Analysis
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max time kernel
150s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 20 IoCs
resource yara_rule behavioral2/memory/3576-2-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral2/memory/3576-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3576-98-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral2/memory/3576-97-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2020-119-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2020-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3576-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1480-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1480-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1480 csrss.exe 3044 injector.exe 2344 windefender.exe 2188 windefender.exe -
resource yara_rule behavioral2/files/0x000300000002aa96-204.dat upx behavioral2/memory/2344-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2188-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2344-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2188-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2188-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 3660 sc.exe -
pid Process 2924 powershell.exe 3556 powershell.exe 2480 powershell.exe 1000 powershell.exe 1692 powershell.exe 3528 powershell.exe 4776 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 4960 schtasks.exe 420 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\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.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\@tzres.dll,-31 = "Mid-Atlantic 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" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-671 = "AUS Eastern Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-151 = "Central America 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\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-961 = "Paraguay Daylight Time" windefender.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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1692 powershell.exe 1692 powershell.exe 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 3528 powershell.exe 3528 powershell.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 4776 powershell.exe 4776 powershell.exe 2924 powershell.exe 2924 powershell.exe 3556 powershell.exe 3556 powershell.exe 2480 powershell.exe 2480 powershell.exe 1000 powershell.exe 1000 powershell.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 1480 csrss.exe 1480 csrss.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 1480 csrss.exe 1480 csrss.exe 3044 injector.exe 3044 injector.exe 1480 csrss.exe 1480 csrss.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe 3044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Token: SeImpersonatePrivilege 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeSystemEnvironmentPrivilege 1480 csrss.exe Token: SeSecurityPrivilege 3660 sc.exe Token: SeSecurityPrivilege 3660 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3576 wrote to memory of 1692 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 82 PID 3576 wrote to memory of 1692 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 82 PID 3576 wrote to memory of 1692 3576 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 82 PID 2020 wrote to memory of 3528 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 2020 wrote to memory of 3528 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 2020 wrote to memory of 3528 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 87 PID 2020 wrote to memory of 3732 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 89 PID 2020 wrote to memory of 3732 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 89 PID 3732 wrote to memory of 1936 3732 cmd.exe 91 PID 3732 wrote to memory of 1936 3732 cmd.exe 91 PID 2020 wrote to memory of 4776 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 92 PID 2020 wrote to memory of 4776 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 92 PID 2020 wrote to memory of 4776 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 92 PID 2020 wrote to memory of 2924 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 94 PID 2020 wrote to memory of 2924 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 94 PID 2020 wrote to memory of 2924 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 94 PID 2020 wrote to memory of 1480 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 96 PID 2020 wrote to memory of 1480 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 96 PID 2020 wrote to memory of 1480 2020 1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe 96 PID 1480 wrote to memory of 3556 1480 csrss.exe 97 PID 1480 wrote to memory of 3556 1480 csrss.exe 97 PID 1480 wrote to memory of 3556 1480 csrss.exe 97 PID 1480 wrote to memory of 2480 1480 csrss.exe 103 PID 1480 wrote to memory of 2480 1480 csrss.exe 103 PID 1480 wrote to memory of 2480 1480 csrss.exe 103 PID 1480 wrote to memory of 1000 1480 csrss.exe 105 PID 1480 wrote to memory of 1000 1480 csrss.exe 105 PID 1480 wrote to memory of 1000 1480 csrss.exe 105 PID 1480 wrote to memory of 3044 1480 csrss.exe 107 PID 1480 wrote to memory of 3044 1480 csrss.exe 107 PID 2344 wrote to memory of 1920 2344 windefender.exe 114 PID 2344 wrote to memory of 1920 2344 windefender.exe 114 PID 2344 wrote to memory of 1920 2344 windefender.exe 114 PID 1920 wrote to memory of 3660 1920 cmd.exe 115 PID 1920 wrote to memory of 3660 1920 cmd.exe 115 PID 1920 wrote to memory of 3660 1920 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe"C:\Users\Admin\AppData\Local\Temp\1dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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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:2020 -
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:3528
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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:3732 -
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:1936
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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:4776
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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:2924
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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:1480 -
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:3556
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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:4960
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3132
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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:2480
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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:1000
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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:3044
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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:420
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2344 -
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:1920 -
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:3660
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2188
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512e8f76701bde6eb49cb74e18f4562e8
SHA10b797e7c92af0a0701e0beeeb76c065436808e6d
SHA2562433d7da7866b48e55d6c81a4df4d438a24f6bb5198b62dfa4cfc4128d65ba90
SHA5128d7d5cc66d4098400d507a54b97f8544dc5995abb84253764e4c923301b08fc9e0c39685b8e9c49ea4e5f89b5be76f42c7233bb4c1f9de72cfb71baa949df158
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8cd0daa09489ba31549c8aacfe84c4c
SHA1a71cecded7d1606f674a1ae1c20acd5182a961e6
SHA25690b73cccca14757bc12b288b40610551d9c2feee06ad1e53a67b402ef7678c53
SHA51231afcf844a4bbad38a8d31ff4059adf1b05b040d14af739722585a2068594c8c1c4c0273b0398af657e0646a987f32efa3f1f90cf71bf1583f47fd0e81380dd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c38bf7354418cf7414dddf3b22a81b1
SHA16825c5a860a545a40bc8e1b2978ad627b38cb2bc
SHA256029c1b97c00af4e250e6457fcb4341c5537b81747ab8287f4c17b76b344b52bd
SHA512a50774ee3e733f52ff0022047c26901155dd182010524c4ba9a9ab8ea757f416197d88e4580a9d3853ce4c785a28dffce4d9751247c92b51039d715ce5e257d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7b00a8a3098450a5133f4f75b790b50
SHA1a971c1a10b85186f065a21c2b61fd5e2703473c1
SHA256b90600535530ed855b8f6c9e492638a29f59426d5164d9558705964f799dc5ff
SHA512c09138d0e5c40ffabeaef2345aec396cee5bcb0a858ddbb41417d0c0562de0eabf960c14f9ee6ecdf172d40d56ca4510acfb6b9ecbf68f0ba7dcecc42a7b587f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4d7369f8b2a7ebd2b5838f8c58ff543
SHA1a7bccfb0e477180fe8e5266643cbec78f1619d75
SHA25693a298fce8930448f4a5bae1ded19b98c80ab6980d58e2bacdde5141ac952d89
SHA5126900136fc0ba8cab3e71f4245d0fa0653da2546a0308bce5ca2c00bfcfd14ef38c2316bf9208fb5f1ec74febcf94c5c8a58697047fab0baa3e2a62fbb0c9b955
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Filesize
4.1MB
MD5886323b283469a27454a51930d1938ab
SHA12babf5721d2399468bfd0aa761d8d14b9e8b9a7c
SHA2561dd9840d9de5ac35a9fdc6f39fbc991be6a1ceb6a34487831bcc987267a0d109
SHA5127854dfa07431ab33f411aef7b6d770226e82d8912b9da2b26cb06fc24a480b02123e5930ef8b73bf52503674a30c37019b19db1eccc1ecbea85e964f3775901e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec