Analysis
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max time kernel
149s -
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
15/05/2024, 19:22
Static task
static1
Behavioral task
behavioral1
Sample
45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe
Resource
win10v2004-20240508-en
General
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Target
45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe
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Size
4.1MB
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MD5
e285774ca0642cd61c42dfffd04ed622
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SHA1
87a9760f8f962ba675a5fe77ec70d3d1409619e1
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SHA256
45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c
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SHA512
0f0a5f76ab39aebf688b3cd9b9c7e2abc5b4a1db64f906b0a9295b3d9410a18574b1da628a4695d4c74c2a37a70c740bc818a8e4b2de474d271233edfbab5132
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SSDEEP
98304:XvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y13:Xv8u49ZH7eDfxu9yMsE3
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3068-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3068-57-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3068-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3068-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3312-70-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3312-135-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2252-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2252 csrss.exe 3132 injector.exe 2468 windefender.exe 3804 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023566-225.dat upx behavioral1/memory/2468-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2468-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe File created C:\Windows\rss\csrss.exe 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.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 2680 sc.exe -
pid Process 4544 powershell.exe 1500 powershell.exe 2616 powershell.exe 1620 powershell.exe 2908 powershell.exe 4776 powershell.exe 2004 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 808 schtasks.exe 748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.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" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\SmartCardRoot powershell.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\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt 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" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4776 powershell.exe 4776 powershell.exe 4776 powershell.exe 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 2004 powershell.exe 2004 powershell.exe 2004 powershell.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 4544 powershell.exe 4544 powershell.exe 4544 powershell.exe 1500 powershell.exe 1500 powershell.exe 1500 powershell.exe 2616 powershell.exe 2616 powershell.exe 2616 powershell.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 2908 powershell.exe 2908 powershell.exe 2908 powershell.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 2252 csrss.exe 2252 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 2252 csrss.exe 2252 csrss.exe 3132 injector.exe 3132 injector.exe 2252 csrss.exe 2252 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Token: SeImpersonatePrivilege 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe Token: SeDebugPrivilege 2004 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 csrss.exe Token: SeSecurityPrivilege 2680 sc.exe Token: SeSecurityPrivilege 2680 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3068 wrote to memory of 4776 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 104 PID 3068 wrote to memory of 4776 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 104 PID 3068 wrote to memory of 4776 3068 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 104 PID 3312 wrote to memory of 2004 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 109 PID 3312 wrote to memory of 2004 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 109 PID 3312 wrote to memory of 2004 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 109 PID 3312 wrote to memory of 2196 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 112 PID 3312 wrote to memory of 2196 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 112 PID 2196 wrote to memory of 436 2196 cmd.exe 114 PID 2196 wrote to memory of 436 2196 cmd.exe 114 PID 3312 wrote to memory of 4544 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 115 PID 3312 wrote to memory of 4544 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 115 PID 3312 wrote to memory of 4544 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 115 PID 3312 wrote to memory of 1500 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 118 PID 3312 wrote to memory of 1500 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 118 PID 3312 wrote to memory of 1500 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 118 PID 3312 wrote to memory of 2252 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 120 PID 3312 wrote to memory of 2252 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 120 PID 3312 wrote to memory of 2252 3312 45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe 120 PID 2252 wrote to memory of 2616 2252 csrss.exe 121 PID 2252 wrote to memory of 2616 2252 csrss.exe 121 PID 2252 wrote to memory of 2616 2252 csrss.exe 121 PID 2252 wrote to memory of 1620 2252 csrss.exe 127 PID 2252 wrote to memory of 1620 2252 csrss.exe 127 PID 2252 wrote to memory of 1620 2252 csrss.exe 127 PID 2252 wrote to memory of 2908 2252 csrss.exe 129 PID 2252 wrote to memory of 2908 2252 csrss.exe 129 PID 2252 wrote to memory of 2908 2252 csrss.exe 129 PID 2252 wrote to memory of 3132 2252 csrss.exe 131 PID 2252 wrote to memory of 3132 2252 csrss.exe 131 PID 2468 wrote to memory of 3156 2468 windefender.exe 137 PID 2468 wrote to memory of 3156 2468 windefender.exe 137 PID 2468 wrote to memory of 3156 2468 windefender.exe 137 PID 3156 wrote to memory of 2680 3156 cmd.exe 138 PID 3156 wrote to memory of 2680 3156 cmd.exe 138 PID 3156 wrote to memory of 2680 3156 cmd.exe 138 -
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\45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe"C:\Users\Admin\AppData\Local\Temp\45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Users\Admin\AppData\Local\Temp\45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.exe"C:\Users\Admin\AppData\Local\Temp\45fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c.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:3312 -
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:2004
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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:2196 -
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:436
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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:4544
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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:1500
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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:2252 -
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:2616
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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:808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2216
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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:1620
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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:2908
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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:3132
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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:748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2468 -
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:3156 -
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:2680
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1036,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:81⤵PID:3876
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3804
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
MD5120de31a8998dc5f40366cdec0023b1a
SHA195591ee8a4e03ca7ce3cb3eb5d6f8264e796e85b
SHA256077ab4b04ba61c7c92efe3d8f05e9544b81a4bdca335a52102409ffa036fe0cf
SHA512e716ffcc847c78a0c9a12dee03b46927cb023ce0c939edd4c707555a16f0ab45f6f9eb3ed7b63f6e885cfe646a9a96c7b5e417d48ad29ec453ad7590a2bb6077
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592a58381b9450727d3711f571df6b172
SHA1003847d88dbe0957a8492248d96ca06adc8c0072
SHA2561b6bc9a42653e5a81065903ffb8ed31031c34457cc247233ebeb82ade1c05932
SHA51260fa72eb00ff707d81ec4512aa683e862c86d065783790b2861d1686541481b742f93a5a2072f326e2063362791a66f3b07345e1f93195942c91dd89c8e5c273
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5320e0d59368398129f27aa10da234fae
SHA100c25c7baaf053d9673b301e4a7ec3e1faf6cf45
SHA256b20ab7f2b367dc4208f9ecef24da83a5be71c54f3f27402ca152050ca226ed40
SHA5125307f52043ab6500caf3b29d069485307155f5502d85e29d4d9b587222b35235b84467d0d11e11617bc91ab2c886f468023f8d850965816bb9bd87d4999c9e30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56046bcb7ed30b0f83e65dec798cd4f47
SHA19ed17088496640ac089b1028fda5c3beaa41db33
SHA2560fc55ce758d6994a2a3e8432afdce94dd9a8082877364ef96651827647cee46b
SHA512c848a0b688a3c6ef60fbe74f0495444b05c56811ee16ae2fd723623c2c8d9b800e3a8e1d969e34edf670512580bbf5e676e1485b953e71ba417db10a585ddfd1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afd9d94a300148ed9117ca1dab6d4496
SHA1aff0b756719eef00044c79addc65eb75ca6ab5bb
SHA2562ffb57ed9830159ac555b06ea42288f9bcda9f260562886f1917c1120448c7cb
SHA512a618057a63bb03802f7c3205af9b30a2cc09288400bd477b1f44b14e45f355b6431279530a4d859fd776b2051d4635002e22ebe8470eac3af0897f3551400e15
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Filesize
4.1MB
MD5e285774ca0642cd61c42dfffd04ed622
SHA187a9760f8f962ba675a5fe77ec70d3d1409619e1
SHA25645fc5537e7dd996052373650e8fd956df3426fbb253d31d56d2597a3eb44ac9c
SHA5120f0a5f76ab39aebf688b3cd9b9c7e2abc5b4a1db64f906b0a9295b3d9410a18574b1da628a4695d4c74c2a37a70c740bc818a8e4b2de474d271233edfbab5132
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec