Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:07
Static task
static1
Behavioral task
behavioral1
Sample
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe
Resource
win10v2004-20240508-en
General
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Target
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe
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Size
4.1MB
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MD5
18c0f2c32548e13a4e17828be516cec7
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SHA1
134111afcd19cf832997beb1e5aceafcf1ae23d7
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SHA256
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19
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SHA512
cbef2305415c14a759f8f3caab7c0b7a75740d37199e311006a9e86afa5f904b7006be4bb0687c10a5dcece790f71006b053a85bc3849691960e7b809d983738
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SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLj:jIU7SlV8K2X2AhEHFgekcM
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2312-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/2312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2312-4-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2312-58-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/2312-55-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2312-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3492-82-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3492-135-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-163-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-221-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-244-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3652-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2068 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3652 csrss.exe 5080 injector.exe 4948 windefender.exe 3752 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4948-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4948-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3752-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3752-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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 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:
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe -
Drops file in Windows directory 4 IoCs
Processes:
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.execsrss.exedescription ioc process File opened for modification C:\Windows\rss bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe File created C:\Windows\rss\csrss.exe bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.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 1224 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4728 powershell.exe 4624 powershell.exe 5116 powershell.exe 4116 powershell.exe 2184 powershell.exe 5044 powershell.exe 2008 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 2316 schtasks.exe 2500 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exewindefender.exepowershell.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,-392 = "Arab Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.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" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.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,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight 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\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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 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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exepowershell.exebcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5044 powershell.exe 5044 powershell.exe 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 2008 powershell.exe 2008 powershell.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe 4728 powershell.exe 4728 powershell.exe 4624 powershell.exe 4624 powershell.exe 5116 powershell.exe 5116 powershell.exe 4116 powershell.exe 4116 powershell.exe 2184 powershell.exe 2184 powershell.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 3652 csrss.exe 3652 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 3652 csrss.exe 3652 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 3652 csrss.exe 3652 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Token: SeImpersonatePrivilege 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeSystemEnvironmentPrivilege 3652 csrss.exe Token: SeSecurityPrivilege 1224 sc.exe Token: SeSecurityPrivilege 1224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exebcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2312 wrote to memory of 5044 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 2312 wrote to memory of 5044 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 2312 wrote to memory of 5044 2312 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 2008 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 2008 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 2008 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4336 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe cmd.exe PID 3492 wrote to memory of 4336 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe cmd.exe PID 4336 wrote to memory of 2068 4336 cmd.exe netsh.exe PID 4336 wrote to memory of 2068 4336 cmd.exe netsh.exe PID 3492 wrote to memory of 4728 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4728 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4728 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4624 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4624 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 4624 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe powershell.exe PID 3492 wrote to memory of 3652 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe csrss.exe PID 3492 wrote to memory of 3652 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe csrss.exe PID 3492 wrote to memory of 3652 3492 bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe csrss.exe PID 3652 wrote to memory of 5116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 5116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 5116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 4116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 4116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 4116 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 2184 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 2184 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 2184 3652 csrss.exe powershell.exe PID 3652 wrote to memory of 5080 3652 csrss.exe injector.exe PID 3652 wrote to memory of 5080 3652 csrss.exe injector.exe PID 4948 wrote to memory of 1404 4948 windefender.exe cmd.exe PID 4948 wrote to memory of 1404 4948 windefender.exe cmd.exe PID 4948 wrote to memory of 1404 4948 windefender.exe cmd.exe PID 1404 wrote to memory of 1224 1404 cmd.exe sc.exe PID 1404 wrote to memory of 1224 1404 cmd.exe sc.exe PID 1404 wrote to memory of 1224 1404 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe"C:\Users\Admin\AppData\Local\Temp\bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044 -
C:\Users\Admin\AppData\Local\Temp\bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.exe"C:\Users\Admin\AppData\Local\Temp\bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19.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:3492 -
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:2008 -
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:4336 -
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:2068 -
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:4728 -
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:4624 -
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:3652 -
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:5116 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2316 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5028
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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:4116 -
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:2184 -
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:5080 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2500 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4948 -
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:1404 -
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:1224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3752
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
MD54fb02fe027085eef79455d7199c548f5
SHA10967f51d0d948b11c13947632f99b2d715517672
SHA256a7db7a2f6cd100934240eaaf1ffe73b6978e4436be682dfc492f8be8eff62170
SHA5129be12428d7e9b61f4b36ec73768dad19a1c698ba1e37925f522c0c0bc625d9e5957aa95b10da11783323d7f6d43f8a87f4493c8b72b7e6abf9f9839aa49ba997
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f07062fd257d35a81715865f721a5095
SHA17c227e423537bf12ae2b2339026019b7fdaf9702
SHA256e9dea73e751aba7960cc3c23a947486fd3619beaed48156108599d2d119082e6
SHA512b5b1a329655e9b80dc8929d748bcc23cf93debea530381716f7254bd831795524b9146e70d2898220408e677c08839df6b748a74339d77446c499f57b4a400bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542bdf4732e8632ab4e472d1e2881ffbc
SHA12db1cad4fbdaa1419f9230e7e8b7bf0ee31ade18
SHA256d587bf6038fc28f768ed4a2b7624356ded12118e5a96d3ec2b7108f0f59df22d
SHA5129490d80d6c16b98e4daa53a5a582a3299e19b0d59bd4148230d09b043a4f34329a5973d92dea6cb279a808eb32a0ac25ac171ac19f286152fe41a7403c906831
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a08e1090a00ceb2d1e543e989097598d
SHA172eade5b0cb049005c2fe9a5f3fad4ca60ac5110
SHA256d9d070e85046a318b9fad6990eff06a647d0f80d3005dd655cbddbe5f16d48a3
SHA512465b08329ac2a8af0e23f5a4df39fa48abeca65d4051fef638cb4ea214d15852bb1538bb69b7ed6fec49f400b007dc06df592d4f9770afcc6d5b99cf3217f6de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59caed03023e1c7f9e91743c36f172ae3
SHA1fddc2acd28f077e5a3fc4196130b8f5d88c0a6e4
SHA256986d0a7bee476c8bf88735b2c09ff121e3f9a03dad961b03364029748b06bb2f
SHA5125b8823a8fb319ec9b1498d4ac99e0054b4dc2e069af8295731ce004f86058861e20672e7c34bd2f674bc4096e5ed2165ea1468e2bcac9ae307cbbde283e5b6d0
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Filesize
4.1MB
MD518c0f2c32548e13a4e17828be516cec7
SHA1134111afcd19cf832997beb1e5aceafcf1ae23d7
SHA256bcf60610432d21ff4db8159dcc311d612f7e9e94fead7a6ed4b3bf6c7cda9e19
SHA512cbef2305415c14a759f8f3caab7c0b7a75740d37199e311006a9e86afa5f904b7006be4bb0687c10a5dcece790f71006b053a85bc3849691960e7b809d983738
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec