Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3880-2-0x0000000005100000-0x00000000059EB000-memory.dmp family_glupteba behavioral1/memory/3880-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3880-56-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3880-57-0x0000000005100000-0x00000000059EB000-memory.dmp family_glupteba behavioral1/memory/3056-59-0x00000000050F0000-0x00000000059DB000-memory.dmp family_glupteba behavioral1/memory/3056-60-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3056-75-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3056-109-0x0000000003550000-0x000000000394E000-memory.dmp family_glupteba behavioral1/memory/3056-137-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3056-158-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-193-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-260-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-269-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-271-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-273-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-275-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-277-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-279-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4000-281-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3964 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4000 csrss.exe 1844 injector.exe 2860 windefender.exe 4988 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2860-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4988-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4988-274-0x0000000000400000-0x00000000008DF000-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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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:
csrss.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4600 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4896 3880 WerFault.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 348 3880 WerFault.exe 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 220 3880 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 2252 schtasks.exe 2236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.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 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\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.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,-791 = "SA Western Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3100 powershell.exe 3100 powershell.exe 3100 powershell.exe 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 4948 powershell.exe 4948 powershell.exe 4948 powershell.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe 4480 powershell.exe 4480 powershell.exe 3144 powershell.exe 3144 powershell.exe 1780 powershell.exe 1780 powershell.exe 3936 powershell.exe 3936 powershell.exe 2448 powershell.exe 2448 powershell.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 4000 csrss.exe 4000 csrss.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 4000 csrss.exe 4000 csrss.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 4000 csrss.exe 4000 csrss.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe 1844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Token: SeImpersonatePrivilege 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 2448 powershell.exe Token: SeSystemEnvironmentPrivilege 4000 csrss.exe Token: SeSecurityPrivilege 4600 sc.exe Token: SeSecurityPrivilege 4600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3880 wrote to memory of 3100 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3880 wrote to memory of 3100 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3880 wrote to memory of 3100 3880 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4948 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4948 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4948 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 3016 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe cmd.exe PID 3056 wrote to memory of 3016 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe cmd.exe PID 3016 wrote to memory of 3964 3016 cmd.exe netsh.exe PID 3016 wrote to memory of 3964 3016 cmd.exe netsh.exe PID 3056 wrote to memory of 4480 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4480 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4480 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 3144 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 3144 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 3144 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe powershell.exe PID 3056 wrote to memory of 4000 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 3056 wrote to memory of 4000 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 3056 wrote to memory of 4000 3056 7592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6.exe csrss.exe PID 4000 wrote to memory of 1780 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 1780 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 1780 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 3936 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 3936 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 3936 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 2448 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 2448 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 2448 4000 csrss.exe powershell.exe PID 4000 wrote to memory of 1844 4000 csrss.exe injector.exe PID 4000 wrote to memory of 1844 4000 csrss.exe injector.exe PID 2860 wrote to memory of 2136 2860 windefender.exe cmd.exe PID 2860 wrote to memory of 2136 2860 windefender.exe cmd.exe PID 2860 wrote to memory of 2136 2860 windefender.exe cmd.exe PID 2136 wrote to memory of 4600 2136 cmd.exe sc.exe PID 2136 wrote to memory of 4600 2136 cmd.exe sc.exe PID 2136 wrote to memory of 4600 2136 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:3880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3100 -
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:3056 -
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:4948 -
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:3016 -
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:3964 -
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:4480 -
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:3144 -
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:4000 -
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:1780 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2252 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1344
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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:3936 -
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:2448 -
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:1844 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2236 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2860 -
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:2136 -
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:4600 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 9882⤵
- Program crash
PID:4896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 9442⤵
- Program crash
PID:348 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 7442⤵
- Program crash
PID:220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3880 -ip 38801⤵PID:3824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3880 -ip 38801⤵PID:4600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3880 -ip 38801⤵PID:1952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4988
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a62dd2024489659c3683b99bddf2717
SHA195b433df90695d729c85821c32854f11244e4a50
SHA2564eca412f99bb3202686d12f7f51528ff9a33bbefd3c99dcb0fd19b63bc10844b
SHA512df9dda96f4b5bec55b497108f23c873a3dd83e8d8985f1335b75d7c6f16e10d5a72dc7c0f10b4b394b42f3e82ed9ead3f3cfac80e35918b6135c9dcf12fe559b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567a9a4fadc2468896a19ea17093cec0e
SHA1ddf2ee7100cb08a747350c6ce69da43c745b7d61
SHA256b843243b5ebafb05d3e6f3024d4342fe040a73a12b7d0236a889c4be2ccb0404
SHA51279b87a031427471fe36c0f1bb8f0baf4f41b05c46055b7535c562a13c6f64119f065b62ce09e0a95fb82f4e678a61516e704a6289cc1bbf694adb3a8d6852663
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddc0d90dcdbf99fd434f59f92590e260
SHA1c0b404454340643e7cbb3b9bd1c4a7856531123d
SHA256cb9f080956e7086b83b4b91aa5860ab43c0eb86e910fc19056c4f339003a22a6
SHA512d7102b334208baf29e9c2a4cb82f58c0a3811128e69ee068f039d2ded6c7749e10fcc4342176d30f9e9fe2ea3e2b8bbd6cb5f8f3f6741273530044b6e32b6831
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59231bf45a114d8ee353f58d8cfbcfdd2
SHA121f7c95a0bef939d6cab4246fc4dc02b6acbdbb5
SHA2569e7a83005ad380e7bef7a8ff9ce8df1721ef85e0376b01e2f52a1bb05973820b
SHA5124149380203011eb400d2ab7c3135c845cfd579b981e458c636babca6653d959afd153b39b226cd7cdefb9e81e0a94db5ffb8182575501f682f20bff56b277f0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c64f7868c0e3c2b2ad94be2ec3d5019e
SHA16a2002c197f4f000c5f14a476873aa3771b82713
SHA2562747e8cbabbdb543779d82a6e6a8579385e3b3c122161efc3419c9ff44ebd803
SHA512cbe70dc617a46bdb86f63c757fff384e97e8ba161faead6d7672758f3d7522d5fa995f307363a1d864f4f4b831b9513a16bb584180b48c2b6676a82dff1f8fa8
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Filesize
4.2MB
MD5811c049cf0566e53f40de03b99cc1d68
SHA1f1e0e8a147c71706eb3849de925a2282e925d46e
SHA2567592d40671bf87383f483beadb2fe2cf986f135542d86ff34d1a8dd58ff344b6
SHA512f7ac47ee0455335583136c6c51331c0b086060ebd13dbd144516d62f119ee62efda5f490208d128a2fb1f34f7c2fd5edec3f136e55d3403283c4f20d4f295d9f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec