Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-03-2024 20:23
Static task
static1
Behavioral task
behavioral1
Sample
3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe
Resource
win10v2004-20240226-en
General
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Target
3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe
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Size
4.1MB
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MD5
6250e38d75788f54437cef61f9cb28a8
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SHA1
14810a753c37551f8c29154927702e91f3e470f8
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SHA256
3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa
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SHA512
bed6250259176ae9fcfad18a4fed15a5496d8a27db8945e32f46f6670cbc19eb97083a81841364c28179a4ff4ebc0215d85a53dfa648dcae97e6acb395441c72
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SSDEEP
98304:lKRgzbnrqlEHV+iMzOaisXYsZYj1np6b4jV9X/fWiGsrCqzq8t:drQuavOhUbMV9MsrCA
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3448-2-0x00000000030C0000-0x00000000039AB000-memory.dmp family_glupteba behavioral2/memory/3448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3448-46-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3448-54-0x00000000030C0000-0x00000000039AB000-memory.dmp family_glupteba behavioral2/memory/2212-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3448-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2212-105-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2212-116-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2212-165-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3416-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5020 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3416 csrss.exe 2160 injector.exe 3428 windefender.exe 4136 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a80b-250.dat upx behavioral2/memory/3428-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4136-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4136-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\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 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe File created C:\Windows\rss\csrss.exe 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.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 2476 sc.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 4300 schtasks.exe 2856 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.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\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.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\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1704 powershell.exe 1704 powershell.exe 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 4156 powershell.exe 4156 powershell.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 4088 powershell.exe 4088 powershell.exe 4108 powershell.exe 4108 powershell.exe 420 powershell.exe 420 powershell.exe 4996 powershell.exe 4996 powershell.exe 3352 powershell.exe 3352 powershell.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 3416 csrss.exe 3416 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 3416 csrss.exe 3416 csrss.exe 2160 injector.exe 2160 injector.exe 3416 csrss.exe 3416 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Token: SeImpersonatePrivilege 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 420 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeSystemEnvironmentPrivilege 3416 csrss.exe Token: SeSecurityPrivilege 2476 sc.exe Token: SeSecurityPrivilege 2476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3448 wrote to memory of 1704 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 81 PID 3448 wrote to memory of 1704 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 81 PID 3448 wrote to memory of 1704 3448 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 81 PID 2212 wrote to memory of 4156 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 86 PID 2212 wrote to memory of 4156 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 86 PID 2212 wrote to memory of 4156 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 86 PID 2212 wrote to memory of 3956 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 88 PID 2212 wrote to memory of 3956 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 88 PID 3956 wrote to memory of 5020 3956 cmd.exe 90 PID 3956 wrote to memory of 5020 3956 cmd.exe 90 PID 2212 wrote to memory of 4088 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 91 PID 2212 wrote to memory of 4088 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 91 PID 2212 wrote to memory of 4088 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 91 PID 2212 wrote to memory of 4108 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 93 PID 2212 wrote to memory of 4108 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 93 PID 2212 wrote to memory of 4108 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 93 PID 2212 wrote to memory of 3416 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 95 PID 2212 wrote to memory of 3416 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 95 PID 2212 wrote to memory of 3416 2212 3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe 95 PID 3416 wrote to memory of 420 3416 csrss.exe 96 PID 3416 wrote to memory of 420 3416 csrss.exe 96 PID 3416 wrote to memory of 420 3416 csrss.exe 96 PID 3416 wrote to memory of 4996 3416 csrss.exe 102 PID 3416 wrote to memory of 4996 3416 csrss.exe 102 PID 3416 wrote to memory of 4996 3416 csrss.exe 102 PID 3416 wrote to memory of 3352 3416 csrss.exe 104 PID 3416 wrote to memory of 3352 3416 csrss.exe 104 PID 3416 wrote to memory of 3352 3416 csrss.exe 104 PID 3416 wrote to memory of 2160 3416 csrss.exe 106 PID 3416 wrote to memory of 2160 3416 csrss.exe 106 PID 3428 wrote to memory of 2464 3428 windefender.exe 112 PID 3428 wrote to memory of 2464 3428 windefender.exe 112 PID 3428 wrote to memory of 2464 3428 windefender.exe 112 PID 2464 wrote to memory of 2476 2464 cmd.exe 113 PID 2464 wrote to memory of 2476 2464 cmd.exe 113 PID 2464 wrote to memory of 2476 2464 cmd.exe 113 -
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\3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe"C:\Users\Admin\AppData\Local\Temp\3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704
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C:\Users\Admin\AppData\Local\Temp\3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.exe"C:\Users\Admin\AppData\Local\Temp\3b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa.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:2212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156
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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:3956 -
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:5020
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4108
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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:3416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:420
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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:4300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4996
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3352
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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:2160
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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:2856
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3428 -
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:2464 -
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:2476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4136
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f1c2e80af4b6d9388d1c7d1b36cf08f
SHA10908bb4b01b935402c6864b277fe7b204ca1456a
SHA256d8fd155f428e8ee8e6490c99f80aa5478422a774f4cc0700f96ffe267dc42350
SHA5123bc06f762dbcb3749c7e520a223164b4f3d1747fb59866399b196da8252573970f43599158402fe23d4f02337d163fc098f8b40a0806c07b8e489592344f228b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51bd701b0e859ea2707c7399baea633d8
SHA17852c7ca6d18e25880dda9a7486f15885ea1c0c5
SHA25648118c7c8333db27080dc59eeadd5d5d428854fb65fa829f4118ac87ae832d80
SHA5121e34c5ffe895e4dd616bfd20e743aecc3ac63b275110f8d719f5d8a94e5a71362398493cd5ca10699b8b57a157b1648d03ba1f8250316e21bde5cd350d9042e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59205abb44c6097ebaa4dad49386abf11
SHA18604a2cb402d955df654c86b316d29cd5baf14c7
SHA256e906fc646e57afc434c1847ca15db0cc243d579d30b51f916752ace3b539f521
SHA512e24991880235431c5b468a908c06f4749766920a7b54b842066a291ef2da085a9437e8314ce6f6dd7054514327d57fb016e776182f5240ce93d7db88840971a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51935f3978f4b75627ebd804090d8f05c
SHA1107d64975c0a9e1b8343df63b24fbf11da374099
SHA256a3a9303f8c44feb639bd4ef909c82998a9f0363a2822d44b81444c0dd0dc284c
SHA51200a90006f5d8d85d2214d330433b080b2f3b3b9cb6e85c290c94fd75e1ab36521fbc86af0f37b825c8a783afc67e3a2d12a83ca268754238f443e24c0ef6a2db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca5ea0a55a8f249409fab687fcabb21c
SHA1b3ecb0c407b5389f45d8dc948db2689caabea8d5
SHA25601a9a18495c8fb383aa3bf6862480f065734170dad8f920ad0795222459e5d8f
SHA5126b66035868817378d292dcc960176d0183ee37e775de69d83fe9c59abb37c3d7e314002f3ded4a271d1586f04cf10613cc9b829ae7ff6609c2d2a585c395f0aa
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Filesize
4.1MB
MD56250e38d75788f54437cef61f9cb28a8
SHA114810a753c37551f8c29154927702e91f3e470f8
SHA2563b0f6ec99b09c610627b0378b41fa207b3a192518571bc81f3f3a011b9d041fa
SHA512bed6250259176ae9fcfad18a4fed15a5496d8a27db8945e32f46f6670cbc19eb97083a81841364c28179a4ff4ebc0215d85a53dfa648dcae97e6acb395441c72
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec