045f19ec45877aa2ef631b301b903517effa17579c4b7c401
-
Filesize
364KB
MD5eda07083af5b6608cb5b7c305d787842
SHA1d1703c23522d285a3ccdaf7ba2eb837d40608867
SHA256c4683eb09d65d692ca347c0c21f72b086bd2faf733b13234f3a6b28444457d7d
SHA512be5879621d544c4e2c4b0a5db3d93720623e89e841b2982c7f6c99ba58d30167e0dd591a12048ed045f19ec45877aa2ef631b301b903517effa17579c4b7c401
-
Filesize
859KB
MD5642dc7e57f0c962b9db4c8fb346bc5a7
SHA1acee24383b846f7d12521228d69135e5704546f6
SHA25663b4b5db4a96a8abec82b64034f482b433cd4168c960307ac5cc66d2fbf67ede
SHA512fb163a0ce4e3ad0b0a337f5617a7bf59070df05cc433b6463384e8687af3edc197e447609a0d86fe25ba3ee2717fd470f2620a8fc3a2998a7c3b3a40530d0bae
-
Filesize
859KB
MD5642dc7e57f0c962b9db4c8fb346bc5a7
SHA1acee24383b846f7d12521228d69135e5704546f6
SHA25663b4b5db4a96a8abec82b64034f482b433cd4168c960307ac5cc66d2fbf67ede
SHA512fb163a0ce4e3ad0b0a337f5617a7bf59070df05cc433b6463384e8687af3edc197e447609a0d86fe25ba3ee2717fd470f2620a8fc3a2998a7c3b3a40530d0bae