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Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe
Resource
win10v2004-20240426-en
General
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Target
1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe
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Size
4.1MB
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MD5
886323b283469a27454a51930d1938ab
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SHA1
2babf5721d2399468bfd0aa761d8d14b9e8b9a7c
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SHA256
1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109
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SHA512
7854dfa07431ab33f411aef7b6d770226e82d8912b9da2b26cb06fc24a480b02123e5930ef8b73bf52503674a30c37019b19db1eccc1ecbea85e964f3775901e
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SSDEEP
98304:AZ9bi3QNEOtUId2petU9sYIhWVMAA4+Hk:p303UIApyYIhWVMER
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1844-2-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/1844-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1844-154-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/1844-153-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4676-205-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1844-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1036-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-262-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-266-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1036-270-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3016 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1036 csrss.exe 4012 injector.exe 2364 windefender.exe 2180 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023449-217.dat upx behavioral1/memory/2364-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2364-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2180-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2180-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2180-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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\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 File created 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 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe File created C:\Windows\rss\csrss.exe 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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 4748 sc.exe -
pid Process 2760 powershell.exe 4988 powershell.exe 3888 powershell.exe 4504 powershell.exe 2228 powershell.exe 3316 powershell.exe 1364 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 2748 schtasks.exe 1660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight 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,-31 = "Mid-Atlantic Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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,-571 = "China Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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\@tzres.dll,-602 = "Taipei Standard Time" windefender.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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1364 powershell.exe 1364 powershell.exe 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2760 powershell.exe 2760 powershell.exe 2760 powershell.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4988 powershell.exe 4988 powershell.exe 4988 powershell.exe 3888 powershell.exe 3888 powershell.exe 3888 powershell.exe 4504 powershell.exe 4504 powershell.exe 4504 powershell.exe 2228 powershell.exe 2228 powershell.exe 2228 powershell.exe 3316 powershell.exe 3316 powershell.exe 3316 powershell.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 1036 csrss.exe 1036 csrss.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 1036 csrss.exe 1036 csrss.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 1036 csrss.exe 1036 csrss.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Token: SeImpersonatePrivilege 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeSystemEnvironmentPrivilege 1036 csrss.exe Token: SeSecurityPrivilege 4748 sc.exe Token: SeSecurityPrivilege 4748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1844 wrote to memory of 1364 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 1844 wrote to memory of 1364 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 1844 wrote to memory of 1364 1844 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 4676 wrote to memory of 2760 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 98 PID 4676 wrote to memory of 2760 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 98 PID 4676 wrote to memory of 2760 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 98 PID 4676 wrote to memory of 3424 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 101 PID 4676 wrote to memory of 3424 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 101 PID 3424 wrote to memory of 3016 3424 cmd.exe 103 PID 3424 wrote to memory of 3016 3424 cmd.exe 103 PID 4676 wrote to memory of 4988 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 105 PID 4676 wrote to memory of 4988 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 105 PID 4676 wrote to memory of 4988 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 105 PID 4676 wrote to memory of 3888 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 109 PID 4676 wrote to memory of 3888 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 109 PID 4676 wrote to memory of 3888 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 109 PID 4676 wrote to memory of 1036 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 111 PID 4676 wrote to memory of 1036 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 111 PID 4676 wrote to memory of 1036 4676 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 111 PID 1036 wrote to memory of 4504 1036 csrss.exe 112 PID 1036 wrote to memory of 4504 1036 csrss.exe 112 PID 1036 wrote to memory of 4504 1036 csrss.exe 112 PID 1036 wrote to memory of 2228 1036 csrss.exe 118 PID 1036 wrote to memory of 2228 1036 csrss.exe 118 PID 1036 wrote to memory of 2228 1036 csrss.exe 118 PID 1036 wrote to memory of 3316 1036 csrss.exe 120 PID 1036 wrote to memory of 3316 1036 csrss.exe 120 PID 1036 wrote to memory of 3316 1036 csrss.exe 120 PID 1036 wrote to memory of 4012 1036 csrss.exe 122 PID 1036 wrote to memory of 4012 1036 csrss.exe 122 PID 2364 wrote to memory of 2056 2364 windefender.exe 128 PID 2364 wrote to memory of 2056 2364 windefender.exe 128 PID 2364 wrote to memory of 2056 2364 windefender.exe 128 PID 2056 wrote to memory of 4748 2056 cmd.exe 129 PID 2056 wrote to memory of 4748 2056 cmd.exe 129 PID 2056 wrote to memory of 4748 2056 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\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe"C:\Users\Admin\AppData\Local\Temp\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1364
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C:\Users\Admin\AppData\Local\Temp\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe"C:\Users\Admin\AppData\Local\Temp\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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:4676 -
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:2760
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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:3424 -
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:3016
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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:4988
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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:3888
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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:1036 -
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:4504
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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:2748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4600
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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:2228
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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:3316
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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:4012
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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:1660
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2364 -
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:2056 -
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:4748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2180
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5527e44d6ba566220d4b8bef1632bc4ca
SHA10d0b679f352b4d7006161cf539e199ef4bbd90ae
SHA256f8406aab30157c2e079e14efb3b76c5fa71527b913035639377aadec109f4e5e
SHA512aa0ef9f935450feae4392cd98be8f50b2028d8b926c2a95ca58c35865e2c0c0b78be84e5790dddada7109aaa8ae6aa1fbef2fda72e1c87c7585b4f84d35c7480
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e5afe0321e3301665eedeff0eb70d93
SHA174e52eb739ae108c5e83a4eeb6a595bf6f123d0a
SHA256e5ce2311483a5a07ab16296e2455d17609e184bc059bea44ff36d10489de7db1
SHA512a427713e95d5793868d7cd27185c179496be07f4062708b426810d3c219e736a41d4ab83d96b1036f0cee105d1215a32337b7286a9e7b4708f83ac1d62133335
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b2eba1b9cd1b009357e65fea084e4ab
SHA1472d47bc0249bd7808badf295d85bbea562a4d0f
SHA25660e050ffac82c5cf2fc5b8eb3e247f3b7b0bf81f4fb115eb7baa26661c89a635
SHA5122ece48a7f1684c0f18612245a7a55e625b91c65f468fbefea17c525604f8754122eea2bc943292b61f968b554aed7165dd80e359e951c743c88e2005b13f6d1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5270df7ae818b2e689db13f0dc672bacd
SHA11d7c2fee8a13f16457cc9eee512cbb586aefd54f
SHA2568702e3229f94e8d1b634473aa9a2752ffdcb1cfb3ca4ec5d454aa442dd91b2bf
SHA5123d9a64c46250d047ba8c468cf972bb967a39b4f40514829d936bab9cd6721e650f255ca5db2e6167a321c0b621e6cfd1f2fe2e87a0effcf2b4e5da786e27b248
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5faed929b5e6224bf1eee9cfe96e42a28
SHA11d9e2462d27036e8307b4f5ba45d7256f51c222f
SHA2562dbc476141683df31a46b1c1cb8b4138fc9b8dd8c678a9167d073ba37633bb60
SHA51213e2285ae044c0c189be96b47a9de2802eff4b5a81008c91778760cd0004f7111f39905f98bd51d5749a8ff8158d4af4d047ead19ef07f6c5dfc06a76f91d84e
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Filesize
4.1MB
MD5886323b283469a27454a51930d1938ab
SHA12babf5721d2399468bfd0aa761d8d14b9e8b9a7c
SHA2561dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109
SHA5127854dfa07431ab33f411aef7b6d770226e82d8912b9da2b26cb06fc24a480b02123e5930ef8b73bf52503674a30c37019b19db1eccc1ecbea85e964f3775901e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec