Analysis
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max time kernel
149s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe
Resource
win10v2004-20240508-en
General
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Target
4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe
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Size
4.1MB
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MD5
41671fa8975be8ebe5fae3d48308e38a
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SHA1
bfccefc2604461f51da2210633abd9af0bf6f55b
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SHA256
4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9
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SHA512
c9dccc79c8ae79900a9060e0889b35d28c270ba2b57be73e94363d801523ee1296720bd2832c68b793553fb66dec61e5e766c3e5259d23b2c91586f3639f110c
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SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSZ:QuOpIddBi3V8Ojm7gWylM939C8
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4440-2-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral2/memory/4440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4440-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4440-53-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral2/memory/4440-51-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4112-123-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4112-199-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-205-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-214-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-225-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/236-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3264 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 236 csrss.exe 5004 injector.exe 3276 windefender.exe 2592 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab65-208.dat upx behavioral2/memory/3276-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3276-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2592-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2592-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2592-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe File created C:\Windows\rss\csrss.exe 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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 1876 sc.exe -
pid Process 2388 powershell.exe 4560 powershell.exe 2316 powershell.exe 2148 powershell.exe 2944 powershell.exe 1916 powershell.exe 2344 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 1640 schtasks.exe 3548 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,-1801 = "Line Islands Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.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,-1932 = "Russia TZ 11 Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard 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" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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,-2391 = "Aleutian Daylight 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\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4560 powershell.exe 4560 powershell.exe 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 2316 powershell.exe 2316 powershell.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 2148 powershell.exe 2148 powershell.exe 2944 powershell.exe 2944 powershell.exe 1916 powershell.exe 1916 powershell.exe 2344 powershell.exe 2344 powershell.exe 2388 powershell.exe 2388 powershell.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 236 csrss.exe 236 csrss.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 236 csrss.exe 236 csrss.exe 236 csrss.exe 236 csrss.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe 5004 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Token: SeImpersonatePrivilege 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeDebugPrivilege 2388 powershell.exe Token: SeSystemEnvironmentPrivilege 236 csrss.exe Token: SeSecurityPrivilege 1876 sc.exe Token: SeSecurityPrivilege 1876 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4440 wrote to memory of 4560 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 81 PID 4440 wrote to memory of 4560 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 81 PID 4440 wrote to memory of 4560 4440 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 81 PID 4112 wrote to memory of 2316 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 88 PID 4112 wrote to memory of 2316 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 88 PID 4112 wrote to memory of 2316 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 88 PID 4112 wrote to memory of 1904 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 90 PID 4112 wrote to memory of 1904 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 90 PID 1904 wrote to memory of 3264 1904 cmd.exe 92 PID 1904 wrote to memory of 3264 1904 cmd.exe 92 PID 4112 wrote to memory of 2148 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 93 PID 4112 wrote to memory of 2148 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 93 PID 4112 wrote to memory of 2148 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 93 PID 4112 wrote to memory of 2944 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 95 PID 4112 wrote to memory of 2944 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 95 PID 4112 wrote to memory of 2944 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 95 PID 4112 wrote to memory of 236 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 97 PID 4112 wrote to memory of 236 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 97 PID 4112 wrote to memory of 236 4112 4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe 97 PID 236 wrote to memory of 1916 236 csrss.exe 98 PID 236 wrote to memory of 1916 236 csrss.exe 98 PID 236 wrote to memory of 1916 236 csrss.exe 98 PID 236 wrote to memory of 2344 236 csrss.exe 103 PID 236 wrote to memory of 2344 236 csrss.exe 103 PID 236 wrote to memory of 2344 236 csrss.exe 103 PID 236 wrote to memory of 2388 236 csrss.exe 106 PID 236 wrote to memory of 2388 236 csrss.exe 106 PID 236 wrote to memory of 2388 236 csrss.exe 106 PID 236 wrote to memory of 5004 236 csrss.exe 108 PID 236 wrote to memory of 5004 236 csrss.exe 108 PID 3276 wrote to memory of 2620 3276 windefender.exe 114 PID 3276 wrote to memory of 2620 3276 windefender.exe 114 PID 3276 wrote to memory of 2620 3276 windefender.exe 114 PID 2620 wrote to memory of 1876 2620 cmd.exe 115 PID 2620 wrote to memory of 1876 2620 cmd.exe 115 PID 2620 wrote to memory of 1876 2620 cmd.exe 115 -
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\4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe"C:\Users\Admin\AppData\Local\Temp\4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4560
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C:\Users\Admin\AppData\Local\Temp\4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.exe"C:\Users\Admin\AppData\Local\Temp\4c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9.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:4112 -
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:2316
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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:1904 -
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:3264
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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:2148
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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:2944
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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:236 -
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:1916
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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:1640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3772
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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:2344
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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:2388
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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:5004
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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:3548
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3276 -
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:2620 -
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:1876
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2592
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
MD56f66da7336c91384aade9d46202bc78c
SHA132c0f5718601bd2ffcea8b46b0fdb931ba34ef4f
SHA2561fccc207be7e6454e40810d6ff1f8f82c98068c82b39dce53b8b04cf92eedcdf
SHA512afb7a68c53d54d53c965fe32f21ab01e13e112ce99790d4105fd1c92ce03d1432e461d355807497a6c49165f2cfd245f5fa99534f6d6d904020344350f4adba1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511981259d023cda4d449b6f011c5c61b
SHA10a6ff8bfc551cf0ec7839803e6360b762abb861b
SHA256b3d298278c2a95ecbefbf8692ac36b2108a41021db9280c4529e57b7ad7f87be
SHA512768182dd94032af2bc70cffb81a0f8fb65348645c306ec40fdd03dff772ee6591e0543b4ae4df0581664db2e6599330ecb298f4a70d934402f6732a9456dda19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1d4d8a8f1d212e924464d5d6f684640
SHA1d3d1fbf1ebaf3cf597e954bf83fe2b705ccc0360
SHA25656d0a43f41e67f1b174b51d22333de2a94b74e65e5a2b99f1cbb271023e251ce
SHA51286d5b101bb671dca173d56f798b847cfbac3e71677a9891d0a9868ebee54bbcdcb30cff572858d5d2df7852d14ccd0376e122cd48b3abe1bf4a0acde32fdcd45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa2b327350e0ead35ad69a6824538961
SHA14ce19b8477cc1e1fd4a0818abc01bdeea19e584a
SHA25614982705887675a37219fbc280478a24fd28838da2a005ae42f39863115d88c9
SHA5121a0eab92481b41f586a8f9628ab8bdb7232b9570a9a38767302e5c98c06ad24201d684e861bb49030aa333b4d3a159477b64b4c0fbe573c9e7a8687b21fbf715
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58691fba2563e58630e01c0f1a82ad9f1
SHA1350d39602ac62039da054b44699cec21f25f7473
SHA256ccb57f372c4c5b0393887ba5f71357b095eaec92c9d414048a9b235ef80da120
SHA512d51c6051b3c5266cf8a7338211e8a92f98ff942536be1af32d392cef1b731c4a1c8a9387a5428175e898a7585651c4a6ed5360bd1ac673e3fd80d459b5137be2
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Filesize
4.1MB
MD541671fa8975be8ebe5fae3d48308e38a
SHA1bfccefc2604461f51da2210633abd9af0bf6f55b
SHA2564c98d0e58e34360fd8862acf310fb56296b99a23411f4a6257cf29ad2df51ba9
SHA512c9dccc79c8ae79900a9060e0889b35d28c270ba2b57be73e94363d801523ee1296720bd2832c68b793553fb66dec61e5e766c3e5259d23b2c91586f3639f110c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec