Analysis
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max time kernel
149s -
max time network
145s -
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 11:32
Static task
static1
Behavioral task
behavioral1
Sample
6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe
Resource
win10v2004-20240226-en
General
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Target
6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe
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Size
4.1MB
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MD5
049e0e0c590c3d9f4f5686e1ff193360
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SHA1
a7ba083743090df0892d5a623d20bb2f65e1317b
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SHA256
6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f
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SHA512
836e521676d3605016a7fa69e7bb90c546168a3d46ecb1f27b91b74ae6408a228e45dbbb6d754ba120deb15dadb566c7a078741363ad47b7cdb948405e6a1118
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SSDEEP
98304:AZ9bi3QNEOtUId2petU9sYIhWVMAA4+H7:p303UIApyYIhWVMEi
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2312-2-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral2/memory/2312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2312-145-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral2/memory/2312-143-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2312-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2068-198-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-201-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4680-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4680 csrss.exe 1008 injector.exe 4848 windefender.exe 3880 windefender.exe -
resource yara_rule behavioral2/memory/4848-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa34-207.dat upx behavioral2/memory/4848-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 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 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3156 sc.exe -
pid Process 1408 powershell.exe 1332 powershell.exe 2040 powershell.exe 3052 powershell.exe 3472 powershell.exe 1364 powershell.exe 3596 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 1360 schtasks.exe 4812 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.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\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1408 powershell.exe 1408 powershell.exe 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 1332 powershell.exe 1332 powershell.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 2040 powershell.exe 2040 powershell.exe 3052 powershell.exe 3052 powershell.exe 3472 powershell.exe 3472 powershell.exe 1364 powershell.exe 1364 powershell.exe 3596 powershell.exe 3596 powershell.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4680 csrss.exe 4680 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4680 csrss.exe 4680 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4680 csrss.exe 4680 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Token: SeImpersonatePrivilege 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeSystemEnvironmentPrivilege 4680 csrss.exe Token: SeSecurityPrivilege 3156 sc.exe Token: SeSecurityPrivilege 3156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2312 wrote to memory of 1408 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 82 PID 2312 wrote to memory of 1408 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 82 PID 2312 wrote to memory of 1408 2312 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 82 PID 2068 wrote to memory of 1332 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 88 PID 2068 wrote to memory of 1332 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 88 PID 2068 wrote to memory of 1332 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 88 PID 2068 wrote to memory of 244 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 109 PID 2068 wrote to memory of 244 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 109 PID 244 wrote to memory of 768 244 cmd.exe 92 PID 244 wrote to memory of 768 244 cmd.exe 92 PID 2068 wrote to memory of 2040 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 93 PID 2068 wrote to memory of 2040 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 93 PID 2068 wrote to memory of 2040 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 93 PID 2068 wrote to memory of 3052 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 95 PID 2068 wrote to memory of 3052 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 95 PID 2068 wrote to memory of 3052 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 95 PID 2068 wrote to memory of 4680 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 97 PID 2068 wrote to memory of 4680 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 97 PID 2068 wrote to memory of 4680 2068 6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe 97 PID 4680 wrote to memory of 3472 4680 csrss.exe 98 PID 4680 wrote to memory of 3472 4680 csrss.exe 98 PID 4680 wrote to memory of 3472 4680 csrss.exe 98 PID 4680 wrote to memory of 1364 4680 csrss.exe 104 PID 4680 wrote to memory of 1364 4680 csrss.exe 104 PID 4680 wrote to memory of 1364 4680 csrss.exe 104 PID 4680 wrote to memory of 3596 4680 csrss.exe 106 PID 4680 wrote to memory of 3596 4680 csrss.exe 106 PID 4680 wrote to memory of 3596 4680 csrss.exe 106 PID 4680 wrote to memory of 1008 4680 csrss.exe 108 PID 4680 wrote to memory of 1008 4680 csrss.exe 108 PID 4848 wrote to memory of 3104 4848 windefender.exe 114 PID 4848 wrote to memory of 3104 4848 windefender.exe 114 PID 4848 wrote to memory of 3104 4848 windefender.exe 114 PID 3104 wrote to memory of 3156 3104 cmd.exe 115 PID 3104 wrote to memory of 3156 3104 cmd.exe 115 PID 3104 wrote to memory of 3156 3104 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\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe"C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408
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C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe"C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.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:2068 -
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:1332
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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:244 -
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:768
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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:2040
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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:3052
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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:4680 -
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:3472
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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:1360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2764
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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:1364
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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:3596
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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:1008 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:244
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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:4812
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4848 -
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:3104 -
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:3156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3880
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
MD5541d776407f6347939ee1233a572987b
SHA1dd9401cc7da888241859899be422377fd37691a3
SHA25676d9ac8eb016aabf215d25a8c729349d09459ba399b2bd011964777951473a04
SHA512a94d11ff9d041e3b9b203965d596930d5af7f5310d55e78c3bd3d6586c5e42d3ee75b5a18dfdbb45a3a9ff48ea400721039c979fe7e323000fe5c319aa61e42a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db346b20dcf5658083d257621aa59f7a
SHA19499fda35728d86b1f8359d9f90269a4717d5d2e
SHA25623e2280210f09ba80ab8334decfe1288c517d0735c04855c57cd7831aa117146
SHA5127e17ffaa98f9b9e19987a96007bda3f61c39691c2c0534f79f0d4110a6c286b6ee67bcf245ead7434d7dffa3f060866cc232536614ef8b5bbccce3d5c265e3dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587981b108d01c24b6462f9ea265bc415
SHA1109d1aaf14304d81e236041ae6492ef6fa0473c7
SHA256d1342c81f5a035ba00d8cccad19a21a1a6f38215abfe92046607b060e41b7ae9
SHA5121bc9ecef0c460e0336745bc723cf41854369f9694c70d70398464b58d39ca9a23b8ea7d4e63a363caa66e5850a9c567973762b7c3e081aad347d3474ddbd624b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568c1a6ef3ebbfe0f12f1f5480ef55d8d
SHA1e3eb0898c07320d5a4deabc1e9bf2a6def0a1145
SHA2565e173b478e2c96c1dcaca0e3a9b63913ae64a5bdef3bec0a54cc3faf19ad776d
SHA512b93c0ec100a328b0a0688dda73b0b006610a32f58769addb6761a3466afadb9c1af23c623b24a1907df95fdd93be5359cc9fd0ef2d20f7c114f88cb69e1a340f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e186ce3ec44565511ea6494cffa6e980
SHA1856734a75accd841eea4bea3cb8a8a88a46db051
SHA256ad22956df87494c896e4cbecf29fb80e6ce4436f2f75f029c75a49a6848f4bef
SHA51202632e0c167e2b9b635b680d64739bb3133e72f486dbcbdb92283e469c19330fec32617036508c77ef9d0d888cf47b85c5637a2432eea5a6c119048a21f3d475
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Filesize
4.1MB
MD5049e0e0c590c3d9f4f5686e1ff193360
SHA1a7ba083743090df0892d5a623d20bb2f65e1317b
SHA2566ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f
SHA512836e521676d3605016a7fa69e7bb90c546168a3d46ecb1f27b91b74ae6408a228e45dbbb6d754ba120deb15dadb566c7a078741363ad47b7cdb948405e6a1118
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec