Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 05:46
Static task
static1
Behavioral task
behavioral1
Sample
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe
Resource
win10v2004-20240226-en
General
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Target
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe
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Size
4.2MB
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MD5
83b077307531393e5e6aaf785071ad5d
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SHA1
f2967b81c058ed4c7856161f514cab2fc0fd1b4b
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SHA256
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea
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SHA512
692e00174f30617a2b7ba84055037d20d548d8fd7089d7804584860dbfdbb74d32613fd4f3b97abcca502e043b8180a1dd77c32f0da4554d28ce98670ab02a72
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SSDEEP
98304:tLQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGt:tf8gKxTxapLMoPnzgS
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4944-2-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral2/memory/4944-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4944-43-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3752-45-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral2/memory/3752-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3752-123-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3752-144-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-240-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-249-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/652-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 8 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 652 csrss.exe 1492 injector.exe 4984 windefender.exe 4340 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4984-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4340-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4340-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 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.
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe -
Drops file in Windows directory 4 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe File created C:\Windows\rss\csrss.exe 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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.
Processes:
sc.exepid process 2040 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4732 1904 WerFault.exe powershell.exe 3732 4944 WerFault.exe 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 1292 3752 WerFault.exe 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 5036 schtasks.exe 3988 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1904 powershell.exe 1904 powershell.exe 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 5060 powershell.exe 5060 powershell.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 3100 powershell.exe 3100 powershell.exe 3660 powershell.exe 3660 powershell.exe 3968 powershell.exe 3968 powershell.exe 576 powershell.exe 576 powershell.exe 4060 powershell.exe 4060 powershell.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 652 csrss.exe 652 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 652 csrss.exe 652 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 652 csrss.exe 652 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Token: SeImpersonatePrivilege 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeSystemEnvironmentPrivilege 652 csrss.exe Token: SeSecurityPrivilege 2040 sc.exe Token: SeSecurityPrivilege 2040 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4944 wrote to memory of 1904 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 4944 wrote to memory of 1904 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 4944 wrote to memory of 1904 4944 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 5060 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 5060 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 5060 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3252 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe cmd.exe PID 3752 wrote to memory of 3252 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe cmd.exe PID 3252 wrote to memory of 8 3252 cmd.exe netsh.exe PID 3252 wrote to memory of 8 3252 cmd.exe netsh.exe PID 3752 wrote to memory of 3100 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3100 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3100 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3660 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3660 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 3660 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 3752 wrote to memory of 652 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 3752 wrote to memory of 652 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 3752 wrote to memory of 652 3752 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 652 wrote to memory of 3968 652 csrss.exe powershell.exe PID 652 wrote to memory of 3968 652 csrss.exe powershell.exe PID 652 wrote to memory of 3968 652 csrss.exe powershell.exe PID 652 wrote to memory of 576 652 csrss.exe powershell.exe PID 652 wrote to memory of 576 652 csrss.exe powershell.exe PID 652 wrote to memory of 576 652 csrss.exe powershell.exe PID 652 wrote to memory of 4060 652 csrss.exe powershell.exe PID 652 wrote to memory of 4060 652 csrss.exe powershell.exe PID 652 wrote to memory of 4060 652 csrss.exe powershell.exe PID 652 wrote to memory of 1492 652 csrss.exe injector.exe PID 652 wrote to memory of 1492 652 csrss.exe injector.exe PID 4984 wrote to memory of 2584 4984 windefender.exe cmd.exe PID 4984 wrote to memory of 2584 4984 windefender.exe cmd.exe PID 4984 wrote to memory of 2584 4984 windefender.exe cmd.exe PID 2584 wrote to memory of 2040 2584 cmd.exe sc.exe PID 2584 wrote to memory of 2040 2584 cmd.exe sc.exe PID 2584 wrote to memory of 2040 2584 cmd.exe sc.exe -
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\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 24443⤵
- Program crash
PID:4732
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C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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:3752 -
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:5060
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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:3252 -
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:8
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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:3100
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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:3660
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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:652 -
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:3968
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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:5036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2828
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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:576
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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:4060
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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:1492
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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:3988
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4984 -
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:2584 -
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:2040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 9803⤵
- Program crash
PID:1292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 7802⤵
- Program crash
PID:3732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1904 -ip 19041⤵PID:1912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4944 -ip 49441⤵PID:4656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3752 -ip 37521⤵PID:784
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
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
1Privilege Escalation
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
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5373a1afe83e04b50b37bf7cba60b679b
SHA106103731d91b522c740f6009ec6dd61e65c38a99
SHA25675ef2753d4ee5d141bc357646d28c099b93575496fbad7cdea0ec4dec16f9323
SHA5122a755892ed1a2b2786f3f1fa7d739ab3d4b81a9b1818744aa4e6f106058f890023940925791d9bbba7f86a64ed9f49de0f0006a5d11d922eb65adbe74ca530c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c193db138b57af51e5f0642e22e2524
SHA17f5f99bb67ac9868d9d99f3fb8c26da7c6e1e850
SHA256bebb6652fd5215e5f8b04a75b7225f6742f80d7b86fd182d4074d4f9ef946983
SHA512686a9a603ae934192ff4d1a65e6abb24271acadf5152c69801fa5eb3896fd20978f50c98cc3e17e28f20273af19d1e01e788155af9f9e1ebc40d6c8c624c20dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5616a2a9ec4b8c18b2d0bd9900036f406
SHA184a427012c922a01c6cb350a4c512d4fbbd11a41
SHA2568a2c7a9a490095e34a0c6a4bb059c5077a1038a2210e2b43c78f58cd7ce8090d
SHA5127af66ae2bc726a9393b1869db7acd9f0da38382d6e644cc2611dcfbbcfd591d7e7065bddd8dbe68112a60156829bad02af568b793e2ae8486208a8054b567fcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d797effc7876c615bce5e49bfe0076aa
SHA1c755c7c448df55d6cbab5927cd91387271c319de
SHA25660d6aa533f07ed4e64899bf38aae7421439329e0332ad3db9e34c0574df40ac3
SHA5126e8c15b168adb881b7a3888b893b577dec5740f38542a324fd2babb9b6b576b2edb919351e671322c46e082d7d49077c03a127b0ae5e02715a72e2c577a11f51
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a257596ec4b0444dcec154fd58333009
SHA14d2857cbf06302667d16f097380979d88029a971
SHA256b6202e161540efebfee667569327ffeb257c75c0a8b76cfc283cd080d7ab4c71
SHA512b9b01744d80800d0ed708f7b33378c3f05917226d058cabe5c5a6f933b985a046b3fd88b8d7f31e6dd1cf9a3cb4d94db3aa559a3039d78c27a1d28161680608b
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Filesize
4.2MB
MD583b077307531393e5e6aaf785071ad5d
SHA1f2967b81c058ed4c7856161f514cab2fc0fd1b4b
SHA2566f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea
SHA512692e00174f30617a2b7ba84055037d20d548d8fd7089d7804584860dbfdbb74d32613fd4f3b97abcca502e043b8180a1dd77c32f0da4554d28ce98670ab02a72
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec