Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1528-2-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/1528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1528-128-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/1528-126-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/868-133-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1528-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3184-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-225-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-228-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-249-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-255-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3184-258-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2072 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3184 csrss.exe 1736 injector.exe 1612 windefender.exe 2392 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023449-218.dat upx behavioral1/memory/1612-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2392-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1612-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2392-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2392-232-0x0000000000400000-0x00000000008DF000-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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exedescription ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe File created C:\Windows\rss\csrss.exe 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4672 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1516 powershell.exe 400 powershell.exe 2012 powershell.exe 4428 powershell.exe 4152 powershell.exe 4748 powershell.exe 4064 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 4544 schtasks.exe 1516 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight 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,-2061 = "North Korea Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight 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\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.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,-2492 = "Aus Central W. Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-91 = "Pacific SA 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\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.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,-1872 = "Russia TZ 7 Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4152 powershell.exe 4152 powershell.exe 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 4748 powershell.exe 4748 powershell.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 4064 powershell.exe 4064 powershell.exe 1516 powershell.exe 1516 powershell.exe 400 powershell.exe 400 powershell.exe 2012 powershell.exe 2012 powershell.exe 4428 powershell.exe 4428 powershell.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 3184 csrss.exe 3184 csrss.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 3184 csrss.exe 3184 csrss.exe 1736 injector.exe 1736 injector.exe 3184 csrss.exe 3184 csrss.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Token: SeImpersonatePrivilege 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeSystemEnvironmentPrivilege 3184 csrss.exe Token: SeSecurityPrivilege 4672 sc.exe Token: SeSecurityPrivilege 4672 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1528 wrote to memory of 4152 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 85 PID 1528 wrote to memory of 4152 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 85 PID 1528 wrote to memory of 4152 1528 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 85 PID 868 wrote to memory of 4748 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 91 PID 868 wrote to memory of 4748 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 91 PID 868 wrote to memory of 4748 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 91 PID 868 wrote to memory of 100 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 96 PID 868 wrote to memory of 100 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 96 PID 100 wrote to memory of 2072 100 cmd.exe 98 PID 100 wrote to memory of 2072 100 cmd.exe 98 PID 868 wrote to memory of 4064 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 99 PID 868 wrote to memory of 4064 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 99 PID 868 wrote to memory of 4064 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 99 PID 868 wrote to memory of 1516 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 103 PID 868 wrote to memory of 1516 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 103 PID 868 wrote to memory of 1516 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 103 PID 868 wrote to memory of 3184 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 105 PID 868 wrote to memory of 3184 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 105 PID 868 wrote to memory of 3184 868 8abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119.exe 105 PID 3184 wrote to memory of 400 3184 csrss.exe 106 PID 3184 wrote to memory of 400 3184 csrss.exe 106 PID 3184 wrote to memory of 400 3184 csrss.exe 106 PID 3184 wrote to memory of 2012 3184 csrss.exe 112 PID 3184 wrote to memory of 2012 3184 csrss.exe 112 PID 3184 wrote to memory of 2012 3184 csrss.exe 112 PID 3184 wrote to memory of 4428 3184 csrss.exe 114 PID 3184 wrote to memory of 4428 3184 csrss.exe 114 PID 3184 wrote to memory of 4428 3184 csrss.exe 114 PID 3184 wrote to memory of 1736 3184 csrss.exe 116 PID 3184 wrote to memory of 1736 3184 csrss.exe 116 PID 1612 wrote to memory of 1912 1612 windefender.exe 122 PID 1612 wrote to memory of 1912 1612 windefender.exe 122 PID 1612 wrote to memory of 1912 1612 windefender.exe 122 PID 1912 wrote to memory of 4672 1912 cmd.exe 123 PID 1912 wrote to memory of 4672 1912 cmd.exe 123 PID 1912 wrote to memory of 4672 1912 cmd.exe 123 -
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:1528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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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:868 -
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:4748
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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:100 -
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:2072
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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:4064
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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:1516
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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:3184 -
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:400
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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:4544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2768
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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:2012
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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:4428
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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:1736
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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:1516
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1612 -
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:1912 -
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:4672
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2392
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
MD594c8949e76f1ebf2a9bf78efc51c395d
SHA1ee998ef9044aa76a53d8f5a460fdc619b53066b9
SHA25622f8b0fc7fa1cbe287646292ab089a26c5e61be7a4be7f0668d91a375ef34c1d
SHA512f3a5ea4cdfc201621de257dba9cc7b908af3221e58ba188fb0a5d0d2df8dc11f3e57c9db0894db0f5bcfed7288155866a6b5b7cad77ab2914dffb5c992b7d87c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b7f5413333df3a711fa35e16adb6321
SHA122f2456c725fd2d53a0d8aab4396668e9cbaac0f
SHA2565d1d3c34b93ec883f1a3e6405383e3a50224e34ab99689949c766c0071e5fd97
SHA5123b4fe3cc5d135555e80ee94957e0ebba43f57a8b29f91e19b5e7c78f1530a86a6f65e96307a5f1992b75c1f30cd67024bc909b32f39568e7acfa397dae02cbc7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56664dea7317827333b5c1c1236955a81
SHA1b1e2a4cac1362b936e1c15b4eb88b476ea37c05c
SHA25643b5d2e09b4f2a58a8c91a0f8e355cc7d6405e1cb1780c46373347611e80cabd
SHA512b7228ce73764cbb210681a962ce7146f07605b7efe262576c12e4f88027d2de4350e132f03886c38042c919a3ea0fb19171a4cc7ad6c67f19bd9bace32a351d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58098979ad5612b54d85d3457f87fdbce
SHA1d35759ccd33d88451e322e6ae8d2b32276976fce
SHA25683a616fb77cfb9463da79b56ba71130e45e555c5a6659861d6d06bbf359e8f81
SHA51274ae41b290b65fd4f8970b47ee1e512d9934b94b634b5f17a8f76a467257dac7528509f04e788f039213197000b28667afec4c79d06665d40c747b653ad02560
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53505fc4316d9a5e53a0c7198e3ae6e65
SHA118107d37240be955657d8241bf700989a48b991d
SHA256211cb88ae92d0e089d800f202aae7a25203d7ce202505e09d1378df02b1b9621
SHA5127ff7a51caaf742a952e9627fb558f730191185c287b4355381485f6fe8f7c546405f4b0debdbe769d93793f949d83eb834635d6f8b3ab20a639ce411a07c56ad
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Filesize
4.1MB
MD5597885933d99940939f031724e2d5000
SHA1157aa1d0d301f6db6651b14b8543208fea0caf5d
SHA2568abb518c80dd379fafe589f4c350e849b68903fef64aa7b4284ee016dd061119
SHA5120ddd0cf3791e4d9d9ebc7ef8409015b727f46230e7c4b80c4129475db85646014af9865f045182636d77429014d665dfb405beee8f5f99dcf667b7c0199aade7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec