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Analysis
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max time kernel
146s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
03/11/2023, 14:41
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.cf9461003d7870f4ac0c1714d104b860.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.cf9461003d7870f4ac0c1714d104b860.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.cf9461003d7870f4ac0c1714d104b860.exe
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Size
118KB
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MD5
cf9461003d7870f4ac0c1714d104b860
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SHA1
90549076c16f93390719b9b3489669e5e4261209
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SHA256
50911e1a23d33eb4a7bc66387585299339d3971f9933c0aa943c06af6daed9da
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SHA512
116b1c79e0cad9c33a146fa4971b4706b7eb57900b2ac93abdecbdb3d322d35a454f20f301b2b4345cb3005db23dacf3ffd4d9445443c665b138ce3a6b38af7a
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SSDEEP
3072:vOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPb:vIs9OKofHfHTXQLzgvnzHPowYbvrjD/m
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 3 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000600000001210b-10.dat acprotect behavioral1/files/0x000600000001210b-32.dat acprotect behavioral1/files/0x000600000001210b-38.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 1948 ctfmen.exe 2816 smnss.exe -
Loads dropped DLL 9 IoCs
pid Process 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 1948 ctfmen.exe 1948 ctfmen.exe 2816 smnss.exe 2812 WerFault.exe 2812 WerFault.exe 2812 WerFault.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" smnss.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" NEAS.cf9461003d7870f4ac0c1714d104b860.exe -
Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 NEAS.cf9461003d7870f4ac0c1714d104b860.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 smnss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum NEAS.cf9461003d7870f4ac0c1714d104b860.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 NEAS.cf9461003d7870f4ac0c1714d104b860.exe -
Drops file in System32 directory 12 IoCs
description ioc Process File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe NEAS.cf9461003d7870f4ac0c1714d104b860.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe NEAS.cf9461003d7870f4ac0c1714d104b860.exe File created C:\Windows\SysWOW64\shervans.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File created C:\Windows\SysWOW64\smnss.exe NEAS.cf9461003d7870f4ac0c1714d104b860.exe File created C:\Windows\SysWOW64\satornas.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File opened for modification C:\Windows\SysWOW64\satornas.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File created C:\Windows\SysWOW64\grcopy.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File opened for modification C:\Windows\SysWOW64\shervans.dll NEAS.cf9461003d7870f4ac0c1714d104b860.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsita.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\cs.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt smnss.exe File opened for modification C:\Program Files\7-Zip\License.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_heb.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsrom.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskpred\oskpredbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipscht.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\br.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\uk.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_rtl.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ja-jp.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ko-kr.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ja-jp-sym.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsen.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\de.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsplk.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.htm smnss.exe File opened for modification C:\Program Files\Internet Explorer\Timeline.cpu.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-changjei.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.htm smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Stars.htm smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsfin.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pt.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_ca.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Content.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipschs.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad\auxbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\kor-kor.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_jpn.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu\oskmenubase.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt smnss.exe File opened for modification C:\Program Files\7-Zip\readme.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-phonetic.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsesp.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsnld.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sa.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt smnss.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2812 2816 WerFault.exe 29 -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 NEAS.cf9461003d7870f4ac0c1714d104b860.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node NEAS.cf9461003d7870f4ac0c1714d104b860.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID NEAS.cf9461003d7870f4ac0c1714d104b860.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} NEAS.cf9461003d7870f4ac0c1714d104b860.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" NEAS.cf9461003d7870f4ac0c1714d104b860.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" smnss.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2816 smnss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3004 wrote to memory of 1948 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 28 PID 3004 wrote to memory of 1948 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 28 PID 3004 wrote to memory of 1948 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 28 PID 3004 wrote to memory of 1948 3004 NEAS.cf9461003d7870f4ac0c1714d104b860.exe 28 PID 1948 wrote to memory of 2816 1948 ctfmen.exe 29 PID 1948 wrote to memory of 2816 1948 ctfmen.exe 29 PID 1948 wrote to memory of 2816 1948 ctfmen.exe 29 PID 1948 wrote to memory of 2816 1948 ctfmen.exe 29 PID 2816 wrote to memory of 2812 2816 smnss.exe 30 PID 2816 wrote to memory of 2812 2816 smnss.exe 30 PID 2816 wrote to memory of 2812 2816 smnss.exe 30 PID 2816 wrote to memory of 2812 2816 smnss.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.cf9461003d7870f4ac0c1714d104b860.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.cf9461003d7870f4ac0c1714d104b860.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\smnss.exeC:\Windows\system32\smnss.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 7924⤵
- Loads dropped DLL
- Program crash
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD57af2c66db12f99ec9edcf2c1ad5ec98d
SHA1fc71bfaf316d940291916e808b0feb981da56941
SHA256dd3b01c5e02dc21449e02bf0d4c55e197cfdfd47e2126cbfadcd017a9b70dbb3
SHA512fb34aca5f940b0f1a5dcdf9e217868ccf7a480eee92d3c819ebcf107ad5472c55efbd7a55f1e4a354503eeeb92e6ece04d489cc250cb9c97b2d9c508f614e72d
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Filesize
4KB
MD57af2c66db12f99ec9edcf2c1ad5ec98d
SHA1fc71bfaf316d940291916e808b0feb981da56941
SHA256dd3b01c5e02dc21449e02bf0d4c55e197cfdfd47e2126cbfadcd017a9b70dbb3
SHA512fb34aca5f940b0f1a5dcdf9e217868ccf7a480eee92d3c819ebcf107ad5472c55efbd7a55f1e4a354503eeeb92e6ece04d489cc250cb9c97b2d9c508f614e72d
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
183B
MD58b7cca691dfdd76a424061a745e5c53b
SHA16ffbf4f8c12d98e1df02e3a79024e3b0f0681dc1
SHA25659d534fa90205e71e83ab47eb0da13c85b4314f27ef03a1d20a8a0be1402c1c4
SHA5120bfe1e0ca6da1655118a7422d70ff8bf169795a5fac5cb90ddaa0a50b2cf3114ef7538a7e9818b6debea820315fc856ffb9cc38387f6ad8b8aeff083964f4207
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Filesize
8KB
MD5ebd22461988c870d015150259fbcc4a7
SHA10587dc7fe709ef8b1b4b1e71c326809416ccd689
SHA25694d9027c3812f657cd60bbb813793be6fcc109a5968d6a280de57d9d4ad1847b
SHA5125ddf528b59c82a4c6906bd42440d9b6c89345df87572a7e043848f73947c562ce1b704fa1824f0ab7bed2e44fbb5b58103249f6165ae8a0a46637c2652181acc
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
4KB
MD57af2c66db12f99ec9edcf2c1ad5ec98d
SHA1fc71bfaf316d940291916e808b0feb981da56941
SHA256dd3b01c5e02dc21449e02bf0d4c55e197cfdfd47e2126cbfadcd017a9b70dbb3
SHA512fb34aca5f940b0f1a5dcdf9e217868ccf7a480eee92d3c819ebcf107ad5472c55efbd7a55f1e4a354503eeeb92e6ece04d489cc250cb9c97b2d9c508f614e72d
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Filesize
4KB
MD57af2c66db12f99ec9edcf2c1ad5ec98d
SHA1fc71bfaf316d940291916e808b0feb981da56941
SHA256dd3b01c5e02dc21449e02bf0d4c55e197cfdfd47e2126cbfadcd017a9b70dbb3
SHA512fb34aca5f940b0f1a5dcdf9e217868ccf7a480eee92d3c819ebcf107ad5472c55efbd7a55f1e4a354503eeeb92e6ece04d489cc250cb9c97b2d9c508f614e72d
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Filesize
8KB
MD5ebd22461988c870d015150259fbcc4a7
SHA10587dc7fe709ef8b1b4b1e71c326809416ccd689
SHA25694d9027c3812f657cd60bbb813793be6fcc109a5968d6a280de57d9d4ad1847b
SHA5125ddf528b59c82a4c6906bd42440d9b6c89345df87572a7e043848f73947c562ce1b704fa1824f0ab7bed2e44fbb5b58103249f6165ae8a0a46637c2652181acc
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Filesize
8KB
MD5ebd22461988c870d015150259fbcc4a7
SHA10587dc7fe709ef8b1b4b1e71c326809416ccd689
SHA25694d9027c3812f657cd60bbb813793be6fcc109a5968d6a280de57d9d4ad1847b
SHA5125ddf528b59c82a4c6906bd42440d9b6c89345df87572a7e043848f73947c562ce1b704fa1824f0ab7bed2e44fbb5b58103249f6165ae8a0a46637c2652181acc
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8
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Filesize
118KB
MD51208e1254b4526f1b5832b5b71b5567c
SHA1e5e05d77332dfd19b06f358ae83a358b12252661
SHA25686cac92057101e28e26308555035ebb164bd1e54c6dcabe3e1d8ab17e142f85a
SHA5126ae3c1e705aa9318a332012c3103f757c28c1a807b3c20f2b87e421d34bbb17a77d626cf4531347c3fa178a987945b4710c8ce5c44ce7d044cb5e74945d84fe8