Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:06
Static task
static1
Behavioral task
behavioral1
Sample
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe
Resource
win10v2004-20240426-en
General
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Target
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe
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Size
4.1MB
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MD5
597885933d99940939f031724e2d5000
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SHA1
157aa1d0d301f6db6651b14b8543208fea0caf5d
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SHA256
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119
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SHA512
0ddd0cf3791e4d9d9ebc7ef8409015b727f46230e7c4b80c4129475db85646014af9865f045182636d77429014d665dfb405beee8f5f99dcf667b7c0199aade7
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SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSo:IuOpIddBi3V8Ojm7gWylM939Cl
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/968-2-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral2/memory/968-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/968-110-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral2/memory/968-108-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/968-182-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/552-181-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-200-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-211-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-223-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-251-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4904-255-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 680 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4904 csrss.exe 1296 injector.exe 2212 windefender.exe 780 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1d-204.dat upx behavioral2/memory/2212-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/780-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2212-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/780-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/780-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/780-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe -
Drops file in Windows directory 4 IoCs
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe File created C:\Windows\rss\csrss.exe 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.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 4412 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2972 powershell.exe 3436 powershell.exe 2944 powershell.exe 1188 powershell.exe 128 powershell.exe 564 powershell.exe 2324 powershell.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 1832 schtasks.exe 4620 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2324 powershell.exe 2324 powershell.exe 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 2972 powershell.exe 2972 powershell.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 3436 powershell.exe 3436 powershell.exe 2944 powershell.exe 2944 powershell.exe 1188 powershell.exe 1188 powershell.exe 128 powershell.exe 128 powershell.exe 564 powershell.exe 564 powershell.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 4904 csrss.exe 4904 csrss.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 4904 csrss.exe 4904 csrss.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 4904 csrss.exe 4904 csrss.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe 1296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Token: SeImpersonatePrivilege 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Token: SeDebugPrivilege 2972 powershell.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 128 powershell.exe Token: SeDebugPrivilege 564 powershell.exe Token: SeSystemEnvironmentPrivilege 4904 csrss.exe Token: SeSecurityPrivilege 4412 sc.exe Token: SeSecurityPrivilege 4412 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 968 wrote to memory of 2324 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 82 PID 968 wrote to memory of 2324 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 82 PID 968 wrote to memory of 2324 968 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 82 PID 552 wrote to memory of 2972 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 88 PID 552 wrote to memory of 2972 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 88 PID 552 wrote to memory of 2972 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 88 PID 552 wrote to memory of 2288 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 90 PID 552 wrote to memory of 2288 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 90 PID 2288 wrote to memory of 680 2288 cmd.exe 92 PID 2288 wrote to memory of 680 2288 cmd.exe 92 PID 552 wrote to memory of 3436 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 93 PID 552 wrote to memory of 3436 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 93 PID 552 wrote to memory of 3436 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 93 PID 552 wrote to memory of 2944 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 95 PID 552 wrote to memory of 2944 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 95 PID 552 wrote to memory of 2944 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 95 PID 552 wrote to memory of 4904 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 97 PID 552 wrote to memory of 4904 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 97 PID 552 wrote to memory of 4904 552 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 97 PID 4904 wrote to memory of 1188 4904 csrss.exe 98 PID 4904 wrote to memory of 1188 4904 csrss.exe 98 PID 4904 wrote to memory of 1188 4904 csrss.exe 98 PID 4904 wrote to memory of 128 4904 csrss.exe 104 PID 4904 wrote to memory of 128 4904 csrss.exe 104 PID 4904 wrote to memory of 128 4904 csrss.exe 104 PID 4904 wrote to memory of 564 4904 csrss.exe 106 PID 4904 wrote to memory of 564 4904 csrss.exe 106 PID 4904 wrote to memory of 564 4904 csrss.exe 106 PID 4904 wrote to memory of 1296 4904 csrss.exe 108 PID 4904 wrote to memory of 1296 4904 csrss.exe 108 PID 2212 wrote to memory of 2356 2212 windefender.exe 114 PID 2212 wrote to memory of 2356 2212 windefender.exe 114 PID 2212 wrote to memory of 2356 2212 windefender.exe 114 PID 2356 wrote to memory of 4412 2356 cmd.exe 115 PID 2356 wrote to memory of 4412 2356 cmd.exe 115 PID 2356 wrote to memory of 4412 2356 cmd.exe 115 -
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\8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe"C:\Users\Admin\AppData\Local\Temp\8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Users\Admin\AppData\Local\Temp\8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe"C:\Users\Admin\AppData\Local\Temp\8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.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:552 -
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:2972
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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:2288 -
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:680
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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:3436
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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:2944
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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:4904 -
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:1188
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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:1832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2080
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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:128
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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:564
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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:1296
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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:4620
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212 -
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:2356 -
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:4412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:780
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
MD5e40bb9b20c73cd98cb273862f91ceb53
SHA1015d964d36092f7c74faa0a1302cfba691755d72
SHA25652f19a051dc121e9281375f2a15535e852521d355d204e5ea104468306e3cea3
SHA512eee58a77bd29d95091aab9d666a24c9728ad5f28ea122020b1d881c89cd341a3883ac76a40a70c7a6dcdb13e9cc1645afe4e539e72537491bb0164fe88483cb5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa493f2b48277ced31bda489bf1aac54
SHA15046204fdc6d84cc934493e7bb8281f9dc6ea510
SHA25606e8ff3091d953014e03cea5684ffd7bbd3ea37748cbbb4e76093b3821bc74b2
SHA51224eda8b2b5d2bcd71e30bbdbc99746adb5824623f76845903c1fd2b9792a4e866d7d4566f796081a1be561cfeeda003f8ecc759695e41b1a3e91c7db7c2e266a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c872322cab79f7a9e5779900ab54942
SHA1796bf84c96db6d6760debb98d92d18457780c335
SHA2560d402598f95cbfd57c53b42762cc82caeed82be38885375ce99dfed0804c90b2
SHA512d826632b9f2e751811b34b037f0e402a43e065af6473acefdccc0297cfcd31ab1fb05be358db71a11d78b6b1175dd4f47fd448fa119a0a19e99098ee54b29c44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fab860bc569e394b39421f0356adf32
SHA1a98a986a23597928384c1b2aecacb392ce1cb6b3
SHA256096eb88fe67b097f66e3507829cb5f444c43ddd2d2801192b366592e3ab381cd
SHA512e06d0c3dec6dea406ec7358cee7c1598f0e05ce1fff60309daf1c03398eff7d209027f5b8e5f8160bb697f559f7bf9639212e14ab5221a6d7cd64159fbb0378f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3a0dee21579e1fefd5b64ceb0405d6a
SHA179a7eef6fbe32ab5cedbb974fb0a962906cd8865
SHA2561ecf8ba7357bae25af66849c9f55b2fa36d8cc6163b768cdc2f94643dc2acaa4
SHA512b05d01a9a8d83fb0700901c5b87b65f8874293e8eea7a3f857a0066fbc21307b219b26a2d4da947bed0326ddb0e117722668e4dd972637d3f4e8a4056bce1891
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Filesize
4.1MB
MD5597885933d99940939f031724e2d5000
SHA1157aa1d0d301f6db6651b14b8543208fea0caf5d
SHA2568abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119
SHA5120ddd0cf3791e4d9d9ebc7ef8409015b727f46230e7c4b80c4129475db85646014af9865f045182636d77429014d665dfb405beee8f5f99dcf667b7c0199aade7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec