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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 12:40
Static task
static1
General
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Target
af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe
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Size
4.2MB
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MD5
54d8a57a27ac6dbb7c5e3788fde180af
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SHA1
b9245ffd13ada5964927be9c3005dac1a264a6a2
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SHA256
af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6
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SHA512
94bedc322530b418d100df61fc03d647b524065232e1b1a611d67c8865339e24b33a906ae2e2c89a3b9680c3dc786c6d76deb7832dbcd2297ec09e3bb64e980c
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SSDEEP
98304:N3eqCz2PBKHiRxrRC5cH++3I1lp+ihk0Ue8KZP5FG+JxfUaK7/:xPBKHkX+XQihPUeXBk+z8aW
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1972-2-0x00000000049A0000-0x000000000528B000-memory.dmp family_glupteba behavioral1/memory/1972-3-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-27-0x00000000049A0000-0x000000000528B000-memory.dmp family_glupteba behavioral1/memory/1972-29-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-60-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/4200-63-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/4200-98-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/4200-99-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/4200-143-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/4200-161-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-228-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-263-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-272-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-274-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-276-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-278-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-280-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-282-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-284-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba behavioral1/memory/1972-292-0x0000000000400000-0x0000000002677000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2472 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1972 csrss.exe 1316 injector.exe 1900 windefender.exe 4888 windefender.exe 2588 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002320c-266.dat upx behavioral1/files/0x000700000002320c-268.dat upx behavioral1/files/0x000700000002320c-269.dat upx behavioral1/memory/1900-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4888-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4888-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000002320e-288.dat upx behavioral1/files/0x000700000002320e-290.dat upx behavioral1/memory/4888-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe File created C:\Windows\rss\csrss.exe af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3564 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 644 1972 WerFault.exe 84 4672 4200 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3848 schtasks.exe 4052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1796 powershell.exe 1796 powershell.exe 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 1220 powershell.exe 1220 powershell.exe 1220 powershell.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 4372 powershell.exe 4372 powershell.exe 3588 powershell.exe 3588 powershell.exe 1184 powershell.exe 1184 powershell.exe 2296 powershell.exe 2296 powershell.exe 488 powershell.exe 488 powershell.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1972 csrss.exe 1972 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1972 csrss.exe 1972 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1972 csrss.exe 1972 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1796 powershell.exe Token: SeDebugPrivilege 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Token: SeImpersonatePrivilege 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe Token: SeDebugPrivilege 1220 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 3588 powershell.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeDebugPrivilege 488 powershell.exe Token: SeSystemEnvironmentPrivilege 1972 csrss.exe Token: SeSecurityPrivilege 3564 sc.exe Token: SeSecurityPrivilege 3564 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1796 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 88 PID 1972 wrote to memory of 1796 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 88 PID 1972 wrote to memory of 1796 1972 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 88 PID 4200 wrote to memory of 1220 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 101 PID 4200 wrote to memory of 1220 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 101 PID 4200 wrote to memory of 1220 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 101 PID 4200 wrote to memory of 4244 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 105 PID 4200 wrote to memory of 4244 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 105 PID 4244 wrote to memory of 2472 4244 cmd.exe 106 PID 4244 wrote to memory of 2472 4244 cmd.exe 106 PID 4200 wrote to memory of 4372 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 108 PID 4200 wrote to memory of 4372 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 108 PID 4200 wrote to memory of 4372 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 108 PID 4200 wrote to memory of 3588 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 110 PID 4200 wrote to memory of 3588 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 110 PID 4200 wrote to memory of 3588 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 110 PID 4200 wrote to memory of 1972 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 112 PID 4200 wrote to memory of 1972 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 112 PID 4200 wrote to memory of 1972 4200 af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe 112 PID 1972 wrote to memory of 1184 1972 csrss.exe 115 PID 1972 wrote to memory of 1184 1972 csrss.exe 115 PID 1972 wrote to memory of 1184 1972 csrss.exe 115 PID 1972 wrote to memory of 2296 1972 csrss.exe 121 PID 1972 wrote to memory of 2296 1972 csrss.exe 121 PID 1972 wrote to memory of 2296 1972 csrss.exe 121 PID 1972 wrote to memory of 488 1972 csrss.exe 123 PID 1972 wrote to memory of 488 1972 csrss.exe 123 PID 1972 wrote to memory of 488 1972 csrss.exe 123 PID 1972 wrote to memory of 1316 1972 csrss.exe 125 PID 1972 wrote to memory of 1316 1972 csrss.exe 125 PID 1900 wrote to memory of 1956 1900 windefender.exe 131 PID 1900 wrote to memory of 1956 1900 windefender.exe 131 PID 1900 wrote to memory of 1956 1900 windefender.exe 131 PID 1956 wrote to memory of 3564 1956 cmd.exe 132 PID 1956 wrote to memory of 3564 1956 cmd.exe 132 PID 1956 wrote to memory of 3564 1956 cmd.exe 132 PID 1972 wrote to memory of 2588 1972 csrss.exe 135 PID 1972 wrote to memory of 2588 1972 csrss.exe 135 PID 1972 wrote to memory of 2588 1972 csrss.exe 135 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe"C:\Users\Admin\AppData\Local\Temp\af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1796
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C:\Users\Admin\AppData\Local\Temp\af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe"C:\Users\Admin\AppData\Local\Temp\af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2472
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:488
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4052
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3564
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2588 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:3000
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 6963⤵
- Program crash
PID:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 8162⤵
- Program crash
PID:644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1972 -ip 19721⤵PID:5092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4200 -ip 42001⤵PID:3680
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4888
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539645b09c49e5ff7332651f295115fc6
SHA1f53958cce7de820e4adf983a462f91680d5ed8b6
SHA2564581cd1f5650df4281061d1ba4748763078a814f428f729711c5bc188cb178e2
SHA512c0c22fa065dd7271d938b9e6c77cc50b03bb3c613286005362277af2f9ef50a3640a1b733bf03ba62c2d82942c4466163b0f1afbec3f755a4871400549e83a76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6b0426610dd3ce832917859cc18ab3b
SHA1fd9fd7e350838bdf3a67019ebcf71b07cd1d9e17
SHA256d498821e8a69cd7130775ad8182d3a85baf446de9597b66aeaaf98762b3b68d6
SHA5123529b9228409650bf362815d42c11c0d58f9c5a7809bd62abc9f949a42d639f7526ac9c5837b90a9faa3d3c9d007060e4653e9a4b23cc67e5c7eaf0fcb59df37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57047b511c3679f02c684b7b24f1149fd
SHA144583f501bae4c0192c41d05872e4040d31978c5
SHA2563f5792936933c2d8a08c93baee077c283620a1701050ff7195df20289a674816
SHA512a837b5d26bb904bd9c63dd6458cbcf386f93f41b7b26be2b3ae260761b8ebc2e0ea1e922e997938cbe85122bf40b3a3b8d7ed1c6edc76544ba4a3c84e4bd3665
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581321b126c6837578a65e6d6be2099a9
SHA188c1295ea2734dd1b645ad0774d9b834f540601b
SHA2566b4b7350c306127d23a7caa5f1fdb343201fe0a3fd6e5d785070aec3075e1c3d
SHA512e9368aa56e353068a6bce846d906a77b97c226c662ad62ba210be1e42d377ba40eef1551948145e7af9b01d52300173df25b1e63b6bf5bfa9094eacba42b4a96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572bde928448aa598bfca4bc249e85b0e
SHA125e65615587df3b7c52e06a043b74626329839bc
SHA256429c2a1501492ad6f6ec80039b441706ba7f6507692c187e659e77f55e2a427f
SHA512dbea56b129170aa427c94e26dd90df97946b41a2b0761e8ef2d41e86fbc35de0a312a161d27b3c5a459cb293355c587fcdab2203a8ca7c50f5c371d76794a442
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Filesize
4.2MB
MD554d8a57a27ac6dbb7c5e3788fde180af
SHA1b9245ffd13ada5964927be9c3005dac1a264a6a2
SHA256af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6
SHA51294bedc322530b418d100df61fc03d647b524065232e1b1a611d67c8865339e24b33a906ae2e2c89a3b9680c3dc786c6d76deb7832dbcd2297ec09e3bb64e980c
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Filesize
4.2MB
MD554d8a57a27ac6dbb7c5e3788fde180af
SHA1b9245ffd13ada5964927be9c3005dac1a264a6a2
SHA256af34b4cc7052f2676f67626cca7aac26c58bd440275e536e7b07d42c3534acb6
SHA51294bedc322530b418d100df61fc03d647b524065232e1b1a611d67c8865339e24b33a906ae2e2c89a3b9680c3dc786c6d76deb7832dbcd2297ec09e3bb64e980c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec