Analysis
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max time kernel
150s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe
Resource
win10v2004-20240412-en
General
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Target
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe
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Size
4.2MB
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MD5
9b170885117769e075526c5dda642cf6
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SHA1
b59d0a9e51648c63a700a1bf1f40dad956d389cd
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SHA256
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4
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SHA512
417886cdf1b37f424a44c00b1689d25945f168b791a309c4e26c1ef3b39f273feeea38437503d5c0e5b5ad61e0fa23eb2315bb7bf62d4a648988beacb9b7be8b
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCp:OAu+ENnjVyYiVNw4Y
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/572-2-0x00000000041A0000-0x0000000004A8B000-memory.dmp family_glupteba behavioral2/memory/572-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2648-52-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/2648-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/572-66-0x00000000041A0000-0x0000000004A8B000-memory.dmp family_glupteba behavioral2/memory/572-80-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2648-206-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-241-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-252-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4252-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4412 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4252 csrss.exe 4604 injector.exe 1324 windefender.exe 2860 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa30-245.dat upx behavioral2/memory/1324-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2860-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2860-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe File created C:\Windows\rss\csrss.exe 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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 2820 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2756 schtasks.exe 1484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 876 powershell.exe 876 powershell.exe 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 5008 powershell.exe 5008 powershell.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 1768 powershell.exe 1768 powershell.exe 3180 powershell.exe 3180 powershell.exe 4900 powershell.exe 4900 powershell.exe 1564 powershell.exe 1564 powershell.exe 1740 powershell.exe 1740 powershell.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4252 csrss.exe 4252 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4252 csrss.exe 4252 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4252 csrss.exe 4252 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 876 powershell.exe Token: SeDebugPrivilege 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Token: SeImpersonatePrivilege 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 1768 powershell.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 1564 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeSystemEnvironmentPrivilege 4252 csrss.exe Token: SeSecurityPrivilege 2820 sc.exe Token: SeSecurityPrivilege 2820 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 572 wrote to memory of 876 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 82 PID 572 wrote to memory of 876 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 82 PID 572 wrote to memory of 876 572 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 82 PID 2648 wrote to memory of 5008 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 87 PID 2648 wrote to memory of 5008 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 87 PID 2648 wrote to memory of 5008 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 87 PID 2648 wrote to memory of 4724 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 89 PID 2648 wrote to memory of 4724 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 89 PID 4724 wrote to memory of 4412 4724 cmd.exe 91 PID 4724 wrote to memory of 4412 4724 cmd.exe 91 PID 2648 wrote to memory of 1768 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 92 PID 2648 wrote to memory of 1768 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 92 PID 2648 wrote to memory of 1768 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 92 PID 2648 wrote to memory of 3180 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 94 PID 2648 wrote to memory of 3180 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 94 PID 2648 wrote to memory of 3180 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 94 PID 2648 wrote to memory of 4252 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 96 PID 2648 wrote to memory of 4252 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 96 PID 2648 wrote to memory of 4252 2648 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 96 PID 4252 wrote to memory of 4900 4252 csrss.exe 97 PID 4252 wrote to memory of 4900 4252 csrss.exe 97 PID 4252 wrote to memory of 4900 4252 csrss.exe 97 PID 4252 wrote to memory of 1564 4252 csrss.exe 102 PID 4252 wrote to memory of 1564 4252 csrss.exe 102 PID 4252 wrote to memory of 1564 4252 csrss.exe 102 PID 4252 wrote to memory of 1740 4252 csrss.exe 105 PID 4252 wrote to memory of 1740 4252 csrss.exe 105 PID 4252 wrote to memory of 1740 4252 csrss.exe 105 PID 4252 wrote to memory of 4604 4252 csrss.exe 107 PID 4252 wrote to memory of 4604 4252 csrss.exe 107 PID 1324 wrote to memory of 5020 1324 windefender.exe 113 PID 1324 wrote to memory of 5020 1324 windefender.exe 113 PID 1324 wrote to memory of 5020 1324 windefender.exe 113 PID 5020 wrote to memory of 2820 5020 cmd.exe 114 PID 5020 wrote to memory of 2820 5020 cmd.exe 114 PID 5020 wrote to memory of 2820 5020 cmd.exe 114 -
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\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876
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C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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:2648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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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:4724 -
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:4412
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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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:4252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4900
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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:2756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2692
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1564
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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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:4604
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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:1484
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1324 -
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:5020 -
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:2820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2860
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d0752d2837ee65e331ec8c8f0a59f3a
SHA11e607289378d81421921af222b8e8a8e84128b83
SHA25663592d777ff83fe4dcf9f64a01c8a2e7ba5bbe6011d049897c4c69bcf5946f99
SHA5126d641883c44ff8d979387b92f55b3d8c75fe71e74a00d978c37d1f302c62be658a02c5349d62352d6d7ca05b99c2c569625b9bad9cbdec08c8f61a4d881841eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50497481d6b44a498eb95debe4d2939f9
SHA1d6fcacc15c9dc56ced2420ec24c8d2c03e1b0cb0
SHA2565fb804757e4e175675b9d397b0ef289b06590c24e52bb51ebe51984d6772fdf9
SHA512f34b6ba1a5db69f0377b1bb98ab0a9577cd4de6471c16aa16fc31463c182650aa02fc0885bb2a048ce237d01fc0219fdcd221d77bddb190a33eb6fbfc0b56fd6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9c91b9f512b3a104e808cc0438f69ef
SHA151edc40ff68317991364d03cd01e4c55b462cca0
SHA25692d7f0f42f99edc77d2bbba45584fa6710ed60249e6ffc9d32827468ade7b2ee
SHA512ec70f13b6cdaba7eba62ad6b0eda36cc1120d86bc21c11f3c9ca25ca5bf3cae0ab9d7d8ea54de1752043bfdf0f0cb0116fb2102601b86eeff2042d828f651788
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570847aebb824ecb759b20022de7755bc
SHA1b78f637b0fb1302436c033c19d144006d6904324
SHA2561f9546353be85daaee50c105e0ada7f1d5f6a08a0d3179090ed2a1229a8a7c3b
SHA512dd7eb2cb852c6eacc4601577f0b808bf2f6f42d77bf317db8a9adb9dd8f4ae8546c1e595c763b6efee72e4a85c101b58874d07eb117707f1744c97a06e3c820d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e8cbd6428719cb693ac39a71b1a2ac4
SHA1cc4c6e6153ad3f0050e79f5658cbf164652b40ea
SHA25611a722650af8cae3083adb5a2dafd5ab7cb5523d9ef80a28a02da4bc506708e8
SHA51253d076415966a87fa4f6ea7c08b77ab86f19a3c51ad7d04298e1f1853b377d28e1f7237bbb707f28d33f95b4975498f666bf3caf5d95409c264d1c41b87b435d
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Filesize
4.2MB
MD59b170885117769e075526c5dda642cf6
SHA1b59d0a9e51648c63a700a1bf1f40dad956d389cd
SHA25616a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4
SHA512417886cdf1b37f424a44c00b1689d25945f168b791a309c4e26c1ef3b39f273feeea38437503d5c0e5b5ad61e0fa23eb2315bb7bf62d4a648988beacb9b7be8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec