Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe
Resource
win10v2004-20240226-en
General
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Target
44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe
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Size
4.1MB
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MD5
efe81e338f7ac4d981457b0ee8e23851
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SHA1
d485c50537711e84d05c5a9523a414a4f6860873
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SHA256
44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a
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SHA512
4a55eb64f5cb8ddc0ec002236011403e6df865a6fa1b4db2f6a809b11c8bb2aa9d6a37ee767009683e217253a47f7b0ef3226e91961804c63cd54a24c7c44259
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SSDEEP
98304:VwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpi:VwqoWyv4yANjKQa7oE
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4452-2-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/4452-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4452-24-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4452-53-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/4452-52-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4496-54-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4452-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4496-126-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-196-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-211-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-213-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-216-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-222-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-228-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3044-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3044 csrss.exe 1728 injector.exe 1540 windefender.exe 1272 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-205.dat upx behavioral2/memory/1540-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1540-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 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 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe File created C:\Windows\rss\csrss.exe 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.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 896 sc.exe -
pid Process 896 powershell.exe 644 powershell.exe 3148 powershell.exe 4896 powershell.exe 2904 powershell.exe 2368 powershell.exe 2368 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 2812 schtasks.exe 1060 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,-1412 = "Syria Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.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\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2368 powershell.exe 2368 powershell.exe 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 896 powershell.exe 896 powershell.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 644 powershell.exe 644 powershell.exe 3148 powershell.exe 3148 powershell.exe 4896 powershell.exe 4896 powershell.exe 2904 powershell.exe 2904 powershell.exe 2368 powershell.exe 2368 powershell.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 3044 csrss.exe 3044 csrss.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 3044 csrss.exe 3044 csrss.exe 1728 injector.exe 1728 injector.exe 3044 csrss.exe 3044 csrss.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe 1728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Token: SeImpersonatePrivilege 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe Token: SeDebugPrivilege 896 powershell.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeSystemEnvironmentPrivilege 3044 csrss.exe Token: SeSecurityPrivilege 896 sc.exe Token: SeSecurityPrivilege 896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4452 wrote to memory of 2368 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 81 PID 4452 wrote to memory of 2368 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 81 PID 4452 wrote to memory of 2368 4452 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 81 PID 4496 wrote to memory of 896 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 86 PID 4496 wrote to memory of 896 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 86 PID 4496 wrote to memory of 896 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 86 PID 4496 wrote to memory of 2124 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 88 PID 4496 wrote to memory of 2124 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 88 PID 2124 wrote to memory of 4484 2124 cmd.exe 90 PID 2124 wrote to memory of 4484 2124 cmd.exe 90 PID 4496 wrote to memory of 644 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 91 PID 4496 wrote to memory of 644 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 91 PID 4496 wrote to memory of 644 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 91 PID 4496 wrote to memory of 3148 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 93 PID 4496 wrote to memory of 3148 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 93 PID 4496 wrote to memory of 3148 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 93 PID 4496 wrote to memory of 3044 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 95 PID 4496 wrote to memory of 3044 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 95 PID 4496 wrote to memory of 3044 4496 44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe 95 PID 3044 wrote to memory of 4896 3044 csrss.exe 96 PID 3044 wrote to memory of 4896 3044 csrss.exe 96 PID 3044 wrote to memory of 4896 3044 csrss.exe 96 PID 3044 wrote to memory of 2904 3044 csrss.exe 102 PID 3044 wrote to memory of 2904 3044 csrss.exe 102 PID 3044 wrote to memory of 2904 3044 csrss.exe 102 PID 3044 wrote to memory of 2368 3044 csrss.exe 104 PID 3044 wrote to memory of 2368 3044 csrss.exe 104 PID 3044 wrote to memory of 2368 3044 csrss.exe 104 PID 3044 wrote to memory of 1728 3044 csrss.exe 106 PID 3044 wrote to memory of 1728 3044 csrss.exe 106 PID 1540 wrote to memory of 1416 1540 windefender.exe 112 PID 1540 wrote to memory of 1416 1540 windefender.exe 112 PID 1540 wrote to memory of 1416 1540 windefender.exe 112 PID 1416 wrote to memory of 896 1416 cmd.exe 113 PID 1416 wrote to memory of 896 1416 cmd.exe 113 PID 1416 wrote to memory of 896 1416 cmd.exe 113 -
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\44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe"C:\Users\Admin\AppData\Local\Temp\44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Users\Admin\AppData\Local\Temp\44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.exe"C:\Users\Admin\AppData\Local\Temp\44585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a.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:4496 -
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:896
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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:2124 -
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:4484
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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:644
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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:3148
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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:3044 -
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:4896
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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:2812
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2560
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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:2904
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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:2368
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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:1728
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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:1060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1540 -
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:1416 -
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:896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1272
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
MD509915e738614d5a7194b0a963cadf734
SHA1bb6acb79492bf30324b5d7e2337acbaeb7aa2c32
SHA2566ef3b3ced6a319cae562e9b3a8e7746936ab7fab941f2603f1cc03a4f4ac396f
SHA51256d00f3014ab9207fd2034328d90bb0b6d700001ed4369bd4565c01f803847cbfb59090161cf520523076eb30a5c88a56b6f1aeddf6432f6feb4ea0a8be92a9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5969d5ed51b0deb1fb62b7e3fbe4bbfb4
SHA1705e21b1fcaa505507b1fbd20c4770dbed84ac75
SHA25634e80648432bd73b65abebd8448a523cde1eaacdcaae7dc17efefeb726283ed5
SHA512263cb0d54796ca590c679f02861eeb67f0686fa52973286395257b3878c5706d8592e5b29075f4820993cc9e0fba4f1d4d07dd22eda3694e7a442e4781463f5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542de3b22dfec0cd56353e966805aa274
SHA19b3a34ff0f27a7403466ad20d59375933c878baa
SHA25677fa54eee420cb69bd6a94b1a38f42c5eabcae985a27e683a81d0bb18e2eea17
SHA512df481627764c7d16832101aa28c2481443ec40eeb829675c0440cea3c94ef38f963a18c029c8560585d872693c843e8e87751ba704ba31dade7d78681fb8d74e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5190d159b0e295d1ba2e17438cc86d936
SHA12c47746fb381f5a5cb98db16b02ce0e8502fad15
SHA256a47295a9c1c0ba757ef06d5263aa82fb3f8710023d4c3883606c7155afa39244
SHA512c7201a26d8c50012fda9ce84b24feede75e6431905cf711f6b83505faf85bb71536af03b8e53950a0678d8a8189c4b7882f2158b2e254c42d645c8791b46c532
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537cf6684784899bddc3112d7fa633aae
SHA16e6ef2d2ef8a8a2eb961ff8dfd027271c73323aa
SHA2566a01395d05f6f1e7321bcd92495cadba9db7a2ee36990ecf07f23fc99c4d698e
SHA5125cfe2730ab834b498870f8e8ed4e9414f4ff15a31ffc8f667832d0d3e75310195d12a710585ad0b3cc04b34b70a912aa027912f4ea6e53cd6c0f19b3f1a15d4f
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Filesize
4.1MB
MD5efe81e338f7ac4d981457b0ee8e23851
SHA1d485c50537711e84d05c5a9523a414a4f6860873
SHA25644585fd6d0950b09e982a66f087842be69ad891da6a41214015546178437fd0a
SHA5124a55eb64f5cb8ddc0ec002236011403e6df865a6fa1b4db2f6a809b11c8bb2aa9d6a37ee767009683e217253a47f7b0ef3226e91961804c63cd54a24c7c44259
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec