Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 05:07
Static task
static1
Behavioral task
behavioral1
Sample
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe
Resource
win7-20231129-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/4868-2-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/4868-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4868-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4868-57-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/4868-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/464-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4360-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3788 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4360 csrss.exe 3644 injector.exe 2844 windefender.exe 2596 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023439-222.dat upx behavioral2/memory/2844-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2596-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2844-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2596-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2596-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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\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 File created 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 4512 sc.exe -
pid Process 2020 powershell.exe 4904 powershell.exe 1620 powershell.exe 1368 powershell.exe 3748 powershell.exe 5012 powershell.exe 4936 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 904 schtasks.exe 220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1022 = "Bangladesh Standard 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,-222 = "Alaskan Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA 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" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central 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" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific 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" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-1861 = "Russia TZ 6 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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-2592 = "Tocantins Standard Time" windefender.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,-2371 = "Easter Island Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4904 powershell.exe 4904 powershell.exe 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1620 powershell.exe 1620 powershell.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1368 powershell.exe 1368 powershell.exe 1368 powershell.exe 3748 powershell.exe 3748 powershell.exe 3748 powershell.exe 5012 powershell.exe 5012 powershell.exe 5012 powershell.exe 4936 powershell.exe 4936 powershell.exe 2020 powershell.exe 2020 powershell.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 4360 csrss.exe 4360 csrss.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 4360 csrss.exe 4360 csrss.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 4360 csrss.exe 4360 csrss.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeImpersonatePrivilege 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 3748 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeSystemEnvironmentPrivilege 4360 csrss.exe Token: SeSecurityPrivilege 4512 sc.exe Token: SeSecurityPrivilege 4512 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4904 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 86 PID 4868 wrote to memory of 4904 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 86 PID 4868 wrote to memory of 4904 4868 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 86 PID 464 wrote to memory of 1620 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 97 PID 464 wrote to memory of 1620 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 97 PID 464 wrote to memory of 1620 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 97 PID 464 wrote to memory of 3324 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 101 PID 464 wrote to memory of 3324 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 101 PID 3324 wrote to memory of 3788 3324 cmd.exe 103 PID 3324 wrote to memory of 3788 3324 cmd.exe 103 PID 464 wrote to memory of 1368 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 464 wrote to memory of 1368 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 464 wrote to memory of 1368 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 464 wrote to memory of 3748 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 464 wrote to memory of 3748 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 464 wrote to memory of 3748 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 464 wrote to memory of 4360 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 111 PID 464 wrote to memory of 4360 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 111 PID 464 wrote to memory of 4360 464 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 111 PID 4360 wrote to memory of 5012 4360 csrss.exe 112 PID 4360 wrote to memory of 5012 4360 csrss.exe 112 PID 4360 wrote to memory of 5012 4360 csrss.exe 112 PID 4360 wrote to memory of 4936 4360 csrss.exe 117 PID 4360 wrote to memory of 4936 4360 csrss.exe 117 PID 4360 wrote to memory of 4936 4360 csrss.exe 117 PID 4360 wrote to memory of 2020 4360 csrss.exe 120 PID 4360 wrote to memory of 2020 4360 csrss.exe 120 PID 4360 wrote to memory of 2020 4360 csrss.exe 120 PID 4360 wrote to memory of 3644 4360 csrss.exe 122 PID 4360 wrote to memory of 3644 4360 csrss.exe 122 PID 2844 wrote to memory of 2916 2844 windefender.exe 128 PID 2844 wrote to memory of 2916 2844 windefender.exe 128 PID 2844 wrote to memory of 2916 2844 windefender.exe 128 PID 2916 wrote to memory of 4512 2916 cmd.exe 129 PID 2916 wrote to memory of 4512 2916 cmd.exe 129 PID 2916 wrote to memory of 4512 2916 cmd.exe 129 -
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:4868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4904
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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:464 -
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:1620
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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:3324 -
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:3788
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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:1368
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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:3748
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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:4360 -
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:5012
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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:904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:952
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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:4936
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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:2020
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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:3644
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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:220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2844 -
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:2916 -
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:4512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2596
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb26dacba1f9d03d6adf26f98951d424
SHA1ebbdd94dd3d6f86c59bd99214950587b01453ac8
SHA25634117b3e5932d131448b62992ede37ac23a3b3bae63c3525b091b4b9e90ad371
SHA5122fe3889bc536d337a4ac3f099df979285e492e6e364b91e8ca7905e0bf56994777bcd0578aec3ca5c72cf0174b98318be0416036e9f9ecfb5473420fb379971f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d10f701c202b78b065347619b4d74686
SHA1b32f8e499e93341271e406334805c79806bf78c3
SHA256bacfb20fdbe58b5ecc7447e74a54a82f098554eab6b7bd657fcc910326f24bad
SHA51245ba4eb19ab8debc353fce8ee518a9946cef8235b982f17b604b8d284ba51633aed36893c53ded874934581ee104f8331590a82536e41b8c232c9540da464eb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586ee9da43e2a6947ad79e85a01e3af05
SHA170cb0a1c1dd0071155aa3bf60584b7f0e238c457
SHA2568d20981667bd8d0dd3db1aee1a053c07caab4d70052cbc8915fd99abfdcb660a
SHA5125a8d757b36a2243c9a050cc6e7a9a0fbade8e42eb65f8b1f13433951f12f61da77b81d38e0f5357f4be26f17fb3cc1c0db91ce0b86ea42a71febe0dd16ce728a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e000f1cd9ace17b8472bf926caa3715
SHA1b65f72b616de0c68144e52020fcbbded38c274d1
SHA256b4d253e9c137e194c0620ca67918211a9c8498433d1707af686403cb18a08754
SHA5126c6b4c3c2409032ae034d0606c99d66115fc1a67813787a3edc44c632f5a85cdf05d9d9e7dfe15d640a719e27fd7b750c9e54131c5eb7f3de9cf3bd23626ddeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ce6eba3b8b6279db008b26679f925f8
SHA150c6a7cf6507ad8316265857bc73f6b7069bf297
SHA256dc93061d3f843f76dd3e948befca79c5fd7a93e33f9629c0038fbeab8d6b4dad
SHA5121f2a74feed7fd82939bd7ef5cff74ad5d6b5608c95f5707cce689a2205c1fb24860e2306e9bda9f93a29eaf427e48944be14db8e2926af6e3f34be16cc0af1ac
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Filesize
4.1MB
MD53600b9a82907a9f072c5086fdc376220
SHA10553de1e76929adf821c5d78516a8ad2a86eb503
SHA256942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6
SHA5121389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec