Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 13:01
Static task
static1
Behavioral task
behavioral1
Sample
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe
Resource
win10v2004-20240412-en
General
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Target
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe
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Size
4.2MB
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MD5
811c049cf0566e53f40de03b99cc1d68
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SHA1
f1e0e8a147c71706eb3849de925a2282e925d46e
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SHA256
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6
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SHA512
f7ac47ee0455335583136c6c51331c0b086060ebd13dbd144516d62f119ee62efda5f490208d128a2fb1f34f7c2fd5edec3f136e55d3403283c4f20d4f295d9f
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SSDEEP
98304:5lPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7n:5lP9LMc0wkDbEiV0LVIL
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3432-2-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral2/memory/3432-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/3432-42-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/3432-44-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral2/memory/668-46-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/668-83-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/668-109-0x0000000003690000-0x0000000003A98000-memory.dmp family_glupteba behavioral2/memory/668-122-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/668-143-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-178-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-240-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-249-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-251-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-253-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-255-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-257-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-259-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-261-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4768-263-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3356 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4768 csrss.exe 796 injector.exe 3784 windefender.exe 2448 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/3784-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2448-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2448-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe -
Drops file in Windows directory 4 IoCs
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe File created C:\Windows\rss\csrss.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.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.
Processes:
sc.exepid process 2644 sc.exe -
Program crash 4 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 1424 5056 WerFault.exe powershell.exe 4464 3432 WerFault.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 2324 3432 WerFault.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 916 3432 WerFault.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4984 schtasks.exe 2092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5056 powershell.exe 5056 powershell.exe 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3772 powershell.exe 3772 powershell.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 1932 powershell.exe 1932 powershell.exe 3728 powershell.exe 3728 powershell.exe 3904 powershell.exe 3904 powershell.exe 2700 powershell.exe 2700 powershell.exe 712 powershell.exe 712 powershell.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 4768 csrss.exe 4768 csrss.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 4768 csrss.exe 4768 csrss.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 4768 csrss.exe 4768 csrss.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe 796 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Token: SeImpersonatePrivilege 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeDebugPrivilege 712 powershell.exe Token: SeSystemEnvironmentPrivilege 4768 csrss.exe Token: SeSecurityPrivilege 2644 sc.exe Token: SeSecurityPrivilege 2644 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3432 wrote to memory of 5056 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3432 wrote to memory of 5056 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3432 wrote to memory of 5056 3432 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3772 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3772 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3772 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 1700 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe cmd.exe PID 668 wrote to memory of 1700 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe cmd.exe PID 1700 wrote to memory of 3356 1700 cmd.exe netsh.exe PID 1700 wrote to memory of 3356 1700 cmd.exe netsh.exe PID 668 wrote to memory of 1932 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 1932 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 1932 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3728 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3728 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 3728 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 668 wrote to memory of 4768 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 668 wrote to memory of 4768 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 668 wrote to memory of 4768 668 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 4768 wrote to memory of 3904 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 3904 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 3904 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 2700 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 2700 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 2700 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 712 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 712 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 712 4768 csrss.exe powershell.exe PID 4768 wrote to memory of 796 4768 csrss.exe injector.exe PID 4768 wrote to memory of 796 4768 csrss.exe injector.exe PID 3784 wrote to memory of 4404 3784 windefender.exe cmd.exe PID 3784 wrote to memory of 4404 3784 windefender.exe cmd.exe PID 3784 wrote to memory of 4404 3784 windefender.exe cmd.exe PID 4404 wrote to memory of 2644 4404 cmd.exe sc.exe PID 4404 wrote to memory of 2644 4404 cmd.exe sc.exe PID 4404 wrote to memory of 2644 4404 cmd.exe sc.exe -
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\7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe"C:\Users\Admin\AppData\Local\Temp\7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 22123⤵
- Program crash
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe"C:\Users\Admin\AppData\Local\Temp\7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.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:668 -
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:3772 -
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:1700 -
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:3356 -
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:1932 -
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:3728 -
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:4768 -
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:3904 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2092 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2176
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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:2700 -
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:712 -
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:796 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4984 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3784 -
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:4404 -
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:2644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 7922⤵
- Program crash
PID:4464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 7282⤵
- Program crash
PID:2324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 8962⤵
- Program crash
PID:916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5056 -ip 50561⤵PID:2084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3432 -ip 34321⤵PID:3852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3432 -ip 34321⤵PID:2500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3432 -ip 34321⤵PID:1840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2448
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
MD5bd41365272b35766e5a775907d910000
SHA1f06045820529f64882c659952779ad88d5b15b76
SHA256eec8028301b93395d2d20c3adfccc9197b288ed151ed5de209fc32f284abb0e1
SHA512ad9e564031e0a684b9ead1ae5e0e31de1f1513ef7581740c7b0f43e4d5540e985df097cafd50592cf645f974b714ad404b001b7b7872e27c3a53aebaf6e427a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1f0104c985431a3a2299fa18b8aae63
SHA1240d0c90019489374b2c33a4b7ca6765cb62762a
SHA25682a7ea6d2bc8d734d0f3271e757e68905149e2e4978ac864167b17dbf1dc41ef
SHA512011ab73175b7eeabb75e87651758a4b563624566507e57e07e2e98bd9d3359729dfc257a830f70c0cac61be45ea4c37ccbc3986c5e4b98026f6982e06c7778a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e941ae3317427697bf37f26cfdc2b3f
SHA16bbd1007f99a4b591de545159470405144675f8f
SHA2565ec05eb98f6fed42e1844dc758f8c0714bdc372931b76df27f3805e6ff6da122
SHA512137c4dcad32fa9b8bff3aebad3ed016d4a43d2c7b0c397b3ff562192bdbf59a17922a3e1c1f0c41246c4f6b4290acc6b03698ce9c2bfa2342de5449dbbd6809b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b22812c7cbcd00ad8f06582f1ce8647
SHA17f829f30a607ba2ce2affc90e653d9a84b5d6536
SHA25626d655757a9d31d87d42987cdf360177306114161a41978db57c93282d5f2c16
SHA5123ec812da8b2217c8fd7a667844df980eb88438f2cbbb09632a3b6c2faabc2468b8d1dd7b9b91a0485131b17ec5071c9071777efc6acc16a587b4a9b88b829030
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d27b91524d704eb81b93f5b91b87cdd
SHA1dc61420123e4f7a1e668201243db8568398288ba
SHA256f39abe8f7dcea745fe037d7a323bba822706b789246841eb7da009253c43bdb4
SHA512c7bb4d29da8be80a810a0730a62e9033e382d7cfab04fe91dc519ef17e094fe2de108977a199f1cccaedfcab01c18552fcc1990fcaf2c347035cbca03a41939f
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Filesize
4.2MB
MD5811c049cf0566e53f40de03b99cc1d68
SHA1f1e0e8a147c71706eb3849de925a2282e925d46e
SHA2567592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6
SHA512f7ac47ee0455335583136c6c51331c0b086060ebd13dbd144516d62f119ee62efda5f490208d128a2fb1f34f7c2fd5edec3f136e55d3403283c4f20d4f295d9f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec