Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 16:48
Static task
static1
Behavioral task
behavioral1
Sample
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe
Resource
win10v2004-20240508-en
General
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Target
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe
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Size
4.1MB
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MD5
5b38264cc680d5ad6624ef21f46b5b30
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SHA1
3c03d3a0baa47e81a43eda7433af0a0b4a15295a
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SHA256
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb
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SHA512
54e2a771a6a3546cfb908952f11a804edbe6a89e5871e7be6263cd2efdb36a9803bd2faf240fd95e0e13d30852c0438ba5d0c0a4ac63cf78816e93c954d0b61e
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SSDEEP
98304:Ic7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPb:4X++d2b0aMbplZO0sFfSb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4308-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/4308-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1540-121-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4308-146-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral2/memory/4308-144-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4308-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3108-201-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-212-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3108-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1604 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3108 csrss.exe 3628 injector.exe 2104 windefender.exe 4656 windefender.exe -
resource yara_rule behavioral2/memory/2104-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1c-207.dat upx behavioral2/memory/4656-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2104-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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 -
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 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe File created C:\Windows\rss\csrss.exe 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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 2716 sc.exe -
pid Process 1012 powershell.exe 3660 powershell.exe 244 powershell.exe 4524 powershell.exe 2868 powershell.exe 1544 powershell.exe 3900 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 1296 schtasks.exe 3008 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\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1012 powershell.exe 1012 powershell.exe 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 3660 powershell.exe 3660 powershell.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 244 powershell.exe 244 powershell.exe 4524 powershell.exe 4524 powershell.exe 2868 powershell.exe 2868 powershell.exe 1544 powershell.exe 1544 powershell.exe 3900 powershell.exe 3900 powershell.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3108 csrss.exe 3108 csrss.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3108 csrss.exe 3108 csrss.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3108 csrss.exe 3108 csrss.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe 3628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Token: SeImpersonatePrivilege 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeSystemEnvironmentPrivilege 3108 csrss.exe Token: SeSecurityPrivilege 2716 sc.exe Token: SeSecurityPrivilege 2716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4308 wrote to memory of 1012 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 81 PID 4308 wrote to memory of 1012 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 81 PID 4308 wrote to memory of 1012 4308 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 81 PID 1540 wrote to memory of 3660 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 87 PID 1540 wrote to memory of 3660 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 87 PID 1540 wrote to memory of 3660 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 87 PID 1540 wrote to memory of 3824 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 89 PID 1540 wrote to memory of 3824 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 89 PID 3824 wrote to memory of 1604 3824 cmd.exe 91 PID 3824 wrote to memory of 1604 3824 cmd.exe 91 PID 1540 wrote to memory of 244 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 92 PID 1540 wrote to memory of 244 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 92 PID 1540 wrote to memory of 244 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 92 PID 1540 wrote to memory of 4524 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 94 PID 1540 wrote to memory of 4524 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 94 PID 1540 wrote to memory of 4524 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 94 PID 1540 wrote to memory of 3108 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 1540 wrote to memory of 3108 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 1540 wrote to memory of 3108 1540 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 3108 wrote to memory of 2868 3108 csrss.exe 97 PID 3108 wrote to memory of 2868 3108 csrss.exe 97 PID 3108 wrote to memory of 2868 3108 csrss.exe 97 PID 3108 wrote to memory of 1544 3108 csrss.exe 103 PID 3108 wrote to memory of 1544 3108 csrss.exe 103 PID 3108 wrote to memory of 1544 3108 csrss.exe 103 PID 3108 wrote to memory of 3900 3108 csrss.exe 105 PID 3108 wrote to memory of 3900 3108 csrss.exe 105 PID 3108 wrote to memory of 3900 3108 csrss.exe 105 PID 3108 wrote to memory of 3628 3108 csrss.exe 107 PID 3108 wrote to memory of 3628 3108 csrss.exe 107 PID 2104 wrote to memory of 4648 2104 windefender.exe 113 PID 2104 wrote to memory of 4648 2104 windefender.exe 113 PID 2104 wrote to memory of 4648 2104 windefender.exe 113 PID 4648 wrote to memory of 2716 4648 cmd.exe 114 PID 4648 wrote to memory of 2716 4648 cmd.exe 114 PID 4648 wrote to memory of 2716 4648 cmd.exe 114 -
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\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
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C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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:1540 -
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:3660
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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:3824 -
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:1604
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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:244
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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:4524
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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:3108 -
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:2868
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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:1296
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4928
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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:1544
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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:3900
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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:3628
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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:3008
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2104 -
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:4648 -
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:2716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4656
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e87d3a1dd8cc612a94731d13d2d5c6a1
SHA1260146dc620664293aa3d3c03034e6f282d94969
SHA256055e89ca4fcba743828a71d9e153e372b93ee373d9f295b481af375ff66f03d2
SHA5124e4e45e1fb551e6f8e0815e695a2864bb1cb99148cbd996ad21eca0e2ed217d2b197b012d74b63ec393c35f23b2d366a837e26dcf8403b4ade79fcb243fe5069
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1e0081339a229d3412e1390a848a025
SHA12632e4db3e3ac00550f1c35cd46b3d3fbae22998
SHA256bea256273d94c9bd5f24ffad5723cf89ed578cdbaf2fb67af63098b9c8dae582
SHA51213f740947acf165da0fff2412c36113a109a4ef6133732a66be7080a31933a36a037862ba5ce8da812aef3bfa59de9df2becabd1a54d62d4f60c11272a152139
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c63c3433b07e820c6c082cfd83e53ca
SHA1279577225a456c36e5a5697c4aba04ba0784696e
SHA2565383b5791a1a50a028c4170ea53f2df874d3aaf553da3b929e23782ab8901b75
SHA512cf99b129ed4f2a8e0b93a9387d161891c495aec660f53ec3929fe7ec7e79d64ea457507a5992442464c677e9fb7243dbde0debd9ee6a8cda82a9c63792f89931
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b0712808b7f5caa7b6405fe3d48505a
SHA14f200619514bc6acba5dfa0d3424793e08187140
SHA256594845ef4f39fe46c432a2d0f879e8cc9fad032aa947e5d351b0aca6373bbf6f
SHA5127d01baadd89686c330ab4721f1664394c853b21ed3a351c057a36818bc5cf0b489f564c52afcb00d74ac927e8f4ecc26f0cbfed90b3dcdda09806664e8052f84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5427fe0ca7e39a90ea4cc3c9be943aec9
SHA10286293d05b702651876e829b74a2242da1e5a7e
SHA2569c394c126886a38e1bb586e38bf587f36ceda3489b7061e3135e0e1388ee1c2d
SHA512a8bbc4c1b9e321b7d2be06ce867e20f7a371f829fdbde2ff7f72914e47805f02a2a68a4b44f68e773b68aead536ad6a562d1f74a21063d0e278321b53e49962e
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Filesize
4.1MB
MD55b38264cc680d5ad6624ef21f46b5b30
SHA13c03d3a0baa47e81a43eda7433af0a0b4a15295a
SHA25628069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb
SHA51254e2a771a6a3546cfb908952f11a804edbe6a89e5871e7be6263cd2efdb36a9803bd2faf240fd95e0e13d30852c0438ba5d0c0a4ac63cf78816e93c954d0b61e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec