Analysis
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max time kernel
149s -
max time network
125s -
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 04:50
Static task
static1
Behavioral task
behavioral1
Sample
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe
Resource
win11-20240426-en
General
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Target
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe
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Size
4.1MB
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MD5
8b106de01654dfa3d29fd18f28731aac
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SHA1
1f04ddc95a0745ecd5ee60ff775ec806c39bc387
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SHA256
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1
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SHA512
2d58878a93ea75785b364a08c9ff559a0378c4fa1aaeaf4b8ef4eb3cbe1569448bc108347ce4b90a8afca972afdfe3e59aa6b23034b9855be839762f8ed04033
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SSDEEP
98304:mNO3yy04ogde7ep0A2AdPyQGNgd0+V4CCH3iZ/qkVniougG1v:AOA8mA0A2AFyQ3d0+aD4qkVni5v
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/224-2-0x0000000004B90000-0x000000000547B000-memory.dmp family_glupteba behavioral1/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/224-27-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/224-57-0x0000000004B90000-0x000000000547B000-memory.dmp family_glupteba behavioral1/memory/224-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/224-58-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1596-70-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1596-137-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-162-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-229-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-247-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4924-253-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4216 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4924 csrss.exe 1200 injector.exe 1808 windefender.exe 4028 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1808-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1808-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4028-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4028-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.execc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.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 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 -
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:
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe -
Drops file in Windows directory 4 IoCs
Processes:
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 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 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2644 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1588 powershell.exe 2892 powershell.exe 4572 powershell.exe 3788 powershell.exe 2212 powershell.exe 472 powershell.exe 4328 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 3944 schtasks.exe 4456 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exepowershell.exepowershell.exewindefender.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,-1862 = "Russia TZ 6 Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville 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,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exepowershell.execc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2212 powershell.exe 2212 powershell.exe 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 472 powershell.exe 472 powershell.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe 4328 powershell.exe 4328 powershell.exe 1588 powershell.exe 1588 powershell.exe 2892 powershell.exe 2892 powershell.exe 4572 powershell.exe 4572 powershell.exe 3788 powershell.exe 3788 powershell.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 4924 csrss.exe 4924 csrss.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 4924 csrss.exe 4924 csrss.exe 1200 injector.exe 1200 injector.exe 4924 csrss.exe 4924 csrss.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Token: SeImpersonatePrivilege 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe Token: SeDebugPrivilege 472 powershell.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeSystemEnvironmentPrivilege 4924 csrss.exe Token: SeSecurityPrivilege 2644 sc.exe Token: SeSecurityPrivilege 2644 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.execc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 224 wrote to memory of 2212 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 224 wrote to memory of 2212 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 224 wrote to memory of 2212 224 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 472 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 472 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 472 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 1692 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe cmd.exe PID 1596 wrote to memory of 1692 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe cmd.exe PID 1692 wrote to memory of 4216 1692 cmd.exe netsh.exe PID 1692 wrote to memory of 4216 1692 cmd.exe netsh.exe PID 1596 wrote to memory of 4328 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 4328 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 4328 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 1588 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 1588 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 1588 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe powershell.exe PID 1596 wrote to memory of 4924 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe csrss.exe PID 1596 wrote to memory of 4924 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe csrss.exe PID 1596 wrote to memory of 4924 1596 cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe csrss.exe PID 4924 wrote to memory of 2892 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 2892 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 2892 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 4572 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 4572 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 4572 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 3788 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 3788 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 3788 4924 csrss.exe powershell.exe PID 4924 wrote to memory of 1200 4924 csrss.exe injector.exe PID 4924 wrote to memory of 1200 4924 csrss.exe injector.exe PID 1808 wrote to memory of 2300 1808 windefender.exe cmd.exe PID 1808 wrote to memory of 2300 1808 windefender.exe cmd.exe PID 1808 wrote to memory of 2300 1808 windefender.exe cmd.exe PID 2300 wrote to memory of 2644 2300 cmd.exe sc.exe PID 2300 wrote to memory of 2644 2300 cmd.exe sc.exe PID 2300 wrote to memory of 2644 2300 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\cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe"C:\Users\Admin\AppData\Local\Temp\cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.exe"C:\Users\Admin\AppData\Local\Temp\cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1.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:1596 -
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:472 -
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:1692 -
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:4216 -
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:4328 -
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:1588 -
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:4924 -
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:2892 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3944 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1124
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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:4572 -
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:3788 -
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:1200 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4456 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1808 -
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:2300 -
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:2644
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4028
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebd6063afb9328c4994efcf96d25d72a
SHA19dcbe466cf4a47dcb5b5845ce46b746c876ceedd
SHA25685f11046bbd092129ae8e7c6e04fa79313b1a969579817c7dee4e7911f239491
SHA5126660e2814ebfb5f3c43644f8d42d0701353b1ebbb9ebbff0d89600dec66b48846c5c77009049b7b29b8d7da027b93a114cfad6a1715d76708bb71945c589904a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ee877725a26c6d4c26fbffd597c66b1
SHA1e3094b8c230c5ad7240a077de4b7601488e37d40
SHA2563fd67efc0fc6bc8995ad0e531f50df6a0f84891336bed92aa0f5aad1ffb49b2e
SHA512e1ad42dffd40881b3cff32a0994d85c59efdceb3f9f6e4633bde6ae73b3f705344be8bf47f59f43da70b435498df70f58a6fa47632b5da0ccd04f2eff1f73b8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c5f306a5ee7a57b5d1de863fc36f43a
SHA1356cbc0c3619c719e55cab6afe24f8e3a115bd35
SHA256cc5b67367d486686d18e5074b165a22ab34b827747a778756c5b1a9d6b271d85
SHA5124f1a5e85933284f301ca264bfc3b1222ba58bc58560d95fa8f0a6d3046af6802bd630ffdccc6950f46fc7a0c8ab6b31308f931538d7dc552b266b76261410ca5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b84acd23b7ad447b0c4e8f0fa88423f0
SHA1e783dea8fcc1590f0fef2fb39bc1d9f183b8c682
SHA25648965fdc2bbd2456fdbec88140fa33df4de3557520c6630a4e1739e73c882f44
SHA512df43539b90ff818b04b0f0108974ce6030947ec3a1882bd01f85a67fce83cff5a4319f4afbec7c3f90fc08614796888c813e57b580224f74c27483d33dafaec1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54922ec7caff3c7f21d25a472c08267bd
SHA138433b87608619b1a7197fcc39f8a61a7159ede1
SHA256207ab9d6e1aabf00f27af48fe8ef49565e7ee6f06233d1cfd310f00df7a5b6f3
SHA51233599a2a98b77154f3a35a34917a8fe64aac98217c19fb97a1dc95582dbe70a522e68a35035c47696dd2ac2bd23c645e3f1f8ab05544deced577bafb82ffbd67
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Filesize
4.1MB
MD58b106de01654dfa3d29fd18f28731aac
SHA11f04ddc95a0745ecd5ee60ff775ec806c39bc387
SHA256cc69f6994da15b826325d7981144ca637f5e07263ff6a5c4fabec7056599bda1
SHA5122d58878a93ea75785b364a08c9ff559a0378c4fa1aaeaf4b8ef4eb3cbe1569448bc108347ce4b90a8afca972afdfe3e59aa6b23034b9855be839762f8ed04033
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec