Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 16:27
Static task
static1
Behavioral task
behavioral1
Sample
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe
Resource
win10v2004-20240426-en
General
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Target
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe
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Size
4.1MB
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MD5
3600b9a82907a9f072c5086fdc376220
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SHA1
0553de1e76929adf821c5d78516a8ad2a86eb503
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SHA256
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6
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SHA512
1389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvl:6RrVrv4XbNRWhj2o9k8f3CspGvl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2428-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2428-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2428-53-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2428-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2428-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/840-125-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-204-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3804-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2616 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3804 csrss.exe 4156 injector.exe 4652 windefender.exe 3952 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa16-207.dat upx behavioral2/memory/4652-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3952-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4652-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3952-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3952-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 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 -
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 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe File created C:\Windows\rss\csrss.exe 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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 2872 sc.exe -
pid Process 3224 powershell.exe 5068 powershell.exe 3516 powershell.exe 3236 powershell.exe 3324 powershell.exe 2232 powershell.exe 2408 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1376 2428 WerFault.exe 77 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4640 schtasks.exe 4092 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3236 powershell.exe 3236 powershell.exe 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 3324 powershell.exe 3324 powershell.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 2232 powershell.exe 2232 powershell.exe 2408 powershell.exe 2408 powershell.exe 3224 powershell.exe 3224 powershell.exe 5068 powershell.exe 5068 powershell.exe 3516 powershell.exe 3516 powershell.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 3804 csrss.exe 3804 csrss.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 3804 csrss.exe 3804 csrss.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 3804 csrss.exe 3804 csrss.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe 4156 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3236 powershell.exe Token: SeDebugPrivilege 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeImpersonatePrivilege 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 3224 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeSystemEnvironmentPrivilege 3804 csrss.exe Token: SeSecurityPrivilege 2872 sc.exe Token: SeSecurityPrivilege 2872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2428 wrote to memory of 3236 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 79 PID 2428 wrote to memory of 3236 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 79 PID 2428 wrote to memory of 3236 2428 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 79 PID 840 wrote to memory of 3324 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 840 wrote to memory of 3324 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 840 wrote to memory of 3324 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 840 wrote to memory of 5056 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 89 PID 840 wrote to memory of 5056 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 89 PID 5056 wrote to memory of 2616 5056 cmd.exe 91 PID 5056 wrote to memory of 2616 5056 cmd.exe 91 PID 840 wrote to memory of 2232 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 92 PID 840 wrote to memory of 2232 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 92 PID 840 wrote to memory of 2232 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 92 PID 840 wrote to memory of 2408 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 94 PID 840 wrote to memory of 2408 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 94 PID 840 wrote to memory of 2408 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 94 PID 840 wrote to memory of 3804 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 96 PID 840 wrote to memory of 3804 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 96 PID 840 wrote to memory of 3804 840 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 96 PID 3804 wrote to memory of 3224 3804 csrss.exe 97 PID 3804 wrote to memory of 3224 3804 csrss.exe 97 PID 3804 wrote to memory of 3224 3804 csrss.exe 97 PID 3804 wrote to memory of 5068 3804 csrss.exe 103 PID 3804 wrote to memory of 5068 3804 csrss.exe 103 PID 3804 wrote to memory of 5068 3804 csrss.exe 103 PID 3804 wrote to memory of 3516 3804 csrss.exe 105 PID 3804 wrote to memory of 3516 3804 csrss.exe 105 PID 3804 wrote to memory of 3516 3804 csrss.exe 105 PID 3804 wrote to memory of 4156 3804 csrss.exe 107 PID 3804 wrote to memory of 4156 3804 csrss.exe 107 PID 4652 wrote to memory of 4056 4652 windefender.exe 113 PID 4652 wrote to memory of 4056 4652 windefender.exe 113 PID 4652 wrote to memory of 4056 4652 windefender.exe 113 PID 4056 wrote to memory of 2872 4056 cmd.exe 114 PID 4056 wrote to memory of 2872 4056 cmd.exe 114 PID 4056 wrote to memory of 2872 4056 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3236
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C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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:840 -
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:3324
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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:5056 -
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:2616
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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:2232
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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:2408
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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:3804 -
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:3224
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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:4640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4604
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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:5068
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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:3516
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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:4156
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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:4092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4652 -
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:4056 -
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:2872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 7522⤵
- Program crash
PID:1376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2428 -ip 24281⤵PID:3408
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3952
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
MD5e3f55c41f68f28b67c064c26178e0722
SHA1f07c372f71b342e6ad9063f31edd61bce6c7ad59
SHA256dcd3dbc2e48a4df05bc6f44f962f117fb6d4f08b71b01887ed2126bf7215c77e
SHA5121d821a5ec17b61415d6ebe59358a3e37ac8ddb3a5452f3511fb0c886a38e7d9e3927582cfbb6febe2bd88f55e0aebf0718eaca4e7b59ac5ec813a12c53dae825
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dff1ea324744d36dd10719c244f49b3
SHA1ded98151397297f8a9d022662e06f289077e8bf1
SHA25651642d1d340900fb94132790b1e1b7d63b96d2286fb45368b70c7b246ddfd4f1
SHA5127c044ce549b13ebbf4244c60b81a50294da4b36b9f3e542c8d6d64509b1f7690ce7f1963c7e45bb96bcc2449ddaec991674801ca3a999707ec4c3aad6b0ca313
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1add537a2b009ee56cb4da73584a780
SHA1f714699bd4e7c4969c6794921fdc31ddf7ed41e2
SHA256621ecce3a7f97c1ad304fb8c4840fe990e50b55397b1b58cbd1c5839fb9d7f93
SHA512a2d5628ce616df9b2e29a9d7fbd60a55fe6db2519bd3183dc7fc7830a38ae649a08d8c91c54e5dd5028d023e4aa9c1a246a5ec38a03653ac407f32a9c00e0f75
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cba9158f4bd01de22649a80352af037c
SHA1da59a3e24efbc30ed488a0979d6667321040d2a7
SHA256abd120686f833fa546ae39665f888dfd5f652432141aa299514ab66d95755087
SHA5127c3fd7c1ccdcc80c7c6cae249ac745929c7708c3d4ee608c4c9beaca3375c0dfd57df00cdd895829c11576d47f342eccfc608c7a95eaad32ad6751f0866b28e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5157bca95854491478dd1366097f06850
SHA18c1724e408a85d5cac69c6adb0bbcb1429248a51
SHA256014f583a61e7d7026e38e9abbd99286ef76e792e4edc33a2690936af99acdacf
SHA51280272184120cb52d3fcdd2dbdf8b9ca7774fe30e81b025ed9486e2d2350aa70002420918d1c0afb6e8d09737ce5d9e409706722e799915490cef46d13bfd0bb2
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Filesize
4.1MB
MD53600b9a82907a9f072c5086fdc376220
SHA10553de1e76929adf821c5d78516a8ad2a86eb503
SHA256942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6
SHA5121389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec