Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 19 IoCs
resource yara_rule behavioral1/memory/3668-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/3668-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3668-102-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3668-126-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/2588-132-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3668-182-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1648-208-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1648-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1648 csrss.exe 1800 injector.exe 3872 windefender.exe 4120 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233fc-218.dat upx behavioral1/memory/3872-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4120-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3872-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4120-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4120-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4120-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 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 1192 sc.exe -
pid Process 3464 powershell.exe 2980 powershell.exe 4576 powershell.exe 1800 powershell.exe 3860 powershell.exe 5092 powershell.exe 4732 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 3908 schtasks.exe 3456 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.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\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.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\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2980 powershell.exe 2980 powershell.exe 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 4576 powershell.exe 4576 powershell.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 1800 powershell.exe 1800 powershell.exe 3860 powershell.exe 3860 powershell.exe 5092 powershell.exe 5092 powershell.exe 4732 powershell.exe 4732 powershell.exe 3464 powershell.exe 3464 powershell.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1648 csrss.exe 1648 csrss.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1648 csrss.exe 1648 csrss.exe 1800 injector.exe 1800 injector.exe 1648 csrss.exe 1648 csrss.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Token: SeImpersonatePrivilege 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeDebugPrivilege 3860 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeSystemEnvironmentPrivilege 1648 csrss.exe Token: SeSecurityPrivilege 1192 sc.exe Token: SeSecurityPrivilege 1192 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3668 wrote to memory of 2980 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 84 PID 3668 wrote to memory of 2980 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 84 PID 3668 wrote to memory of 2980 3668 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 84 PID 2588 wrote to memory of 4576 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 98 PID 2588 wrote to memory of 4576 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 98 PID 2588 wrote to memory of 4576 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 98 PID 2588 wrote to memory of 228 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 101 PID 2588 wrote to memory of 228 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 101 PID 228 wrote to memory of 1096 228 cmd.exe 103 PID 228 wrote to memory of 1096 228 cmd.exe 103 PID 2588 wrote to memory of 1800 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 104 PID 2588 wrote to memory of 1800 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 104 PID 2588 wrote to memory of 1800 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 104 PID 2588 wrote to memory of 3860 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 107 PID 2588 wrote to memory of 3860 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 107 PID 2588 wrote to memory of 3860 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 107 PID 2588 wrote to memory of 1648 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 109 PID 2588 wrote to memory of 1648 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 109 PID 2588 wrote to memory of 1648 2588 6f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a.exe 109 PID 1648 wrote to memory of 5092 1648 csrss.exe 110 PID 1648 wrote to memory of 5092 1648 csrss.exe 110 PID 1648 wrote to memory of 5092 1648 csrss.exe 110 PID 1648 wrote to memory of 4732 1648 csrss.exe 116 PID 1648 wrote to memory of 4732 1648 csrss.exe 116 PID 1648 wrote to memory of 4732 1648 csrss.exe 116 PID 1648 wrote to memory of 3464 1648 csrss.exe 118 PID 1648 wrote to memory of 3464 1648 csrss.exe 118 PID 1648 wrote to memory of 3464 1648 csrss.exe 118 PID 1648 wrote to memory of 1800 1648 csrss.exe 120 PID 1648 wrote to memory of 1800 1648 csrss.exe 120 PID 3872 wrote to memory of 3220 3872 windefender.exe 127 PID 3872 wrote to memory of 3220 3872 windefender.exe 127 PID 3872 wrote to memory of 3220 3872 windefender.exe 127 PID 3220 wrote to memory of 1192 3220 cmd.exe 128 PID 3220 wrote to memory of 1192 3220 cmd.exe 128 PID 3220 wrote to memory of 1192 3220 cmd.exe 128 -
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:3668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980
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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:2588 -
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:4576
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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:228 -
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:1096
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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:1800
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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:3860
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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:1648 -
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:5092
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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:3908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2984
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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:4732
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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:3464
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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:1800
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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:3456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3872 -
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:3220 -
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:1192
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4120
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500ff616f43d02959be64a45c5b645f97
SHA11adc93e5473f322db4ea6f3754c58524b176248a
SHA25633875877485a8d8f08e1a74454556853b316c6703a2ca6b2581f77f23f61c6bc
SHA512ed5da986850d00cc60f4d9c7ee890d11930b01f6fc0508cb90d7465895e3f3d2dcce1e1b3e67339b468bf04ef2cba899c8377d1a122b5a398ea6d32b05d7250e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ae11668f87a9170543c1b0190b69feb
SHA17a6baa82cbec23cea46a361bf88d09087a083eb0
SHA256ace8d8c455afd172ea18510f8d03d5569fdcd23d549a578e26bec5ae41087d55
SHA5127c3ca6e3378394c1601c236a7ba982700cc9489242d9bf08e960da1be9707b0955290ea1843c0c78c979c2f993c06bfad46834ad339834ea3d59ee5fa4dba28c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e143b2beb05e87d748be9cd875d645fe
SHA134b9ffb09e9735d47834527f753410b7ddb2a24d
SHA256ca87d6d4668c265f2d5cbfca7e56dcd252392b75af0636363a440c61666435be
SHA51291341c1cf916f6a080cfe2a7f7559221922797e6eea0eba48587cc53b5274baab0855bf139da6df941eb782ab82574597c288a863e54baf2d413aaf74cd18286
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed933d36304a6ef05d76d78cda3dac93
SHA18beaeaea6138fa0cf05db58868f3ee0f8150d388
SHA256e4f2ddac7e3ff8b61ce21a0fc7ec9e5f084fe702bdf4f2a2c8c2c99583951ef9
SHA512576f564d4b869b5bc3b572db11a5f055023b95f2bf2e4f0cede96ed6c72185481e88a062aff204bf407d901aa7aa5dd48c9f0a061f7464e863006f35f2164fb8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8b021ec98d182584ebdb8baf2a4d207
SHA17d3107a9eab392233b9a8ef24126ad8ba21e70b0
SHA25616f726d269642961016b3d0b4a950a16ccd7d822a6bde4817c5d3325692f7fd9
SHA512c9e4fd946530d09166385bff76d440e3592ecb7c0026d76d6318176ea2218dfa54efc2adb1e5b64d7369e0d760250543d3b4491b28faa22d4b2db88d2cfed7c0
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Filesize
4.1MB
MD5366ecd26d67de8025ab1803b83e09d1e
SHA12ae4d0ce3ae1192fec0cfbca0a2e9c57f26ccc33
SHA2566f6a327dbac4b3d3f3fb07706ae41e8261a67fc7b94dce313ca010615ec6903a
SHA512eee220f551d435135aed7d2b092884c482417204e790063ab666ca2d71794d0de050104c5a57eac36a1bb983830f95708cf6881bece1ac6e1911ec73940d9a43
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec