Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
26-09-2023 13:54
Static task
static1
Behavioral task
behavioral1
Sample
docgur20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docgur20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docgur20230925.exe
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Size
822KB
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MD5
7db30eacb2aafcd1c57d4cf6b314ca71
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SHA1
784c19294b0348258632cdacb23927063f0f7ad8
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SHA256
dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
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SHA512
985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
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SSDEEP
12288:91FckahW3INm7sW2ndLQJfVDb0xPkh7g9tO01ehCt6+5wVZaNY:VcDh/m7sPdLQ9VH0xPu7g9n1z6+iuY
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
2V8SHFwjad34@@##
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/2952-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2952-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2952-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2952-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2952-19-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2524-80-0x0000000004A60000-0x0000000004AA0000-memory.dmp family_snakekeylogger behavioral1/memory/1812-103-0x0000000000DA0000-0x0000000000DE0000-memory.dmp family_snakekeylogger -
Executes dropped EXE 6 IoCs
Processes:
svchost.exesvchost.exesvchost.exesvchost.exesvchost.exesvchost.exepid process 2612 svchost.exe 2660 svchost.exe 1936 svchost.exe 2524 svchost.exe 1712 svchost.exe 1812 svchost.exe -
Loads dropped DLL 2 IoCs
Processes:
docgur20230925.exesvchost.exepid process 2440 docgur20230925.exe 2612 svchost.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
svchost.exedocgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 checkip.dyndns.org 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 4 IoCs
Processes:
docgur20230925.exesvchost.exesvchost.exesvchost.exedescription pid process target process PID 2440 set thread context of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2612 set thread context of 1936 2612 svchost.exe svchost.exe PID 2660 set thread context of 2524 2660 svchost.exe svchost.exe PID 1712 set thread context of 1812 1712 svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 2720 schtasks.exe 580 schtasks.exe 2696 schtasks.exe 948 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
docgur20230925.exesvchost.exesvchost.exepid process 2952 docgur20230925.exe 2524 svchost.exe 2524 svchost.exe 2952 docgur20230925.exe 1812 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
docgur20230925.exesvchost.exesvchost.exedescription pid process Token: SeDebugPrivilege 2952 docgur20230925.exe Token: SeDebugPrivilege 2524 svchost.exe Token: SeDebugPrivilege 1812 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
svchost.exedocgur20230925.exepid process 2524 svchost.exe 2952 docgur20230925.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
docgur20230925.execmd.exetaskeng.exesvchost.execmd.exesvchost.exedescription pid process target process PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2952 2440 docgur20230925.exe docgur20230925.exe PID 2440 wrote to memory of 2612 2440 docgur20230925.exe svchost.exe PID 2440 wrote to memory of 2612 2440 docgur20230925.exe svchost.exe PID 2440 wrote to memory of 2612 2440 docgur20230925.exe svchost.exe PID 2440 wrote to memory of 2612 2440 docgur20230925.exe svchost.exe PID 2440 wrote to memory of 2676 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2676 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2676 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2676 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2680 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2680 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2680 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2680 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2672 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2672 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2672 2440 docgur20230925.exe cmd.exe PID 2440 wrote to memory of 2672 2440 docgur20230925.exe cmd.exe PID 2680 wrote to memory of 2720 2680 cmd.exe schtasks.exe PID 2680 wrote to memory of 2720 2680 cmd.exe schtasks.exe PID 2680 wrote to memory of 2720 2680 cmd.exe schtasks.exe PID 2680 wrote to memory of 2720 2680 cmd.exe schtasks.exe PID 1948 wrote to memory of 2660 1948 taskeng.exe svchost.exe PID 1948 wrote to memory of 2660 1948 taskeng.exe svchost.exe PID 1948 wrote to memory of 2660 1948 taskeng.exe svchost.exe PID 1948 wrote to memory of 2660 1948 taskeng.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 svchost.exe svchost.exe PID 2612 wrote to memory of 1544 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1544 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1544 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1544 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1928 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1928 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1928 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1928 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1964 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1964 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1964 2612 svchost.exe cmd.exe PID 2612 wrote to memory of 1964 2612 svchost.exe cmd.exe PID 1928 wrote to memory of 580 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 580 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 580 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 580 1928 cmd.exe schtasks.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe PID 2660 wrote to memory of 2524 2660 svchost.exe svchost.exe -
outlook_office_path 1 IoCs
Processes:
docgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe -
outlook_win_path 1 IoCs
Processes:
docgur20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docgur20230925.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2952 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:1936 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:1544
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:580 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:1964
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:2676
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docgur20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2672
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2680
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f1⤵
- Creates scheduled task(s)
PID:2720
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C:\Windows\system32\taskeng.exetaskeng.exe {D3AC3777-6B6F-40B0-AAFF-80290FD70D16} S-1-5-21-686452656-3203474025-4140627569-1000:UUVOHKNL\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2524 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:1684
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵PID:1392
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:2696 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:1376
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1712 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:3044
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵PID:2132
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:948 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:2652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
822KB
MD57db30eacb2aafcd1c57d4cf6b314ca71
SHA1784c19294b0348258632cdacb23927063f0f7ad8
SHA256dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
SHA512985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
-
Filesize
822KB
MD57db30eacb2aafcd1c57d4cf6b314ca71
SHA1784c19294b0348258632cdacb23927063f0f7ad8
SHA256dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
SHA512985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
-
Filesize
822KB
MD57db30eacb2aafcd1c57d4cf6b314ca71
SHA1784c19294b0348258632cdacb23927063f0f7ad8
SHA256dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
SHA512985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
-
Filesize
822KB
MD57db30eacb2aafcd1c57d4cf6b314ca71
SHA1784c19294b0348258632cdacb23927063f0f7ad8
SHA256dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
SHA512985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
-
Filesize
822KB
MD57db30eacb2aafcd1c57d4cf6b314ca71
SHA1784c19294b0348258632cdacb23927063f0f7ad8
SHA256dfe21dcd3c319fbb88566950ad3cd104f0e76c50200687b8906975c9cdd5aee6
SHA512985bba196e18696cbe5cb06f03416f2f6b839ebdfd32ac9d4b316cbf32fa7231c5f0e6deeb84ab5271a156c35b5c04295b670dacbe8ef1b477586b0205e5baf5
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
-
Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a