Analysis
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max time kernel
150s -
max time network
150s -
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 08:28
Static task
static1
Behavioral task
behavioral1
Sample
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe
Resource
win10v2004-20240426-en
General
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Target
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe
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Size
4.1MB
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MD5
77aa48db2dab3e77e948d558432e60ec
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SHA1
7b827e7cbc20b04f2a81596f7706b565e131d4f1
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SHA256
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb
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SHA512
849de8b6e9db94eb9ad5e6703537d45feb617fdea1685f71305750901040ae0d5796d9eb8855b33e6d268ff3360b2ce649bc102a5dedb0a01f6723ce7a107f66
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SSDEEP
98304:wcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxF:wcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsf
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3480-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/3480-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3480-56-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/3480-54-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3480-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2300-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2752-261-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2732 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2752 csrss.exe 2856 injector.exe 3984 windefender.exe 4172 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023441-221.dat upx behavioral1/memory/3984-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4172-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3984-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4172-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4172-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4172-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe File created C:\Windows\rss\csrss.exe ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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 3408 sc.exe -
pid Process 4864 powershell.exe 1432 powershell.exe 3676 powershell.exe 4676 powershell.exe 3088 powershell.exe 3616 powershell.exe 3464 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 1464 schtasks.exe 4128 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic 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" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4864 powershell.exe 4864 powershell.exe 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1432 powershell.exe 1432 powershell.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 3676 powershell.exe 3676 powershell.exe 4676 powershell.exe 4676 powershell.exe 3088 powershell.exe 3088 powershell.exe 3616 powershell.exe 3616 powershell.exe 3464 powershell.exe 3464 powershell.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2752 csrss.exe 2752 csrss.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2752 csrss.exe 2752 csrss.exe 2856 injector.exe 2856 injector.exe 2752 csrss.exe 2752 csrss.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe 2856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Token: SeImpersonatePrivilege 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeSystemEnvironmentPrivilege 2752 csrss.exe Token: SeSecurityPrivilege 3408 sc.exe Token: SeSecurityPrivilege 3408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3480 wrote to memory of 4864 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 86 PID 3480 wrote to memory of 4864 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 86 PID 3480 wrote to memory of 4864 3480 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 86 PID 2300 wrote to memory of 1432 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 2300 wrote to memory of 1432 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 2300 wrote to memory of 1432 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 2300 wrote to memory of 4776 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 99 PID 2300 wrote to memory of 4776 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 99 PID 4776 wrote to memory of 2732 4776 cmd.exe 101 PID 4776 wrote to memory of 2732 4776 cmd.exe 101 PID 2300 wrote to memory of 3676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 102 PID 2300 wrote to memory of 3676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 102 PID 2300 wrote to memory of 3676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 102 PID 2300 wrote to memory of 4676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 106 PID 2300 wrote to memory of 4676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 106 PID 2300 wrote to memory of 4676 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 106 PID 2300 wrote to memory of 2752 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 108 PID 2300 wrote to memory of 2752 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 108 PID 2300 wrote to memory of 2752 2300 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 108 PID 2752 wrote to memory of 3088 2752 csrss.exe 109 PID 2752 wrote to memory of 3088 2752 csrss.exe 109 PID 2752 wrote to memory of 3088 2752 csrss.exe 109 PID 2752 wrote to memory of 3616 2752 csrss.exe 115 PID 2752 wrote to memory of 3616 2752 csrss.exe 115 PID 2752 wrote to memory of 3616 2752 csrss.exe 115 PID 2752 wrote to memory of 3464 2752 csrss.exe 117 PID 2752 wrote to memory of 3464 2752 csrss.exe 117 PID 2752 wrote to memory of 3464 2752 csrss.exe 117 PID 2752 wrote to memory of 2856 2752 csrss.exe 119 PID 2752 wrote to memory of 2856 2752 csrss.exe 119 PID 3984 wrote to memory of 2720 3984 windefender.exe 125 PID 3984 wrote to memory of 2720 3984 windefender.exe 125 PID 3984 wrote to memory of 2720 3984 windefender.exe 125 PID 2720 wrote to memory of 3408 2720 cmd.exe 126 PID 2720 wrote to memory of 3408 2720 cmd.exe 126 PID 2720 wrote to memory of 3408 2720 cmd.exe 126 -
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\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4864
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C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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:2300 -
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:1432
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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:4776 -
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:2732
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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:3676
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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:4676
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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:2752 -
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:3088
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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:1464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1092
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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:3616
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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:3464
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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:2856
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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:4128
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3984 -
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:2720 -
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:3408
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4172
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
MD505eed9a2a69e75feacf862463c202b17
SHA19cea190606f5004270a9942083b6effe62c1d334
SHA256dc887bf9b97aef35932066cf4e215256789f4c53a3806d2076dac2d07b078d95
SHA5122f4246217340760797679351b1c0ab89b085826a77f7c0335408c70213ad1ef2c9483ccb1845d58847320b6057e5435d7263a1da2e7fed2c3b040c6ca18b83f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f53ce13494c989197fecc0165611d513
SHA176135f33f12d985ffcd07e9fe04adb977fc8a322
SHA25643c68ef7275e1a0c1ffd8978b0fa17895e31483fc2aa50421e79f2a86d62b9c8
SHA512abc6c796bef311a9694b2b614d9a64a19d2eec997bfe4a5a98ee0186da670dd4080283ecbdf37e3b6f31cb556769b0d84ebeb8922432f50d3cd02b000908dcb6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7341e47bdfde423fe8b7fd3e55a9c81
SHA1c47377fd273064e24929fd4e083026a5bc1491a3
SHA256168cdb3c6f69a5c5ef68bfcbdf87f796c780b61bb8853679fb34a588eaf23856
SHA51273f2411780c5ea7343b8bf0ca5967718986b58c68d7608d51eddeefd9cf6e72c10ca8f1eb5badcf0c481094e97b9770bd6698359ce91239ce19437a1c8b25c19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546d102040956bc3673f3268f59623cc3
SHA124bfafe941a031d6c0c0dbe0e85da2cc608953bf
SHA2560d12197161812b80c8ed70623e9748d2a9e43c16d13d556a73cc8f33172539a4
SHA5126fe9e5f27a4849e3edc9fd4123e4e2cad690bc27830f05fc0e5ad6426f370816122d9657e3f05392a5f6a34eabc8ca59cb539b989b4c736717ea9178698d3944
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1e377fd58f9fe3cc523a035dd5248b9
SHA1af1da5c2c17ec41ba6c251ae1a94113ac1c27db3
SHA256923a2af150985271055185910669b2c16aa2d4d005ec8a72cdb3386a35151372
SHA512d0c71660dc3ed16d083020f9b5aaa874b6a173a5c77f4fdb63fdf95daadc27832b23848d0d200fbcf2fc192afd1c03e5d4ffcf219e01a79846b6a57bc27f5b3e
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Filesize
4.1MB
MD577aa48db2dab3e77e948d558432e60ec
SHA17b827e7cbc20b04f2a81596f7706b565e131d4f1
SHA256ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb
SHA512849de8b6e9db94eb9ad5e6703537d45feb617fdea1685f71305750901040ae0d5796d9eb8855b33e6d268ff3360b2ce649bc102a5dedb0a01f6723ce7a107f66
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec