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Analysis
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max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/03/2024, 14:25
Static task
static1
Behavioral task
behavioral1
Sample
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe
Resource
win10v2004-20240319-en
General
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Target
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe
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Size
4.1MB
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MD5
341b98014272b07ef8b9eeaf696f1d23
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SHA1
c185d72dd9e4aab8a1087443eaf90949ceb75831
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SHA256
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb
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SHA512
08c4ccfe3f21ef9a5e907abbcf755b3d8f46cf3ef72b0d886c4957ca7d56b3669256ab7170000525c45a5d9043b46f39b4c6c4a72c7adecb7ca770b2bd7a61fd
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SSDEEP
98304:3iGq3KIeR6cCqKvuM4K2x9+Buk8CSmwN6LwJf1h9DYvlY:o0DS8x9+wVN60V1hdJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4916-2-0x0000000003210000-0x0000000003AFB000-memory.dmp family_glupteba behavioral2/memory/4916-3-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/2348-53-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4916-86-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/2348-114-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/2348-147-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-235-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-246-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-250-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-254-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-258-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-262-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-266-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-270-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-274-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-278-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-282-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-285-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral2/memory/4884-290-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4884 csrss.exe 3080 injector.exe 4336 windefender.exe 4912 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a785-239.dat upx behavioral2/memory/4336-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4912-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4912-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe File created C:\Windows\rss\csrss.exe cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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 2144 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 624 schtasks.exe 896 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2272 powershell.exe 2272 powershell.exe 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2504 powershell.exe 2504 powershell.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 4304 powershell.exe 4304 powershell.exe 3716 powershell.exe 3716 powershell.exe 1500 powershell.exe 1500 powershell.exe 3244 powershell.exe 3244 powershell.exe 4012 powershell.exe 4012 powershell.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 4884 csrss.exe 4884 csrss.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 4884 csrss.exe 4884 csrss.exe 3080 injector.exe 3080 injector.exe 4884 csrss.exe 4884 csrss.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe 3080 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2272 powershell.exe Token: SeDebugPrivilege 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Token: SeImpersonatePrivilege 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 3716 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 4012 powershell.exe Token: SeSystemEnvironmentPrivilege 4884 csrss.exe Token: SeSecurityPrivilege 2144 sc.exe Token: SeSecurityPrivilege 2144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4916 wrote to memory of 2272 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 77 PID 4916 wrote to memory of 2272 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 77 PID 4916 wrote to memory of 2272 4916 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 77 PID 2348 wrote to memory of 2504 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 82 PID 2348 wrote to memory of 2504 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 82 PID 2348 wrote to memory of 2504 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 82 PID 2348 wrote to memory of 1484 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 84 PID 2348 wrote to memory of 1484 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 84 PID 1484 wrote to memory of 4920 1484 cmd.exe 86 PID 1484 wrote to memory of 4920 1484 cmd.exe 86 PID 2348 wrote to memory of 4304 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 87 PID 2348 wrote to memory of 4304 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 87 PID 2348 wrote to memory of 4304 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 87 PID 2348 wrote to memory of 3716 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 89 PID 2348 wrote to memory of 3716 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 89 PID 2348 wrote to memory of 3716 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 89 PID 2348 wrote to memory of 4884 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 91 PID 2348 wrote to memory of 4884 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 91 PID 2348 wrote to memory of 4884 2348 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 91 PID 4884 wrote to memory of 1500 4884 csrss.exe 92 PID 4884 wrote to memory of 1500 4884 csrss.exe 92 PID 4884 wrote to memory of 1500 4884 csrss.exe 92 PID 4884 wrote to memory of 3244 4884 csrss.exe 98 PID 4884 wrote to memory of 3244 4884 csrss.exe 98 PID 4884 wrote to memory of 3244 4884 csrss.exe 98 PID 4884 wrote to memory of 4012 4884 csrss.exe 100 PID 4884 wrote to memory of 4012 4884 csrss.exe 100 PID 4884 wrote to memory of 4012 4884 csrss.exe 100 PID 4884 wrote to memory of 3080 4884 csrss.exe 102 PID 4884 wrote to memory of 3080 4884 csrss.exe 102 PID 4336 wrote to memory of 3032 4336 windefender.exe 108 PID 4336 wrote to memory of 3032 4336 windefender.exe 108 PID 4336 wrote to memory of 3032 4336 windefender.exe 108 PID 3032 wrote to memory of 2144 3032 cmd.exe 109 PID 3032 wrote to memory of 2144 3032 cmd.exe 109 PID 3032 wrote to memory of 2144 3032 cmd.exe 109 -
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\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe"C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe"C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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:2348 -
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:2504
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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:1484 -
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:4920
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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:4304
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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:3716
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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:4884 -
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:1500
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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:624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3908
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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:3244
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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:4012
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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:3080
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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:896
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4336 -
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:3032 -
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:2144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4912
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
MD584d64cb558c9e88dabf1eb64c37e158e
SHA140b19a262de4a818bd3f912915a92028a532b84c
SHA25605209574c60f02a0847ed3f5a33a08c2689382e4ef761599f8ff31e524d69329
SHA512964fc4ba3c1c5fc3338bd2dc4556c2bb3847ee83fae6af2d4f02899baf91ee3d22a47a144e2317e7f73decfa55156e973890e5c1f932995ec7089ec964d75763
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5261dbe52a205ba43f644f7e69ecd1aa6
SHA19c6da846582e8aedf1afa26779b4d7289293be57
SHA25617511ea78d56cce8da12fcd698fb6a691c884e2a5bfe9c8335058dd554120af6
SHA512275d54e61e74ea2a966e7d3a60d4cbdda8c1a05e507f588a6c1c392c275aa39585bf1eef94addf554ac12be687180fae512d4ab93ac5c8e6eb89f2e8c17e1d1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fedbe9bc9cb2903d48546ebd0e087095
SHA132983130e684b37bb7fe2c615de77c93caf084ee
SHA25603def8bd80f806ef588bfaf1b1caec6dcd976ba9a1272ea400e198b09b6b5f2e
SHA512f323cbd52becaeec76ca3a6cab8b4e249ec83f05ce5ad2342782bea3bc5e2426e9ab4082f0b8d35a9c063ed9a4d5f9c110054876e8453083bba49024b85c171e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c01985cb6244c1be5652fe2dc5230513
SHA16d792eb7cf89462126bdb3b7ff85772b1222119c
SHA256f784386788f27c669c9fc9f36d6268b3e2861d66605fa5c48786da07b2a26aa3
SHA512262fe5bcff80666a586e85f9fa36b90eaf02fe4e5e758d6d8bf0cd09cb80adb66a08acce78b393c150730bce787cdf8c417957d48aa64592e7e43bf87dfd9933
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b401972673637340e10304df472b55c
SHA1e723a81cb696a43db6670278e4a6e21abe622573
SHA256c29ab50d2a2156d8c333224924122644723a75ec2556dbe7cd93e091d6cbda37
SHA512810af637d55f38ada68d67b7d9d89cab35c9f1c80809d56cbd4e36b583fcf2be5ee8fcf9f3c3e62f3dbfb6d9c45408c36eb9b510c812cc829d2262c2ec237556
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Filesize
4.1MB
MD5341b98014272b07ef8b9eeaf696f1d23
SHA1c185d72dd9e4aab8a1087443eaf90949ceb75831
SHA256cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb
SHA51208c4ccfe3f21ef9a5e907abbcf755b3d8f46cf3ef72b0d886c4957ca7d56b3669256ab7170000525c45a5d9043b46f39b4c6c4a72c7adecb7ca770b2bd7a61fd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec