Analysis
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max time kernel
150s -
max time network
123s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 18:02
Static task
static1
Behavioral task
behavioral1
Sample
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe
Resource
win10v2004-20240412-en
General
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Target
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe
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Size
4.2MB
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MD5
bf4f5a1ab751965a4bab734c841fefdd
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SHA1
f9ae7d4c09a67e97d1fca7b191f80cf8020770fd
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SHA256
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f
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SHA512
3c9aee94fa4b01c2afb544caf63048d5c3fc338c08a3c9ad472912338a5707a286cd8f31c3ffc9f5571739c596bb996dbf6cdee3194814dfcf970ddd22886062
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCY:OAu+ENnjVyYiVNw4h
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3036-2-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral2/memory/3036-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4740-51-0x00000000040A0000-0x000000000498B000-memory.dmp family_glupteba behavioral2/memory/3036-53-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral2/memory/4740-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3036-66-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4740-122-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4740-178-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-243-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-255-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4980-298-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 416 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4980 csrss.exe 4804 injector.exe 3948 windefender.exe 3648 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a980-247.dat upx behavioral2/memory/3948-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3648-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3648-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3648-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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 -
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 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 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 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2040 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 2536 schtasks.exe 1380 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4760 powershell.exe 4760 powershell.exe 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 868 powershell.exe 868 powershell.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 1232 powershell.exe 1232 powershell.exe 4264 powershell.exe 4264 powershell.exe 4984 powershell.exe 4984 powershell.exe 3300 powershell.exe 3300 powershell.exe 2868 powershell.exe 2868 powershell.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4980 csrss.exe 4804 injector.exe 4804 injector.exe 4980 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4980 csrss.exe 4980 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4980 csrss.exe 4980 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Token: SeImpersonatePrivilege 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 1232 powershell.exe Token: SeDebugPrivilege 4264 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeSystemEnvironmentPrivilege 4980 csrss.exe Token: SeSecurityPrivilege 2040 sc.exe Token: SeSecurityPrivilege 2040 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3036 wrote to memory of 4760 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 81 PID 3036 wrote to memory of 4760 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 81 PID 3036 wrote to memory of 4760 3036 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 81 PID 4740 wrote to memory of 868 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 87 PID 4740 wrote to memory of 868 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 87 PID 4740 wrote to memory of 868 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 87 PID 4740 wrote to memory of 3580 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 89 PID 4740 wrote to memory of 3580 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 89 PID 3580 wrote to memory of 416 3580 cmd.exe 91 PID 3580 wrote to memory of 416 3580 cmd.exe 91 PID 4740 wrote to memory of 1232 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 92 PID 4740 wrote to memory of 1232 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 92 PID 4740 wrote to memory of 1232 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 92 PID 4740 wrote to memory of 4264 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 94 PID 4740 wrote to memory of 4264 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 94 PID 4740 wrote to memory of 4264 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 94 PID 4740 wrote to memory of 4980 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 96 PID 4740 wrote to memory of 4980 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 96 PID 4740 wrote to memory of 4980 4740 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 96 PID 4980 wrote to memory of 4984 4980 csrss.exe 97 PID 4980 wrote to memory of 4984 4980 csrss.exe 97 PID 4980 wrote to memory of 4984 4980 csrss.exe 97 PID 4980 wrote to memory of 3300 4980 csrss.exe 102 PID 4980 wrote to memory of 3300 4980 csrss.exe 102 PID 4980 wrote to memory of 3300 4980 csrss.exe 102 PID 4980 wrote to memory of 2868 4980 csrss.exe 105 PID 4980 wrote to memory of 2868 4980 csrss.exe 105 PID 4980 wrote to memory of 2868 4980 csrss.exe 105 PID 4980 wrote to memory of 4804 4980 csrss.exe 107 PID 4980 wrote to memory of 4804 4980 csrss.exe 107 PID 3948 wrote to memory of 3068 3948 windefender.exe 113 PID 3948 wrote to memory of 3068 3948 windefender.exe 113 PID 3948 wrote to memory of 3068 3948 windefender.exe 113 PID 3068 wrote to memory of 2040 3068 cmd.exe 114 PID 3068 wrote to memory of 2040 3068 cmd.exe 114 PID 3068 wrote to memory of 2040 3068 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\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4760
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C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.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:4740 -
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:868
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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:3580 -
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:416
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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:1232
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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:4264
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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:4980 -
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:4984
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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:2536
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:648
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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:3300
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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:2868
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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:4804
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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:1380
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3948 -
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:3068 -
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:2040
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3648
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
MD5ea6c3f497870df67226151b61cb338e0
SHA147ac4e94d27ce7a57832f886ba174be3208c0901
SHA25673475993994398ab36a0804b7518aa65b2e4ad418a51216f04fcdb98774c81f2
SHA512dce2136e6cceb76fd125f4f24fa371c41279220f0f2d4117bdc9211c2703177adec66cdba624e5ab5c6385688c7ebd379e806e25050df518a4390b20a34bbc95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8b2f0655c13216e7d194f7ef126a27a
SHA1e9abf0b65fa4f92047a5565d1f7a7632d8d741f8
SHA25613f2b24180932d4aa06622e09536380fc16d45358428c37829d75321c1f19a0b
SHA512d7ab274a77a5cecc17836dd26442c3a1f6c711b61d9be666e5c81f5dcc6a440325634d139e60ed6b26cc95b119161c246ca8c22a7f18362ba253fd3a72483311
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55cb5959c4b7d335e85d7f2c54747d6b6
SHA143152f9cfa0f5e1f738ffb4b58afcfff41ee5ca5
SHA256141f6afec3dc153fc431dcb3b23e84de1b1eb6a4d6ad917fe3611dd3afb79f2e
SHA512fe3326cde181ff78a4ba454218d71a415db58cd6cf971047196c5b5e0908d3065b7b7acf36cc4a59c5a6e5d73dcdcdbc8bde9a18931620d4f791530a8c927a7d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c1fea20f6db7e1cd5fe4b0f4c5ef0c2
SHA11e604574ea9318ba38815888940654e190d0a511
SHA256486b4aca69fcd16665f493867fa3208c1d4c55378ff9148db60359dd31ebf47b
SHA512591b58955f63a88fc6d4cd49673e1170b03f46642e0ab827c702a19d44c2f93dbc86232f259f522e9b5e02f3997568500d21d70b91048662902b317fc3245ad3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f05500d8c52c84fc7a4a10244e1a4d9f
SHA153fd57d9ed139d0d43789bad631f8219d7bd4adf
SHA256000f941a3758dad428e3ea4aaa917f0beb0c35636043ac3a645b09fe1ced9ad7
SHA51298f8a780f60d9a3948013407275bfe92177f3a3f839ff98260e503ffeff2054c7484f450b26d5e5b665c712ef372ff5c3f62069136b5fd9af9b09c28657461c3
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Filesize
4.2MB
MD5bf4f5a1ab751965a4bab734c841fefdd
SHA1f9ae7d4c09a67e97d1fca7b191f80cf8020770fd
SHA25664ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f
SHA5123c9aee94fa4b01c2afb544caf63048d5c3fc338c08a3c9ad472912338a5707a286cd8f31c3ffc9f5571739c596bb996dbf6cdee3194814dfcf970ddd22886062
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec