Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe
Resource
win10v2004-20240508-en
General
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Target
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe
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Size
4.1MB
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MD5
5f5b5d97c75c9227b38abb7ba0fde19c
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SHA1
3e7e4e64cc1a3b11e155fb64c09917b255d23ba3
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SHA256
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0
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SHA512
686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0H:ALmIkbquibpii2yAk4+2fEKmbY
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/932-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/932-55-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/932-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4584-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4584-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4584-221-0x0000000002A00000-0x0000000002E07000-memory.dmp family_glupteba behavioral1/memory/4400-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4400-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4968 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4400 csrss.exe 3524 injector.exe 3736 windefender.exe 4648 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000b00000002339e-224.dat upx behavioral1/memory/3736-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3736-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe -
Drops file in Windows directory 4 IoCs
Processes:
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe File created C:\Windows\rss\csrss.exe 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.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.
Processes:
sc.exepid Process 4592 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4372 powershell.exe 4816 powershell.exe 2500 powershell.exe 3624 powershell.exe 1664 powershell.exe 2620 powershell.exe 2116 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2192 schtasks.exe 3592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.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\@tzres.dll,-412 = "E. Africa Standard 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" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exepowershell.exe49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3624 powershell.exe 3624 powershell.exe 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 1664 powershell.exe 1664 powershell.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 2620 powershell.exe 2620 powershell.exe 2116 powershell.exe 2116 powershell.exe 4372 powershell.exe 4372 powershell.exe 4816 powershell.exe 4816 powershell.exe 2500 powershell.exe 2500 powershell.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 4400 csrss.exe 4400 csrss.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 4400 csrss.exe 4400 csrss.exe 3524 injector.exe 3524 injector.exe 4400 csrss.exe 4400 csrss.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe 3524 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Token: SeImpersonatePrivilege 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeSystemEnvironmentPrivilege 4400 csrss.exe Token: SeSecurityPrivilege 4592 sc.exe Token: SeSecurityPrivilege 4592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 932 wrote to memory of 3624 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 932 wrote to memory of 3624 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 932 wrote to memory of 3624 932 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 4584 wrote to memory of 1664 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 98 PID 4584 wrote to memory of 1664 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 98 PID 4584 wrote to memory of 1664 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 98 PID 4584 wrote to memory of 4784 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 101 PID 4584 wrote to memory of 4784 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 101 PID 4784 wrote to memory of 4968 4784 cmd.exe 103 PID 4784 wrote to memory of 4968 4784 cmd.exe 103 PID 4584 wrote to memory of 2620 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 105 PID 4584 wrote to memory of 2620 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 105 PID 4584 wrote to memory of 2620 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 105 PID 4584 wrote to memory of 2116 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 107 PID 4584 wrote to memory of 2116 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 107 PID 4584 wrote to memory of 2116 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 107 PID 4584 wrote to memory of 4400 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 109 PID 4584 wrote to memory of 4400 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 109 PID 4584 wrote to memory of 4400 4584 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 109 PID 4400 wrote to memory of 4372 4400 csrss.exe 110 PID 4400 wrote to memory of 4372 4400 csrss.exe 110 PID 4400 wrote to memory of 4372 4400 csrss.exe 110 PID 4400 wrote to memory of 4816 4400 csrss.exe 115 PID 4400 wrote to memory of 4816 4400 csrss.exe 115 PID 4400 wrote to memory of 4816 4400 csrss.exe 115 PID 4400 wrote to memory of 2500 4400 csrss.exe 118 PID 4400 wrote to memory of 2500 4400 csrss.exe 118 PID 4400 wrote to memory of 2500 4400 csrss.exe 118 PID 4400 wrote to memory of 3524 4400 csrss.exe 120 PID 4400 wrote to memory of 3524 4400 csrss.exe 120 PID 3736 wrote to memory of 3624 3736 windefender.exe 129 PID 3736 wrote to memory of 3624 3736 windefender.exe 129 PID 3736 wrote to memory of 3624 3736 windefender.exe 129 PID 3624 wrote to memory of 4592 3624 cmd.exe 130 PID 3624 wrote to memory of 4592 3624 cmd.exe 130 PID 3624 wrote to memory of 4592 3624 cmd.exe 130 -
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\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.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:4584 -
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:1664
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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:4784 -
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:4968
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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:2620
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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:2116
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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:4400 -
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:4372
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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:3592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4480
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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:4816
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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:2500
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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:3524
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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:2192
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3736 -
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:3624 -
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:4592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4648
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
MD539b2315bb59f8a505d6b58bafb51cdb4
SHA17bc97878daa6cc6a0e443f900b3c95fbc7c108d3
SHA256c26f4e14cfd0547169acd16cfd2ae0bae268f0975acc075d6bbc81699d10d6a7
SHA512d0a7c542ec4fb09a6bf6264a539ca5af8d65da779539e0787fecb7c894fd19e07ad9cbff5be8b3e74ff44428354974d5f137cf968efa64037507dc998f6ffde3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566db67e37d1906b055f199414ab5d8bd
SHA109a2df122cd649b4373b21a186b9a80670d7e734
SHA256432337044b7436d3c5550dd741fcb5c3386b7242c6245811d3374e2ec849fedb
SHA512c2d6ab3da6a62ed844c3545e472d4796defab05c4783233c640ce034a18872961ad1645fa7b3aaff8da6abcd541555e6b87060c339afd7da8affda9e6d2c60b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b87be3eaffbfebe7eee70327d2c33d16
SHA1eefc03c4560be408627946bcea47c0a4e1278712
SHA2562e8bf68c9ccb462010160c9d8eef8d706085a52836e5a12c8a8529b046d8ea79
SHA5124f43cfe915906940672780a475b15f67e267b8d18a24a1025c1054509fe82cbbfc569b3773b546b22859e5fb0c4819e58c85d7eff91294091bec305c2967d2f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9a7ba31e24d70243675d9ad458130cf
SHA1b645edc40515ac5afe993b4a51355c31771f2bed
SHA2563e77f944b3049717b83192f53e42d862a14e8fcb710d9108f05e1c5b688173da
SHA512ada735e8456b8244f4ca732d75227303c903952bbb71f33272783879b91013d4af3ff9ae7125bbf869f08fb665806965cd214db2b6824e05b809303d63e344a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f118f32aaff76ea022d6e45774c36c3f
SHA1a8026a1aad1ded0c5ebb26a4750e7b7218980f6d
SHA256801aceffffa41318ee440bb19da76654f2b9bcfdc3a2b5774e3dd1b289dbcd0f
SHA512479848f0bcb7f279c7e94323d49bf5253452cf9f0d58037651431f20896c8ca33c5141dc35b207f45eb1feb33390afc9d6670999eab4af2195f716d7150cb45b
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Filesize
4.1MB
MD55f5b5d97c75c9227b38abb7ba0fde19c
SHA13e7e4e64cc1a3b11e155fb64c09917b255d23ba3
SHA25649af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0
SHA512686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec