Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-04-2024 10:04
Static task
static1
Behavioral task
behavioral1
Sample
4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe
Resource
win10v2004-20240419-en
General
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Target
4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe
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Size
4.2MB
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MD5
385c8584e540fac31b92cd8092599d88
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SHA1
87fb9978a53acc597aeb09b06b5596bf11aacfbc
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SHA256
4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915
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SHA512
6939b234f01c5d81783cd62e021966bd548333a6b813c1bec32552ec1f5a2544b50b9c48663343a945b52789b1df49edd0a93dd1ec4d533e9f9a3031192782c1
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SSDEEP
98304:n/b+KJmiBMor9GQLaPpt0vK/+kpZQUDoPdzttRPI9D4Y5T6eALBIt:z+KAorFLaPpt06r/QU0Pd5tRu4YZ6ej
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2604-2-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/2604-3-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/2604-52-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/2604-53-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/2200-127-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-203-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-213-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-215-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-217-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-219-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-221-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-223-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-225-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-227-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-229-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-231-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-233-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral2/memory/5016-235-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5052 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5016 csrss.exe 2664 injector.exe 4768 windefender.exe 3972 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0c-206.dat upx behavioral2/memory/4768-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3972-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4768-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3972-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3972-218-0x0000000000400000-0x00000000008DF000-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\"" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.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 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 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.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 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe File created C:\Windows\rss\csrss.exe 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.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 2012 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2740 2604 WerFault.exe 78 4004 2200 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4620 schtasks.exe 416 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\@tzres.dll,-2452 = "Saint Pierre 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" 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,-1842 = "Russia TZ 4 Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4812 powershell.exe 4812 powershell.exe 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2848 powershell.exe 2848 powershell.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 4512 powershell.exe 4512 powershell.exe 1528 powershell.exe 1528 powershell.exe 4800 powershell.exe 4800 powershell.exe 1952 powershell.exe 1952 powershell.exe 4992 powershell.exe 4992 powershell.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 5016 csrss.exe 5016 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 5016 csrss.exe 5016 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 5016 csrss.exe 5016 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Token: SeImpersonatePrivilege 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeSystemEnvironmentPrivilege 5016 csrss.exe Token: SeSecurityPrivilege 2012 sc.exe Token: SeSecurityPrivilege 2012 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2604 wrote to memory of 4812 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 81 PID 2604 wrote to memory of 4812 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 81 PID 2604 wrote to memory of 4812 2604 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 81 PID 2200 wrote to memory of 2848 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 89 PID 2200 wrote to memory of 2848 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 89 PID 2200 wrote to memory of 2848 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 89 PID 2200 wrote to memory of 3724 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 91 PID 2200 wrote to memory of 3724 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 91 PID 3724 wrote to memory of 5052 3724 cmd.exe 93 PID 3724 wrote to memory of 5052 3724 cmd.exe 93 PID 2200 wrote to memory of 4512 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 94 PID 2200 wrote to memory of 4512 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 94 PID 2200 wrote to memory of 4512 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 94 PID 2200 wrote to memory of 1528 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 96 PID 2200 wrote to memory of 1528 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 96 PID 2200 wrote to memory of 1528 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 96 PID 2200 wrote to memory of 5016 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 98 PID 2200 wrote to memory of 5016 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 98 PID 2200 wrote to memory of 5016 2200 4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe 98 PID 5016 wrote to memory of 4800 5016 csrss.exe 101 PID 5016 wrote to memory of 4800 5016 csrss.exe 101 PID 5016 wrote to memory of 4800 5016 csrss.exe 101 PID 5016 wrote to memory of 1952 5016 csrss.exe 106 PID 5016 wrote to memory of 1952 5016 csrss.exe 106 PID 5016 wrote to memory of 1952 5016 csrss.exe 106 PID 5016 wrote to memory of 4992 5016 csrss.exe 109 PID 5016 wrote to memory of 4992 5016 csrss.exe 109 PID 5016 wrote to memory of 4992 5016 csrss.exe 109 PID 5016 wrote to memory of 2664 5016 csrss.exe 111 PID 5016 wrote to memory of 2664 5016 csrss.exe 111 PID 4768 wrote to memory of 4940 4768 windefender.exe 117 PID 4768 wrote to memory of 4940 4768 windefender.exe 117 PID 4768 wrote to memory of 4940 4768 windefender.exe 117 PID 4940 wrote to memory of 2012 4940 cmd.exe 118 PID 4940 wrote to memory of 2012 4940 cmd.exe 118 PID 4940 wrote to memory of 2012 4940 cmd.exe 118 -
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\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe"C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4812
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C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe"C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.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:2200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848
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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:3724 -
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:5052
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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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:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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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:4620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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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:2664
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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:416
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4768 -
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:4940 -
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:2012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 6123⤵
- Program crash
PID:4004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 9682⤵
- Program crash
PID:2740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2604 -ip 26041⤵PID:3816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2200 -ip 22001⤵PID:3908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3972
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
MD5b1f949c78d456643b18d4fd965052994
SHA18a729ee9945e2b780cf37f1b31af3e653ad9615e
SHA25684013a6e863b7c22249729b43005d16311987d405bb8bf4200154a5fa01cc5b6
SHA512b407f83a320f0d005ad49ea1ce60092f830c1dd584494aabc22bce9d929a92fe37bd9321703cda3595dddec5b41bbfc1d2e4d460233ab0cca48db85613816372
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ed725d93b82a1e460b1ffd9a35aa954
SHA1be92b80b870513cf73f32610bc7ca3c8b58ea030
SHA2563fa40a3ea8706d00b51da3053ba9902ba35d90a586b779cec103e4eeb20ff577
SHA512866a0be1f608ea43eb5c82e77b48ce42a5a7455ecfc7c7ada2fce8a44f7c317697bc0a2eaf2d888e73418b5b59c510099310be44130f33dc22ccfcb5cb17928d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efb6a34c457afc3ca55d6e391d271861
SHA1c55b716e91b92b5f1853d122e791ebf30f6e8b4b
SHA2569fee0a0b4dee2d5ac70eecd7cc4e1d1f60de976b8d9c2183448c8882efb3e860
SHA512425720902205e45b65670dba8533368eb4ae6077a6d14a7a065e845e029e142dbd3664cdfcf8a3ded195c1ffcaad2fc9b2cbc5ae2cf3dcca741f831bd419d2b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593fd0210a23b0a97f8318d3dd24dece9
SHA1a4891485fe6d9489f42a5fe3b390eb5fd6296407
SHA256d5eb2fd5b9a379e7aa8a3aa069e70307ff61c0f4ef8ec4b95a12fb6dc7b5f9a2
SHA51270f5d6880b82e6c38121d8c0b64fc4794f53bc9e4addbcca83cd3b672472a64d49ecbd6ead9fdf25a8eea5c1d2398c59a2b5ae6bc198ed14ea5dd9954191f532
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522d3bf98c15d6741f659b9fdb9d27899
SHA17d793e51f9684762dfcf55f2cc36505b5ea01229
SHA256ec56e609e8c6f7d7b389d22124fa360512a8170f8c2165992baa9c32efcb58c5
SHA51225b745c02ab55a8ccf6134907530276c8c912b7800d6fdb507a3b68453c6eff5bdfc17bc9624458264dc84d521665b6018acb44703954ed6cfd29f6d5559341a
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Filesize
4.2MB
MD5385c8584e540fac31b92cd8092599d88
SHA187fb9978a53acc597aeb09b06b5596bf11aacfbc
SHA2564594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915
SHA5126939b234f01c5d81783cd62e021966bd548333a6b813c1bec32552ec1f5a2544b50b9c48663343a945b52789b1df49edd0a93dd1ec4d533e9f9a3031192782c1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec