Analysis
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max time kernel
151s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe
Resource
win10v2004-20240412-en
General
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Target
9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe
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Size
4.2MB
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MD5
851fec5951f63d857ddcb88249318157
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SHA1
ce73a9ca947a1ade1a6c61999641921a61804914
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SHA256
9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019
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SHA512
63b17608a33ce403b165fbc181915057d7d3c736a714467c40eafaf1dde50f5bca47429bee04591d4c50a7f99e1722242fbf444f1e72c3fa6d13592159b58bb8
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SSDEEP
98304:Lz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29y:LzvuvT/7/zVIWAQdeNfIWzX0W6tA420
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4004-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/4004-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4004-47-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4004-52-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4004-53-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/4856-56-0x0000000005240000-0x0000000005B2B000-memory.dmp family_glupteba behavioral2/memory/4856-57-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4856-84-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4856-90-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4856-102-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4856-118-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4856-150-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-185-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-242-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-251-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-261-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-264-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-267-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-270-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-273-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3540-276-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2356 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3540 csrss.exe 828 injector.exe 5080 windefender.exe 1440 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa56-254.dat upx behavioral2/memory/5080-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1440-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1440-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe File created C:\Windows\rss\csrss.exe 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.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 2148 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 4632 schtasks.exe 772 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5048 powershell.exe 5048 powershell.exe 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 3164 powershell.exe 3164 powershell.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 4984 powershell.exe 4984 powershell.exe 4820 powershell.exe 4820 powershell.exe 3256 powershell.exe 3256 powershell.exe 4916 powershell.exe 4916 powershell.exe 4264 powershell.exe 4264 powershell.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 3540 csrss.exe 3540 csrss.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 3540 csrss.exe 3540 csrss.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 3540 csrss.exe 3540 csrss.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe 828 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Token: SeImpersonatePrivilege 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 4264 powershell.exe Token: SeSystemEnvironmentPrivilege 3540 csrss.exe Token: SeSecurityPrivilege 2148 sc.exe Token: SeSecurityPrivilege 2148 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4004 wrote to memory of 5048 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 82 PID 4004 wrote to memory of 5048 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 82 PID 4004 wrote to memory of 5048 4004 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 82 PID 4856 wrote to memory of 3164 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 87 PID 4856 wrote to memory of 3164 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 87 PID 4856 wrote to memory of 3164 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 87 PID 4856 wrote to memory of 760 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 89 PID 4856 wrote to memory of 760 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 89 PID 760 wrote to memory of 2356 760 cmd.exe 91 PID 760 wrote to memory of 2356 760 cmd.exe 91 PID 4856 wrote to memory of 4984 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 92 PID 4856 wrote to memory of 4984 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 92 PID 4856 wrote to memory of 4984 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 92 PID 4856 wrote to memory of 4820 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 94 PID 4856 wrote to memory of 4820 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 94 PID 4856 wrote to memory of 4820 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 94 PID 4856 wrote to memory of 3540 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 96 PID 4856 wrote to memory of 3540 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 96 PID 4856 wrote to memory of 3540 4856 9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe 96 PID 3540 wrote to memory of 3256 3540 csrss.exe 97 PID 3540 wrote to memory of 3256 3540 csrss.exe 97 PID 3540 wrote to memory of 3256 3540 csrss.exe 97 PID 3540 wrote to memory of 4916 3540 csrss.exe 103 PID 3540 wrote to memory of 4916 3540 csrss.exe 103 PID 3540 wrote to memory of 4916 3540 csrss.exe 103 PID 3540 wrote to memory of 4264 3540 csrss.exe 105 PID 3540 wrote to memory of 4264 3540 csrss.exe 105 PID 3540 wrote to memory of 4264 3540 csrss.exe 105 PID 3540 wrote to memory of 828 3540 csrss.exe 107 PID 3540 wrote to memory of 828 3540 csrss.exe 107 PID 5080 wrote to memory of 4984 5080 windefender.exe 113 PID 5080 wrote to memory of 4984 5080 windefender.exe 113 PID 5080 wrote to memory of 4984 5080 windefender.exe 113 PID 4984 wrote to memory of 2148 4984 cmd.exe 114 PID 4984 wrote to memory of 2148 4984 cmd.exe 114 PID 4984 wrote to memory of 2148 4984 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe"C:\Users\Admin\AppData\Local\Temp\9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5048
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C:\Users\Admin\AppData\Local\Temp\9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.exe"C:\Users\Admin\AppData\Local\Temp\9ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019.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:4856 -
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:3164
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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:760 -
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:2356
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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:4984
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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:4820
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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:3540 -
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:3256
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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:772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3428
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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:4916
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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:4264
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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:828
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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:4632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5080 -
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:4984 -
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:2148
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1440
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
MD5928fe47acb53c4f81cbae273d1b80bc8
SHA1dcc0ea8083ccd388b4a9369de71c7bcc33453abd
SHA25672ffe2baf6a5e642f1d6253a35ff32cbebed518c0db916d1988716347fa343b9
SHA512796bc870a5aa987cd15a21a1a0629312855ef2a07619da3e8cd4b5cffaa7ebc2ceee01c4f01080345e4a96be724ea17b5bbb1f7c1c47a5e56799c21a99547432
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509c80b60c5019479088f5f90546e246e
SHA1d9f20abe4fb9a349b01c90abd9cb0143be580900
SHA256042722b882d18750235a39ff8fa0f7e4d65e49061a735c0a0d4929ce947ab45f
SHA5124d9d26dd1a592e97134c45ba4533463f6a19111a2f61b8110b05c9c39a076d197ab5cb6fd1aac5971e9265e5f5f3c7ae5ebcb407d0f6c17deffd323e225960c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a514148ca1b91ab961ad22afb39ef6b
SHA1b850c080812f2c08930efa49c931d787dd81576d
SHA2561c0a8f516f5342d4f3bc9eaabfcdcf2500198a4012b581008c8e2b259c539df0
SHA512b284b036fd1083d7a4d77e3ec6aed7811272e3cad6dbb483390064530795f248c665439baccdb34acae948215ac15911d4b4b67a5c2cf85c4a511f01ebdfc157
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d1c68357e5508525b88459c7ac8fff9
SHA1842c9fb09ffef5d73b5ea28ee2598ffd0444e532
SHA256b46f3579642b83b0c7da2acb40e27041fb1ed51e26c2ffccc49639ce00cf9797
SHA5125fcdf745e03187851730ff0ccfc6dcdcdc6ccbb293bb35b006321db6937eb7b1fe631d038ece7f624184834f24ad18f57f471adc1a5fdb01bc16ea4de300c16c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541bfb8e9dbd465ef64f5a5a0927f9597
SHA153942cb784cd8aae163f92ee4329bc87d61ffe55
SHA25614d9512a62972056672daaf21a07fe6af5b857a4f19656272d78678cd67db46b
SHA512849c5c15b71e900a58c2dd550a1ee5ade6bee902bfd26d54ad5291efbe3af25bba2750c9f18ce2ddf755eadf94f5279abcd0281f98205b9c1cd36bd1cbda90dd
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Filesize
4.2MB
MD5851fec5951f63d857ddcb88249318157
SHA1ce73a9ca947a1ade1a6c61999641921a61804914
SHA2569ba7977c2790d70fc5084c157fc75bc325cc2bf853c9400a2c221b90ae6d7019
SHA51263b17608a33ce403b165fbc181915057d7d3c736a714467c40eafaf1dde50f5bca47429bee04591d4c50a7f99e1722242fbf444f1e72c3fa6d13592159b58bb8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec