Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 09:49
Static task
static1
Behavioral task
behavioral1
Sample
fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe
Resource
win10v2004-20240426-en
General
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Target
fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe
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Size
4.1MB
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MD5
63de4b19c9840f731b34e3971b3f8949
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SHA1
4dc708bd2835496d8ba1df5525628b5a9de6d974
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SHA256
fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9
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SHA512
66811fec8a056a08567fced300339f037160af4344976af0bad3b1909882fc037591caf25382b689c1e8164ec37b968abcd04c6504a5cab6c5f9bc71193ae848
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SSDEEP
98304:es/18zn8PVuJq78zF8ySQ+vr9ciUhb4c/4pkVflC+y0b:N/2AQNeQEr+thb4czdeQ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3476-2-0x0000000004F60000-0x000000000584B000-memory.dmp family_glupteba behavioral1/memory/3476-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3476-28-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3476-57-0x0000000004F60000-0x000000000584B000-memory.dmp family_glupteba behavioral1/memory/3476-84-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3476-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/880-130-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/880-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-213-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-237-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-246-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-257-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-262-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-266-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1608-269-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4264 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1608 csrss.exe 3296 injector.exe 1652 windefender.exe 2984 windefender.exe -
resource yara_rule behavioral1/files/0x001400000002339b-223.dat upx behavioral1/memory/1652-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2984-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1652-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2984-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2984-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2984-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe File created C:\Windows\rss\csrss.exe fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.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 1368 sc.exe -
pid Process 3472 powershell.exe 1824 powershell.exe 3660 powershell.exe 412 powershell.exe 3760 powershell.exe 4060 powershell.exe 4388 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 400 schtasks.exe 4820 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde 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" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" 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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian 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\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4388 powershell.exe 4388 powershell.exe 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 3472 powershell.exe 3472 powershell.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 1824 powershell.exe 1824 powershell.exe 3660 powershell.exe 3660 powershell.exe 412 powershell.exe 412 powershell.exe 3760 powershell.exe 3760 powershell.exe 4060 powershell.exe 4060 powershell.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1608 csrss.exe 1608 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1608 csrss.exe 1608 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1608 csrss.exe 1608 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Token: SeImpersonatePrivilege 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 3760 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeSystemEnvironmentPrivilege 1608 csrss.exe Token: SeSecurityPrivilege 1368 sc.exe Token: SeSecurityPrivilege 1368 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3476 wrote to memory of 4388 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 93 PID 3476 wrote to memory of 4388 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 93 PID 3476 wrote to memory of 4388 3476 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 93 PID 880 wrote to memory of 3472 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 100 PID 880 wrote to memory of 3472 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 100 PID 880 wrote to memory of 3472 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 100 PID 880 wrote to memory of 3940 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 102 PID 880 wrote to memory of 3940 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 102 PID 3940 wrote to memory of 4264 3940 cmd.exe 104 PID 3940 wrote to memory of 4264 3940 cmd.exe 104 PID 880 wrote to memory of 1824 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 105 PID 880 wrote to memory of 1824 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 105 PID 880 wrote to memory of 1824 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 105 PID 880 wrote to memory of 3660 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 107 PID 880 wrote to memory of 3660 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 107 PID 880 wrote to memory of 3660 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 107 PID 880 wrote to memory of 1608 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 109 PID 880 wrote to memory of 1608 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 109 PID 880 wrote to memory of 1608 880 fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe 109 PID 1608 wrote to memory of 412 1608 csrss.exe 110 PID 1608 wrote to memory of 412 1608 csrss.exe 110 PID 1608 wrote to memory of 412 1608 csrss.exe 110 PID 1608 wrote to memory of 3760 1608 csrss.exe 117 PID 1608 wrote to memory of 3760 1608 csrss.exe 117 PID 1608 wrote to memory of 3760 1608 csrss.exe 117 PID 1608 wrote to memory of 4060 1608 csrss.exe 119 PID 1608 wrote to memory of 4060 1608 csrss.exe 119 PID 1608 wrote to memory of 4060 1608 csrss.exe 119 PID 1608 wrote to memory of 3296 1608 csrss.exe 121 PID 1608 wrote to memory of 3296 1608 csrss.exe 121 PID 1652 wrote to memory of 1344 1652 windefender.exe 128 PID 1652 wrote to memory of 1344 1652 windefender.exe 128 PID 1652 wrote to memory of 1344 1652 windefender.exe 128 PID 1344 wrote to memory of 1368 1344 cmd.exe 129 PID 1344 wrote to memory of 1368 1344 cmd.exe 129 PID 1344 wrote to memory of 1368 1344 cmd.exe 129 -
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\fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe"C:\Users\Admin\AppData\Local\Temp\fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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C:\Users\Admin\AppData\Local\Temp\fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.exe"C:\Users\Admin\AppData\Local\Temp\fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9.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:880 -
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:3472
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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:3940 -
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:4264
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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:1824
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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:3660
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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:1608 -
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:412
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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:400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1248
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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:3760
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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:4060
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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:3296
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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:4820
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1652 -
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:1344 -
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:1368
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2984
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
MD530238bd758b946537d974bc948b24292
SHA1896152aa51270bf70ad18ef8d447ca9446adda06
SHA256de8dbc29edc5f7d6c5c3ed1ad5adff2d1fac2f2d1e587cf70ceb38461331c083
SHA51246d26bf8f390d907fbfaab4064d5dd154f59e080d1a917892ad5fb5eaa260c3c92adf75a657f8113eee647f284fe7740da352ebfcdf65ab27939f0ef9c52ceb7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52592b6670e167fb641db08480461ac3c
SHA17a4376191637fce73d5db478b2804e93a584a9f2
SHA256cf66a4c1c80cf739eb5ba3cd55fb9bacba336e9dd01b3b22d690cef9ab5ec235
SHA51247891a67b87d180b59433323a2c15df0d9f8801edac08822d8f1442904086861315aaa407cee48707f8312d8b7ebcf0589e874b09fa852a7b9049cbc5aed48f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b5ad59971dda86f77a7d550bea640fc
SHA1877296be622aaabda6b2b887642f1e71d8201fb2
SHA25650b12bef784f6d283fc7351a816aa42220085669da228511b0c63f819465a98e
SHA512b76e4b38f732220ebb8fde095cd7c2080b4c87df18ad37bb8d77877cd7492306921672f247fe85121b44a89c14cefe78d813783ea8003f034eea79a33479f0ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ea96047f637fb725e9f7f89c41f94c0
SHA145ed50bafc28636d23beddae120a13e1d4ab519c
SHA25631a0cfcfce04f8952e62bbb168063d2af9f025b08eb38c001f3db928cc52b76f
SHA5121b6db10ec72683b4d5315693c886f5184f96710d75fe5f286987357028e942605c18dac1dd5ff086ab3fbfa3d27b15a97dd77f053a487ee5834c8b68785a69cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f69698941acc97bd213a3f90b03b1bec
SHA1cf98829368db6c0017e3a1fd30f0f70d321d15bb
SHA2564958c3c1fdab42d08c81c4e8e290f54a3e8f5c790a40d143ea244ac05f07fa86
SHA5123176262e9bea252a93bf7364248014eb7dcc47689e169d97a96b10e21be95b3334adf10c3bce9e2fbfd969417d48eb24c424dfa065a56222722cdc2824365b04
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Filesize
4.1MB
MD563de4b19c9840f731b34e3971b3f8949
SHA14dc708bd2835496d8ba1df5525628b5a9de6d974
SHA256fa9b9e1680ddd3f9d5d252d27c29f1f3ea4869e3cd1035a15078d8b3bfa92ec9
SHA51266811fec8a056a08567fced300339f037160af4344976af0bad3b1909882fc037591caf25382b689c1e8164ec37b968abcd04c6504a5cab6c5f9bc71193ae848
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec