Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 17:58
Static task
static1
Behavioral task
behavioral1
Sample
b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe
Resource
win11-20240426-en
General
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Target
b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe
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Size
4.1MB
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MD5
21e3a01ed8d20365c4f3db069e636cc2
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SHA1
67bae0d7500592fbeeb5a5049bbf2b45c1d7b020
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SHA256
b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd
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SHA512
0377c9455b1801af40bde90c51a7affe89a1c2e384988635ba75e22eadd63d5e074317728ceace4b8a2fd6cbbd99155e692b0793e68ae7a670fcb469c8e98d32
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SSDEEP
98304:A557or8YMdWV8xcrChUIDCoHczW4WQrxCgsiGsm1N9Zshd41TTimT:A5w86GcrCCoczCJiGXN9ZshdAimT
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1540-2-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/1540-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1540-105-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1400-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1400-135-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/1500-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2052 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1500 csrss.exe 4780 injector.exe 4380 windefender.exe 1676 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023447-219.dat upx behavioral1/memory/4380-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1676-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4380-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1676-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1676-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe File created C:\Windows\rss\csrss.exe b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.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 2620 sc.exe -
pid Process 3408 powershell.exe 5116 powershell.exe 2372 powershell.exe 2920 powershell.exe 1536 powershell.exe 2252 powershell.exe 4052 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 1368 schtasks.exe 4692 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard 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,-2612 = "Bougainville Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville 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,-1862 = "Russia TZ 6 Standard Time" b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2372 powershell.exe 2372 powershell.exe 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 2920 powershell.exe 2920 powershell.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 1536 powershell.exe 1536 powershell.exe 2252 powershell.exe 2252 powershell.exe 4052 powershell.exe 4052 powershell.exe 3408 powershell.exe 3408 powershell.exe 5116 powershell.exe 5116 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1500 csrss.exe 1500 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1500 csrss.exe 1500 csrss.exe 4780 injector.exe 4780 injector.exe 1500 csrss.exe 1500 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Token: SeImpersonatePrivilege 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeSystemEnvironmentPrivilege 1500 csrss.exe Token: SeSecurityPrivilege 2620 sc.exe Token: SeSecurityPrivilege 2620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1540 wrote to memory of 2372 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 86 PID 1540 wrote to memory of 2372 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 86 PID 1540 wrote to memory of 2372 1540 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 86 PID 1400 wrote to memory of 2920 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 95 PID 1400 wrote to memory of 2920 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 95 PID 1400 wrote to memory of 2920 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 95 PID 1400 wrote to memory of 3496 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 98 PID 1400 wrote to memory of 3496 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 98 PID 3496 wrote to memory of 2052 3496 cmd.exe 100 PID 3496 wrote to memory of 2052 3496 cmd.exe 100 PID 1400 wrote to memory of 1536 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 101 PID 1400 wrote to memory of 1536 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 101 PID 1400 wrote to memory of 1536 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 101 PID 1400 wrote to memory of 2252 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 104 PID 1400 wrote to memory of 2252 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 104 PID 1400 wrote to memory of 2252 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 104 PID 1400 wrote to memory of 1500 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 106 PID 1400 wrote to memory of 1500 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 106 PID 1400 wrote to memory of 1500 1400 b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe 106 PID 1500 wrote to memory of 4052 1500 csrss.exe 107 PID 1500 wrote to memory of 4052 1500 csrss.exe 107 PID 1500 wrote to memory of 4052 1500 csrss.exe 107 PID 1500 wrote to memory of 3408 1500 csrss.exe 112 PID 1500 wrote to memory of 3408 1500 csrss.exe 112 PID 1500 wrote to memory of 3408 1500 csrss.exe 112 PID 1500 wrote to memory of 5116 1500 csrss.exe 115 PID 1500 wrote to memory of 5116 1500 csrss.exe 115 PID 1500 wrote to memory of 5116 1500 csrss.exe 115 PID 1500 wrote to memory of 4780 1500 csrss.exe 117 PID 1500 wrote to memory of 4780 1500 csrss.exe 117 PID 4380 wrote to memory of 2688 4380 windefender.exe 124 PID 4380 wrote to memory of 2688 4380 windefender.exe 124 PID 4380 wrote to memory of 2688 4380 windefender.exe 124 PID 2688 wrote to memory of 2620 2688 cmd.exe 125 PID 2688 wrote to memory of 2620 2688 cmd.exe 125 PID 2688 wrote to memory of 2620 2688 cmd.exe 125 -
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\b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe"C:\Users\Admin\AppData\Local\Temp\b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2372
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C:\Users\Admin\AppData\Local\Temp\b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.exe"C:\Users\Admin\AppData\Local\Temp\b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd.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:1400 -
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:2920
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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:3496 -
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:2052
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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:1536
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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:2252
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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:1500 -
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:4052
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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:1368
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3712
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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:3408
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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:5116
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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:4780
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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:4692
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4380 -
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:2688 -
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:2620
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1676
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f52a516a3c81fc3150b5d6f83b9d56d
SHA111bd573ad3a387f370139510e12b9f0fe9ad7602
SHA25657edcbdfaeaf57e6c22a803625ebd9237f0fdbc418b8cd0fc9e48b9506fbcdb8
SHA512561105a86ea1d32cbee78ee01ea52d14dd0e286374dc542c8d738fb57a1a06b56ec9a92c697d7feb0d897909d6452513e18727ef0a9bb7cc4a5c63f4859dd55c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56df92b58225b726a40818a00f247f033
SHA10f2878f37badd492d6ccbec6c6b46274b0b98572
SHA2562ce7002ba2bc03fb59838acb945706a6d57c1e3d609f26dea9ce49d58121f0b0
SHA512302fe4802e29901ec751bcf2681ee02fd947366af8dba71d0979e3b66eef6fb8ddcb2731329938a3803fff1caacf90030ff13b6f2e77bd494cf49c9f24d553b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d773e5af8a99171461f380e35cb7d672
SHA1379e12c9299ba04f4a27c0a68e9a09d0cb908dfc
SHA2569343587ff76f4cd35926a22df8081fcfc9b7e153f7e4db5e8ae122574ff61e97
SHA512c07ad9e0b62c0ab61b4b619830a0f60c26db11d5243bca92d151d6c0865bd322d3685f5e418415f6c4fb726d1e4091a53b29ec4d586f853b129df60949105f9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52586c9983b88b8336d7eede31edf9439
SHA1f2b11f6a7600510800ac117b23fd846e81223e95
SHA2565d6c097e39dc2fa6c8e1b13bfec35a43d5a6ad3146a76353530f404714501edb
SHA5123700c4fefe971e3c694e394ba69124645f05699d85e2f70ddf6d382d829f87173222560f26c0bc99aefae0adbd6ce602fe3e964e6668bf5ab133a1680f7580c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53576c861f21155f67c69f4b9a7cf00ff
SHA1062de6353cb3102a95159e585fd382bb10f2f8e9
SHA25609a34b9b9c495451d7133141e08ba8598752885ac1c0bd340d51c94f2aa5a9ad
SHA512ca400019c6cfc744123ac5f3fffa57b02768b9647c604f77f4a6b163b97834ff166e0c6a7b94c5fbafa76801111aee66b2d896674320bac2890bfc86c42de7ec
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Filesize
4.1MB
MD521e3a01ed8d20365c4f3db069e636cc2
SHA167bae0d7500592fbeeb5a5049bbf2b45c1d7b020
SHA256b09edfcb1208b6fdf4cbc44de48fa1c4e768c2dbea014a3ebf121e040eb6e0bd
SHA5120377c9455b1801af40bde90c51a7affe89a1c2e384988635ba75e22eadd63d5e074317728ceace4b8a2fd6cbbd99155e692b0793e68ae7a670fcb469c8e98d32
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec