Analysis
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max time kernel
150s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 00:16
Static task
static1
Behavioral task
behavioral1
Sample
aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe
Resource
win10v2004-20240226-en
General
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Target
aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe
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Size
4.1MB
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MD5
07476ee820f1de4ed1cdb4a19ce55e21
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SHA1
fba248f6969ba84928c1abbfadd26f5fbea4e8fd
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SHA256
aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac
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SHA512
4919257d2e5bc973bcfc3200a9034dc75896f16e4f5d3c1891c65ad651d26d4926bf4a2f1604ffe62ac36fbcfe8935b2154ce3b2c0a83917e10904fb3063cfdc
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SSDEEP
98304:nEVuzgey1mshT+9TI/TMCaMd2NGgmMm+dMUey2U:nEVSLy1msJ+9TI/Rzd2MpVuMUevU
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2816-2-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/2816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2816-4-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2816-51-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2816-53-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/2816-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-111-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4952-130-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-198-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-207-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-223-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-227-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-235-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-239-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2452-243-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2452 csrss.exe 1464 injector.exe 4800 windefender.exe 3584 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab25-210.dat upx behavioral2/memory/4800-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3584-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4800-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3584-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3584-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3584-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe File created C:\Windows\rss\csrss.exe aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4968 sc.exe -
pid Process 2708 powershell.exe 4916 powershell.exe 4124 powershell.exe 5100 powershell.exe 1284 powershell.exe 4360 powershell.exe 2216 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 3036 schtasks.exe 1284 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,-202 = "US Mountain Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-434 = "Georgian Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.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\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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.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" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk 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" aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5100 powershell.exe 5100 powershell.exe 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 1284 powershell.exe 1284 powershell.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 4360 powershell.exe 4360 powershell.exe 2216 powershell.exe 2216 powershell.exe 2708 powershell.exe 2708 powershell.exe 4916 powershell.exe 4916 powershell.exe 4124 powershell.exe 4124 powershell.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 2452 csrss.exe 2452 csrss.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 2452 csrss.exe 2452 csrss.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 2452 csrss.exe 2452 csrss.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Token: SeImpersonatePrivilege 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe Token: SeDebugPrivilege 1284 powershell.exe Token: SeDebugPrivilege 4360 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeSystemEnvironmentPrivilege 2452 csrss.exe Token: SeSecurityPrivilege 4968 sc.exe Token: SeSecurityPrivilege 4968 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2816 wrote to memory of 5100 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 81 PID 2816 wrote to memory of 5100 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 81 PID 2816 wrote to memory of 5100 2816 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 81 PID 4952 wrote to memory of 1284 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 86 PID 4952 wrote to memory of 1284 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 86 PID 4952 wrote to memory of 1284 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 86 PID 4952 wrote to memory of 3356 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 88 PID 4952 wrote to memory of 3356 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 88 PID 3356 wrote to memory of 4380 3356 cmd.exe 90 PID 3356 wrote to memory of 4380 3356 cmd.exe 90 PID 4952 wrote to memory of 4360 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 91 PID 4952 wrote to memory of 4360 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 91 PID 4952 wrote to memory of 4360 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 91 PID 4952 wrote to memory of 2216 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 93 PID 4952 wrote to memory of 2216 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 93 PID 4952 wrote to memory of 2216 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 93 PID 4952 wrote to memory of 2452 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 95 PID 4952 wrote to memory of 2452 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 95 PID 4952 wrote to memory of 2452 4952 aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe 95 PID 2452 wrote to memory of 2708 2452 csrss.exe 96 PID 2452 wrote to memory of 2708 2452 csrss.exe 96 PID 2452 wrote to memory of 2708 2452 csrss.exe 96 PID 2452 wrote to memory of 4916 2452 csrss.exe 101 PID 2452 wrote to memory of 4916 2452 csrss.exe 101 PID 2452 wrote to memory of 4916 2452 csrss.exe 101 PID 2452 wrote to memory of 4124 2452 csrss.exe 104 PID 2452 wrote to memory of 4124 2452 csrss.exe 104 PID 2452 wrote to memory of 4124 2452 csrss.exe 104 PID 2452 wrote to memory of 1464 2452 csrss.exe 106 PID 2452 wrote to memory of 1464 2452 csrss.exe 106 PID 4800 wrote to memory of 3412 4800 windefender.exe 112 PID 4800 wrote to memory of 3412 4800 windefender.exe 112 PID 4800 wrote to memory of 3412 4800 windefender.exe 112 PID 3412 wrote to memory of 4968 3412 cmd.exe 113 PID 3412 wrote to memory of 4968 3412 cmd.exe 113 PID 3412 wrote to memory of 4968 3412 cmd.exe 113 -
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\aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe"C:\Users\Admin\AppData\Local\Temp\aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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C:\Users\Admin\AppData\Local\Temp\aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.exe"C:\Users\Admin\AppData\Local\Temp\aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac.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:4952 -
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:1284
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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:3356 -
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:4380
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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:4360
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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:2216
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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:2452 -
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:2708
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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:3036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3184
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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:4916
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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:4124
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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:1464
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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:1284
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4800 -
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:3412 -
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:4968
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3584
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
MD5aefb0551c183fbabf956c312232a55f5
SHA19aea65f61ad11f676d64149c238b26907670a44d
SHA256f09722f89230475a9a8f9d12773fb147acfbbd30f50e6af709134d8587cb78ce
SHA5128e88c0357fe7d904cfcff70b49b0d92076e70aad50669b8496c61ee0d26af5d7588e84e7a71c092ed54b39ecfcdffd905e291c0f612bbd6361c6ed7c7512acd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6b72ad1ed932bce0b3350d9bbdadc22
SHA1779929fdaea3321086ba8df9893cb1e4c849a7cc
SHA2566f002c83ebc2a19713c7b05f6bea5ae43c92a7210f1e7a99602c8a034b226f50
SHA51226b24c1f0cffbfb1daa779b243f51782a18b46aa3492e2cb89531b46bae8b6a7956f00c0f32ef543dd3e42b014cbab25e651409695aad15bf2dee5d3fd5b941c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d3fa3846949220c4bef5f3410e0a7f7
SHA18c9238ea3a6443c372cbb855d8d1ac15639c8dd0
SHA256dcd9de0fe16428f2bafc6ee15f66b4148e14352b0776d7cb4cc95177cdd49cee
SHA5124cc3b1a195df7df03538f9a692feeaddb1255324a10495e36012c5086a431a8b74304e2768063a6b7546ae8d0574b96e902f0abeff1b5dbe389a9ff68457541a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5188006b2cc2694a29e506ffcc997c293
SHA1898b4ef77ac33a0d57fbfe5d912bc7fa1fcb290d
SHA256dea8dae55fa2d06bad5f8925f89438ae750fb8cde70f148a1554dbfe706e7eb8
SHA512f2289a54ed782283b07ba2b6d80642f95084a1524bedd706822e34250179cabfc500f75c2e35e5b8ba5078a5f9bf42147efe144b6abf05b5812163a05647306d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD501556c281a510a00c6a18ff882290bdc
SHA1b2cae65fed04bba66b9dbda7da9ed1e6cba8b4ac
SHA256871c3b911de6b4883dafb17fe982ff3f3e190750ea1737337bfc60bddaf8df47
SHA512acfeed1efe30746e86898fa9b368dde4f6daac3be0347a3d67907bb29a6be4199fe6b1193ab1e59b35bcc00f5c4aa311b0eeb17ecc5dea534a7fd06cb4e2a497
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Filesize
4.1MB
MD507476ee820f1de4ed1cdb4a19ce55e21
SHA1fba248f6969ba84928c1abbfadd26f5fbea4e8fd
SHA256aa2c721d7642bb75294dd875b3aecef9c913e4c23134302b9b5b8e827422f3ac
SHA5124919257d2e5bc973bcfc3200a9034dc75896f16e4f5d3c1891c65ad651d26d4926bf4a2f1604ffe62ac36fbcfe8935b2154ce3b2c0a83917e10904fb3063cfdc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec