Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 05:29
Static task
static1
Behavioral task
behavioral1
Sample
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
Resource
win7-20240220-en
General
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Target
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
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Size
4.1MB
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MD5
4c13a7b9fa15748f918c7ebc8692feb7
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SHA1
a83a2575e3a1a16266e9ce27832a1850347aeb74
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SHA256
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
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SHA512
bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11
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SSDEEP
98304:lH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2b:lH+PiSfw6Rz4ejOEAZ44S5J5ww2b
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/748-2-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral2/memory/748-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/748-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/748-57-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral2/memory/748-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1404-129-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1404-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/780-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1360 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 780 csrss.exe 2432 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 File created 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe File opened for modification C:\Windows\rss b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
pid Process 4508 powershell.exe 2028 powershell.exe 4152 powershell.exe 1384 powershell.exe 4044 powershell.exe 2268 powershell.exe 3504 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4272 748 WerFault.exe 82 632 1404 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3588 schtasks.exe 2580 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2268 powershell.exe 2268 powershell.exe 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 3504 powershell.exe 3504 powershell.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 4508 powershell.exe 4508 powershell.exe 2028 powershell.exe 2028 powershell.exe 4152 powershell.exe 4152 powershell.exe 1384 powershell.exe 1384 powershell.exe 4044 powershell.exe 4044 powershell.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 780 csrss.exe 780 csrss.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 780 csrss.exe 780 csrss.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeImpersonatePrivilege 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeDebugPrivilege 3504 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeSystemEnvironmentPrivilege 780 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 748 wrote to memory of 2268 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 748 wrote to memory of 2268 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 748 wrote to memory of 2268 748 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 1404 wrote to memory of 3504 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 96 PID 1404 wrote to memory of 3504 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 96 PID 1404 wrote to memory of 3504 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 96 PID 1404 wrote to memory of 4868 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 102 PID 1404 wrote to memory of 4868 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 102 PID 4868 wrote to memory of 1360 4868 cmd.exe 104 PID 4868 wrote to memory of 1360 4868 cmd.exe 104 PID 1404 wrote to memory of 4508 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 105 PID 1404 wrote to memory of 4508 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 105 PID 1404 wrote to memory of 4508 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 105 PID 1404 wrote to memory of 2028 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 108 PID 1404 wrote to memory of 2028 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 108 PID 1404 wrote to memory of 2028 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 108 PID 1404 wrote to memory of 780 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 1404 wrote to memory of 780 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 1404 wrote to memory of 780 1404 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 780 wrote to memory of 4152 780 csrss.exe 114 PID 780 wrote to memory of 4152 780 csrss.exe 114 PID 780 wrote to memory of 4152 780 csrss.exe 114 PID 780 wrote to memory of 1384 780 csrss.exe 120 PID 780 wrote to memory of 1384 780 csrss.exe 120 PID 780 wrote to memory of 1384 780 csrss.exe 120 PID 780 wrote to memory of 4044 780 csrss.exe 122 PID 780 wrote to memory of 4044 780 csrss.exe 122 PID 780 wrote to memory of 4044 780 csrss.exe 122 PID 780 wrote to memory of 2432 780 csrss.exe 125 PID 780 wrote to memory of 2432 780 csrss.exe 125 -
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\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2268
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C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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:1404 -
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:3504
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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:4868 -
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:1360
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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:4508
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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:2028
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780 -
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:4152
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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:2580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3348
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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:1384
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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:4044
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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:2432
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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:3588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 7363⤵
- Program crash
PID:632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 9002⤵
- Program crash
PID:4272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 748 -ip 7481⤵PID:780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1404 -ip 14041⤵PID:5036
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
MD54aa90425972cdf2a3d71c4a9b9593f8d
SHA10961ad3695a2f854164bf9af3d41797ddc755b26
SHA256d2c9f41b61afbf4db2304056563ad1601b3e86c08bc82794d3f2e605f6ae8874
SHA512abd0f5624e1d7b3ab515400ea25738aa5cdd81bb301ed072dbc500af4160c6e5ad5908f6d785a434a9776d974c70725b47c6ea6ceaf3ccc831c69f250bac9fa4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e11dd4a9cfd286525665e3560159723a
SHA10f5c091e8305286739a51a09940cdb379d873b73
SHA256a68f03c9d8f7c12fe04959d911ac879e0fa13a2667070e3ff8259750b0e4871d
SHA512db56e068b90ebdd4c0ff7b42804926bf575249d5a6398940cc00f0d22d1d0eb113a9991d58a093a6398ba83e315af8cff427ec83bcada944fa960700e14c30d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f96598cd3687ec485f9510c252b0b127
SHA15552db535dfdd02e387462a04c08c1ef562709d9
SHA2564103f3c263964488bf71c7e07df994469388953289ea0f30fa40b12b2918fe3b
SHA5127db028231f0cab6de3e03e0e177f7800449ba2e6604b71140bcf5cfee1010c16e2c8a313eee117b306a2d3b95670cf2cf0ade59c2d5d8dd82bc7f7bafe478dcb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546558790c529962121d9174ec2c3564c
SHA1a5095c8a6e7874f61625d93125e45c12f18f1649
SHA2565db6263825b61b0c1a6da669489617ee01f9bb1cf9229f87be8f7dc471a180ce
SHA51250abcb25b38be8d3868ff29ca6103b5f3e7a4e61f7e5e061abb8ca1e8ba881ebe797302add4b98b3ddaa2e78790f730cc004967bcf0739ba97da5e91a6cc0e43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a9f44812f24d8a474bd221f6a4a4c75
SHA1a8909ac2be47c56fbfb69579712134d3f672a802
SHA256c104bcfabb10a0ab73af49b93778b28381b344fb137b55b701b5fdc858c574e9
SHA512512d5a35a4f7f2b79d5844cb3974c726e4763f80ffd8bce284011bc4b206b3a44f3fc55479500c8b16fe5d87c871041dc4776d59e53d020c20c3f36cbb187722
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Filesize
4.1MB
MD54c13a7b9fa15748f918c7ebc8692feb7
SHA1a83a2575e3a1a16266e9ce27832a1850347aeb74
SHA256b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
SHA512bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11