Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe
Resource
win10v2004-20240508-en
General
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Target
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe
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Size
4.1MB
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MD5
6691036ed5a87f8e8c2bcd42c9522bbf
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SHA1
d2d93ef430b22933eec6ceb1ee9dedeba9b7bd42
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SHA256
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8
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SHA512
d15c843456434aee565eb8e91e660f895c3891e4cdc962244bfd9420d78fc9cd015a27ad20461b1a0a9a50a7714973f1ab83cd029c5dc296b77b456f8f0fd4c8
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SSDEEP
98304:hvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1m:hvHfb2IifudqhIuUHwAjW+4
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3472-2-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral1/memory/3472-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3472-91-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3632-129-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3472-133-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral1/memory/3472-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3576-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3576-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2304 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3576 csrss.exe 3204 injector.exe 3968 windefender.exe 764 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023419-217.dat upx behavioral1/memory/3968-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3968-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/764-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/764-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/764-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 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:
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe -
Drops file in Windows directory 4 IoCs
Processes:
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1036 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4780 powershell.exe 4988 powershell.exe 4616 powershell.exe 3972 powershell.exe 4416 powershell.exe 4300 powershell.exe 3448 powershell.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 1368 schtasks.exe 4848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exepowershell.exe204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4780 powershell.exe 4780 powershell.exe 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 4988 powershell.exe 4988 powershell.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 4616 powershell.exe 4616 powershell.exe 3972 powershell.exe 3972 powershell.exe 4416 powershell.exe 4416 powershell.exe 4300 powershell.exe 4300 powershell.exe 3448 powershell.exe 3448 powershell.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3576 csrss.exe 3576 csrss.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3576 csrss.exe 3576 csrss.exe 3204 injector.exe 3204 injector.exe 3576 csrss.exe 3576 csrss.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe 3204 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Token: SeImpersonatePrivilege 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeSystemEnvironmentPrivilege 3576 csrss.exe Token: SeSecurityPrivilege 1036 sc.exe Token: SeSecurityPrivilege 1036 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3472 wrote to memory of 4780 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 84 PID 3472 wrote to memory of 4780 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 84 PID 3472 wrote to memory of 4780 3472 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 84 PID 3632 wrote to memory of 4988 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 96 PID 3632 wrote to memory of 4988 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 96 PID 3632 wrote to memory of 4988 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 96 PID 3632 wrote to memory of 4832 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 100 PID 3632 wrote to memory of 4832 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 100 PID 4832 wrote to memory of 2304 4832 cmd.exe 102 PID 4832 wrote to memory of 2304 4832 cmd.exe 102 PID 3632 wrote to memory of 4616 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 103 PID 3632 wrote to memory of 4616 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 103 PID 3632 wrote to memory of 4616 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 103 PID 3632 wrote to memory of 3972 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 106 PID 3632 wrote to memory of 3972 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 106 PID 3632 wrote to memory of 3972 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 106 PID 3632 wrote to memory of 3576 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 108 PID 3632 wrote to memory of 3576 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 108 PID 3632 wrote to memory of 3576 3632 204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe 108 PID 3576 wrote to memory of 4416 3576 csrss.exe 109 PID 3576 wrote to memory of 4416 3576 csrss.exe 109 PID 3576 wrote to memory of 4416 3576 csrss.exe 109 PID 3576 wrote to memory of 4300 3576 csrss.exe 115 PID 3576 wrote to memory of 4300 3576 csrss.exe 115 PID 3576 wrote to memory of 4300 3576 csrss.exe 115 PID 3576 wrote to memory of 3448 3576 csrss.exe 117 PID 3576 wrote to memory of 3448 3576 csrss.exe 117 PID 3576 wrote to memory of 3448 3576 csrss.exe 117 PID 3576 wrote to memory of 3204 3576 csrss.exe 119 PID 3576 wrote to memory of 3204 3576 csrss.exe 119 PID 3968 wrote to memory of 4372 3968 windefender.exe 126 PID 3968 wrote to memory of 4372 3968 windefender.exe 126 PID 3968 wrote to memory of 4372 3968 windefender.exe 126 PID 4372 wrote to memory of 1036 4372 cmd.exe 127 PID 4372 wrote to memory of 1036 4372 cmd.exe 127 PID 4372 wrote to memory of 1036 4372 cmd.exe 127 -
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\204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe"C:\Users\Admin\AppData\Local\Temp\204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4780
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C:\Users\Admin\AppData\Local\Temp\204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.exe"C:\Users\Admin\AppData\Local\Temp\204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8.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:3632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4988
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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:4832 -
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:2304
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
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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:3576 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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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:1368
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448
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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:3204
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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:4848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968 -
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:4372 -
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:1036
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:764
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b486ac1ddf7492cc2032c97f57071ad
SHA101e2158c019886fed8dcc7053d689fba41f72173
SHA2560b62a808810081ef7d86cc0b1165cdf45fee15e6488b9c3659043c75ab577749
SHA512a1c69f3c5f594e994c69d9a9df6a7bd2c7077a6f7310744e1bc74cda1340f7e238b182fc44f6eba4798d7cc00fae65373fbd59c4956bd573dfcbbeff069f4ef2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58df1e870ef5182451f15dd16f45353f8
SHA1e0b5688231f03b643a19f92bdfc3b499c89be0f7
SHA25606b778836dc29b03be16e19a386ac1fb842dbcfafd84f58b13894a0099c9b2c7
SHA512f04718e6596a8c83ef6443d36de7d8a236dd7e1190394505a289cc15fe6581a54d839dc715de879b160bec16586dbda00e06c6ba586766b9be01999c65522f94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fcf3aa123d3bb5893ca33e22a983fd34
SHA17599e4bc83b53e185131f510b955a68b3c42b3ba
SHA256872d6977c94414871ad5abea6d75b98726fdddfdd4e5cc35b2b710b5965fad60
SHA5121616453e7d8d2dd0321eea0f466e9f78eb20e6864ad0066694266c5f66f86fcce8d9b12aa8673bff8afb99a683d5656deceb2f1e06336f9e6c29f766deac285f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddcdd268377fab8a0e2ea629617655c0
SHA1f2b5cc3daa5b865e0e7274373a5e7f585b140630
SHA2567d71018d362f32ba0d164c76f5c8d4ad3749e1f148ef8408e0b6bafe3d326df7
SHA512719f8dbdb68d6162519aef00f89ae4eb725ae4632f9333217b1ae31ca92ead9d1c20f2b8c7180ab6e526f73fb24d3f41965325f1a3fc83fb3fd3b38e7602d546
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f702d274f0ba8df04163d1f78fefecc
SHA1e3209cad9b89deda4d2edc750eb7f19c7789becf
SHA2566d674c5e630c5a3683efa6aeabe41aff3b135ecb516e2e5f8e579005f5aefd83
SHA5129356694b76d2020d98d39ae027174397cd854c6e02062eb4be12a313d2d3697cfda92041180d9b7ad3646115ea804a1ff7b998d47132ee832171c4ca051907b3
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Filesize
4.1MB
MD56691036ed5a87f8e8c2bcd42c9522bbf
SHA1d2d93ef430b22933eec6ceb1ee9dedeba9b7bd42
SHA256204ce05c37b3b57f59a9db40b7e8fa51ef59bb9bb9a4ad67b208a3b833dc0fc8
SHA512d15c843456434aee565eb8e91e660f895c3891e4cdc962244bfd9420d78fc9cd015a27ad20461b1a0a9a50a7714973f1ab83cd029c5dc296b77b456f8f0fd4c8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec