Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:33
Static task
static1
Behavioral task
behavioral1
Sample
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe
Resource
win10v2004-20240508-en
General
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Target
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe
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Size
4.1MB
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MD5
bc04b2a5cb3e66e9710232c5b4f2039f
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SHA1
b33ae0eb4e056a846c9675d64584ddaa527640fc
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SHA256
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf
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SHA512
39f8fb2f8d7eb0584bad1a3c227a4204b108c893e576595a9f6d1e17010a3edc9570daef5c5044c9a46aca240215a109e1b92d474d3de9de253d9314688819f3
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SSDEEP
98304:8d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnEr0:eRMSLQaVNfPUP9FaqUIATxXaCdFFREnt
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/932-2-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/932-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/932-58-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/932-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/932-68-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4480-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-161-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1664-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4112 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1664 csrss.exe 2396 injector.exe 1464 windefender.exe 4060 windefender.exe -
resource yara_rule behavioral1/files/0x001000000002342d-225.dat upx behavioral1/memory/1464-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4060-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1464-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4060-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4060-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe File created C:\Windows\rss\csrss.exe 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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 2444 sc.exe -
pid Process 4316 powershell.exe 2496 powershell.exe 4804 powershell.exe 4872 powershell.exe 4424 powershell.exe 4784 powershell.exe 3196 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4524 schtasks.exe 3736 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-2342 = "Haiti Standard Time" windefender.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\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.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" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe 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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4316 powershell.exe 4316 powershell.exe 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 2496 powershell.exe 2496 powershell.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4804 powershell.exe 4804 powershell.exe 4872 powershell.exe 4872 powershell.exe 4424 powershell.exe 4424 powershell.exe 4784 powershell.exe 4784 powershell.exe 3196 powershell.exe 3196 powershell.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 1664 csrss.exe 1664 csrss.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 1664 csrss.exe 1664 csrss.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 1664 csrss.exe 1664 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Token: SeImpersonatePrivilege 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Token: SeDebugPrivilege 2496 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeSystemEnvironmentPrivilege 1664 csrss.exe Token: SeSecurityPrivilege 2444 sc.exe Token: SeSecurityPrivilege 2444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 932 wrote to memory of 4316 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 95 PID 932 wrote to memory of 4316 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 95 PID 932 wrote to memory of 4316 932 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 95 PID 4480 wrote to memory of 2496 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 100 PID 4480 wrote to memory of 2496 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 100 PID 4480 wrote to memory of 2496 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 100 PID 4480 wrote to memory of 1044 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 103 PID 4480 wrote to memory of 1044 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 103 PID 1044 wrote to memory of 4112 1044 cmd.exe 105 PID 1044 wrote to memory of 4112 1044 cmd.exe 105 PID 4480 wrote to memory of 4804 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 107 PID 4480 wrote to memory of 4804 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 107 PID 4480 wrote to memory of 4804 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 107 PID 4480 wrote to memory of 4872 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 109 PID 4480 wrote to memory of 4872 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 109 PID 4480 wrote to memory of 4872 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 109 PID 4480 wrote to memory of 1664 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 111 PID 4480 wrote to memory of 1664 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 111 PID 4480 wrote to memory of 1664 4480 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 111 PID 1664 wrote to memory of 4424 1664 csrss.exe 112 PID 1664 wrote to memory of 4424 1664 csrss.exe 112 PID 1664 wrote to memory of 4424 1664 csrss.exe 112 PID 1664 wrote to memory of 4784 1664 csrss.exe 118 PID 1664 wrote to memory of 4784 1664 csrss.exe 118 PID 1664 wrote to memory of 4784 1664 csrss.exe 118 PID 1664 wrote to memory of 3196 1664 csrss.exe 120 PID 1664 wrote to memory of 3196 1664 csrss.exe 120 PID 1664 wrote to memory of 3196 1664 csrss.exe 120 PID 1664 wrote to memory of 2396 1664 csrss.exe 122 PID 1664 wrote to memory of 2396 1664 csrss.exe 122 PID 1464 wrote to memory of 4860 1464 windefender.exe 129 PID 1464 wrote to memory of 4860 1464 windefender.exe 129 PID 1464 wrote to memory of 4860 1464 windefender.exe 129 PID 4860 wrote to memory of 2444 4860 cmd.exe 130 PID 4860 wrote to memory of 2444 4860 cmd.exe 130 PID 4860 wrote to memory of 2444 4860 cmd.exe 130 -
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\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4316
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C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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:4480 -
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:2496
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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:1044 -
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:4112
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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:4804
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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:4872
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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:1664 -
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:4424
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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:4524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4120
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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:4784
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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:3196
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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:2396
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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:3736
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1464 -
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:4860 -
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:2444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4060
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1fec0668775cba1eb4e07df4351d5d0
SHA1abb58cb418dbac88e2fcd6c4c930a403dde50698
SHA256f69a482429ffca0b1d347546ac245417452be301950ddee2c85b7314378a67ae
SHA51289c8500323e546f55d4398718c8dd891ea481836a6907f45958dd4f673d12607cfc14a7dabe853dd1d52383780cfedaada865a68e1f668de8d884d0a697ce26d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f67d4a7be48220a828d6fa209ebda45
SHA1af99955a9d84b76406aacc8c9d4fd066020ff033
SHA256d2f44833029068fcfbd392b4adc2088c23c7fe1bc4db3b65a8610acccad36d6e
SHA5121e387a0e68853f4b18f52d0271479ae770c0a5dabd86bde1220502a353443b3ec8ad1e4b71086fc0a9346c11d874a7a7a1fbd932f005a88ae9a464485128e37e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565a89c3c48926b8279a97cfd3cb8c418
SHA1273153d87f98b22f15b70f137bf50da49e7de344
SHA2564cb4712c998e93725ef4e05d0baae7e25416301d518d9bb9bfa0f7eeb6f3a005
SHA5125632443f3cddb0f1fd65b5df7c37431513df6d57a5682cb4d799be34f92a9706b4151cbb9c6ce3e5378d715dfed2048b008bbdce121d4c1a55679a9f9bb4d952
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585791a294e2f4157942738365452c510
SHA1e8b7e3fe984564e392e75681445e7e008dd3c98c
SHA2564044e1ff07d702cc69b63bc66e45d08703b356cfac32838fb258895efa8fbd39
SHA5123cdada2af6a23da9a5120af7528be53defd967d476dcf5ca99557a5c904042bff6504ca3bf839aadaf1ca9d19d8855afd0bce49fd517129c24d9eb1b9e1937aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547be0b9f1913f6a81b931486d740911c
SHA1aa1870318092cf3f4b3968125b50750381c5ce02
SHA256b6e4fb13505c93cfb694d713b788dd996348e418d7cddbf4d9b785f40d6fa435
SHA512363653a38bc507d3a29da60305a0e9d53c39a18e0e3aee7e1794518e2981c37a25e72686f3e1349ca588ac23c4e9aa221b9a0665a7ad96f85776106080824eeb
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Filesize
4.1MB
MD5bc04b2a5cb3e66e9710232c5b4f2039f
SHA1b33ae0eb4e056a846c9675d64584ddaa527640fc
SHA25679ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf
SHA51239f8fb2f8d7eb0584bad1a3c227a4204b108c893e576595a9f6d1e17010a3edc9570daef5c5044c9a46aca240215a109e1b92d474d3de9de253d9314688819f3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec