Analysis
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max time kernel
23s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:44
Static task
static1
Behavioral task
behavioral1
Sample
6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe
Resource
win10v2004-20240508-en
General
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Target
6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe
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Size
4.1MB
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MD5
366ecd26d67de8025ab1803b83e09d1e
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SHA1
2ae4d0ce3ae1192fec0cfbca0a2e9c57f26ccc33
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SHA256
6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a
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SHA512
eee220f551d435135aed7d2b092884c482417204e790063ab666ca2d71794d0de050104c5a57eac36a1bb983830f95708cf6881bece1ac6e1911ec73940d9a43
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SSDEEP
98304:t/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIr:t/oSJg9H959pd0eCv1HALSg
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral2/memory/3360-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/3360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-143-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/3360-141-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3360-190-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1048-197-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-199-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1600-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1300 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 1600 csrss.exe 4744 injector.exe 1984 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa07-202.dat upx behavioral2/memory/1984-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe File created C:\Windows\rss\csrss.exe 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe File created 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 2280 sc.exe -
pid Process 4064 powershell.exe 1396 powershell.exe 404 powershell.exe 3668 powershell.exe 1744 powershell.exe 2864 powershell.exe 1348 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3600 schtasks.exe 1972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 2864 powershell.exe 2864 powershell.exe 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1348 powershell.exe 1348 powershell.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 4064 powershell.exe 4064 powershell.exe 1396 powershell.exe 1396 powershell.exe 404 powershell.exe 404 powershell.exe 3668 powershell.exe 3668 powershell.exe 1744 powershell.exe 1744 powershell.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 1600 csrss.exe 1600 csrss.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 1600 csrss.exe 1600 csrss.exe 4744 injector.exe 4744 injector.exe 1600 csrss.exe 1600 csrss.exe 4744 injector.exe 4744 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Token: SeImpersonatePrivilege 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Token: SeDebugPrivilege 1348 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeSystemEnvironmentPrivilege 1600 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3360 wrote to memory of 2864 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 78 PID 3360 wrote to memory of 2864 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 78 PID 3360 wrote to memory of 2864 3360 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 78 PID 1048 wrote to memory of 1348 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 83 PID 1048 wrote to memory of 1348 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 83 PID 1048 wrote to memory of 1348 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 83 PID 1048 wrote to memory of 2924 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 111 PID 1048 wrote to memory of 2924 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 111 PID 2924 wrote to memory of 1300 2924 cmd.exe 87 PID 2924 wrote to memory of 1300 2924 cmd.exe 87 PID 1048 wrote to memory of 4064 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 88 PID 1048 wrote to memory of 4064 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 88 PID 1048 wrote to memory of 4064 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 88 PID 1048 wrote to memory of 1396 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 90 PID 1048 wrote to memory of 1396 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 90 PID 1048 wrote to memory of 1396 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 90 PID 1048 wrote to memory of 1600 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 92 PID 1048 wrote to memory of 1600 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 92 PID 1048 wrote to memory of 1600 1048 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 92 PID 1600 wrote to memory of 404 1600 csrss.exe 93 PID 1600 wrote to memory of 404 1600 csrss.exe 93 PID 1600 wrote to memory of 404 1600 csrss.exe 93 PID 1600 wrote to memory of 3668 1600 csrss.exe 98 PID 1600 wrote to memory of 3668 1600 csrss.exe 98 PID 1600 wrote to memory of 3668 1600 csrss.exe 98 PID 1600 wrote to memory of 1744 1600 csrss.exe 101 PID 1600 wrote to memory of 1744 1600 csrss.exe 101 PID 1600 wrote to memory of 1744 1600 csrss.exe 101 PID 1600 wrote to memory of 4744 1600 csrss.exe 103 PID 1600 wrote to memory of 4744 1600 csrss.exe 103 -
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\6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe"C:\Users\Admin\AppData\Local\Temp\6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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C:\Users\Admin\AppData\Local\Temp\6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe"C:\Users\Admin\AppData\Local\Temp\6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.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:1048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1348
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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:2924 -
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:1300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396
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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:1600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:404
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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:3600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1320
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744
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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:4744
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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:1972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
PID:1984 -
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⤵PID:348
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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
PID:2280
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:2924
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3bebeacfaaed5788952fb2d44b6cd70
SHA13a3472462fd98ba89313fafe2957cec49a5d00e0
SHA256dda0a1498206e3c75de281d8cb9f9c671dc42bb6d60c1b857c1209e383519153
SHA51291ced8fc8760f399cd530253bea32caa0ef80f30ffab24f2127b547c8f73cfab57171aeeca0ed98e091ddd78ddf4476755ba33978659d49673d34848fdbcee7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afbc61263810682497818dd59f8185ee
SHA184be602ad593532dd237c19c42604be103e64acb
SHA256d13c57875cdd612b4064ccfcea09ec782012a1f871dab89fe176417002ced980
SHA512fab3f1759c6a4beec196ec84fe30c3fd223b0666327709530004e5d2e248015091451768d1c6d850ff86cb9fa1fc58f09e33735acc236d78a0d564ec65866e69
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eac77c997a5ed9d7408c1f25b1e0e765
SHA1a56892d92f1cb84c2291567dbeec4bf79ad85c3c
SHA2561990871caee36c34adfc621516a2ae9dc68cdff6d64df26fd57e390d7a012fef
SHA5121dae73fda09385e59bf1afa30a412f2d4769ffafa83b68f69b0ccca0ed33aa29d5b1b8e18d43af18d7d497a132e20178aa883b96a4351859b8526b0e4105d8a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574f5a0a666fba5d10f3c619dd39032e0
SHA175195d7b9f8061268aea7db05cd178a4390d2dca
SHA256edc17768b6198c76cbd2fe4267ea1afb7379f8820e81146a62d918d95bca757d
SHA5122309d00be652649e5aa067bcd2d5dc05f1bb950683f99e4c6f7bf978b661f51617f803f579b67375eb28e4256949e17d043a1a259939dd5608912fb937190c38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586a1b83a59e8fe95e47ebfe0a631c180
SHA19e430da59990de154601f8e3203121a04f0bd481
SHA2563badefe56655ca5127ccfe1947e1027974d6e03cb225c0ee20071de8cde12815
SHA512b68e26325c606d008f28da445f678cfc5ec75f304ac19fa1d475b4cfdfe724bab36115c1e8c222b9d2e2f571ac9dcff0644ad77ddaf8b74d1305ed20a18aee9c
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Filesize
4.1MB
MD5366ecd26d67de8025ab1803b83e09d1e
SHA12ae4d0ce3ae1192fec0cfbca0a2e9c57f26ccc33
SHA2566f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a
SHA512eee220f551d435135aed7d2b092884c482417204e790063ab666ca2d71794d0de050104c5a57eac36a1bb983830f95708cf6881bece1ac6e1911ec73940d9a43
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec