Analysis
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max time kernel
149s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 11:24
Static task
static1
Behavioral task
behavioral1
Sample
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe
Resource
win10v2004-20240426-en
General
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Target
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe
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Size
4.1MB
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MD5
e8c4d9b1301f7ba82721955d2277730c
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SHA1
fc91009a851d78ed21a02ee15099b5d0843d2e8a
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SHA256
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9
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SHA512
e5e4c61d6fe4e43f93c4491b9db8a457f68318aa58f07756d15c9db9f02ebaaaca9480ae9ca480e4c6da1b2bb7808732e10f9357ac0d667bbea8b69bd451f0cd
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SSDEEP
98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3Ql:6xq6ggrt/os9O/WxuFhK+Al
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/868-2-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/868-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/868-54-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/868-80-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/868-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1172-109-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/1172-159-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-216-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-222-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-231-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-235-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-239-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-243-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-247-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-251-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-255-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-259-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-263-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4980-267-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4680 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4980 csrss.exe 4352 injector.exe 1576 windefender.exe 3608 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1576-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3608-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1576-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3608-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3608-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3608-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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\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.
Processes:
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe -
Drops file in Windows directory 4 IoCs
Processes:
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.execsrss.exedescription ioc process File opened for modification C:\Windows\rss cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe File created C:\Windows\rss\csrss.exe cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.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 3676 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1692 powershell.exe 3152 powershell.exe 5084 powershell.exe 1608 powershell.exe 2104 powershell.exe 440 powershell.exe 2316 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 4440 schtasks.exe 1376 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.execdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.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" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.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\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America 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" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exepowershell.execdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1692 powershell.exe 1692 powershell.exe 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 3152 powershell.exe 3152 powershell.exe 3152 powershell.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe 5084 powershell.exe 5084 powershell.exe 1608 powershell.exe 1608 powershell.exe 2104 powershell.exe 2104 powershell.exe 440 powershell.exe 440 powershell.exe 2316 powershell.exe 2316 powershell.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4980 csrss.exe 4980 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4980 csrss.exe 4980 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4980 csrss.exe 4980 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Token: SeImpersonatePrivilege 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeSystemEnvironmentPrivilege 4980 csrss.exe Token: SeSecurityPrivilege 3676 sc.exe Token: SeSecurityPrivilege 3676 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.execdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 868 wrote to memory of 1692 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 868 wrote to memory of 1692 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 868 wrote to memory of 1692 868 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 3152 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 3152 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 3152 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 2364 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe cmd.exe PID 1172 wrote to memory of 2364 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe cmd.exe PID 2364 wrote to memory of 4680 2364 cmd.exe netsh.exe PID 2364 wrote to memory of 4680 2364 cmd.exe netsh.exe PID 1172 wrote to memory of 5084 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 5084 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 5084 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 1608 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 1608 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 1608 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe powershell.exe PID 1172 wrote to memory of 4980 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe csrss.exe PID 1172 wrote to memory of 4980 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe csrss.exe PID 1172 wrote to memory of 4980 1172 cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe csrss.exe PID 4980 wrote to memory of 2104 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 2104 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 2104 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 440 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 440 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 440 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 2316 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 2316 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 2316 4980 csrss.exe powershell.exe PID 4980 wrote to memory of 4352 4980 csrss.exe injector.exe PID 4980 wrote to memory of 4352 4980 csrss.exe injector.exe PID 1576 wrote to memory of 4452 1576 windefender.exe cmd.exe PID 1576 wrote to memory of 4452 1576 windefender.exe cmd.exe PID 1576 wrote to memory of 4452 1576 windefender.exe cmd.exe PID 4452 wrote to memory of 3676 4452 cmd.exe sc.exe PID 4452 wrote to memory of 3676 4452 cmd.exe sc.exe PID 4452 wrote to memory of 3676 4452 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\cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe"C:\Users\Admin\AppData\Local\Temp\cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Users\Admin\AppData\Local\Temp\cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.exe"C:\Users\Admin\AppData\Local\Temp\cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9.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:1172 -
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:3152
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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:2364 -
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:4680
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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:5084
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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:1608
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980 -
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:2104
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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:4440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4844
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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:440
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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:2316
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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:4352
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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:1376
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1576 -
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:4452 -
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:3676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3608
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
MD5c984db5436e0b8bde590c03dcc9e6fa9
SHA1c01281d4f00693da0c284e496cb8d8403a7ef301
SHA25692f51118fd143ef7f57c2ab7c94dda2ffad5db62fa775ce7c7fe9a0c217cc55d
SHA512ce7dbc637effc8dec4dba69faba94dc072523dd5ebb3a09bf6a2989fc23e583d2aaa86e98c46aecc1696fd147854a9bf978bed4132afd9e304234c85e6f8a32f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53de34ed6caa297b7b959b23b6184b9d7
SHA1cdd1fed2c8b2d346c02bc85da0094182b6d9abf5
SHA2565fc2215877f5ae3204bb5c7267bf78a94634ae1a3498b6c58634bc7a4f710de2
SHA512eaff7fece82077bb97f692ebf2898c3a86e9d11d12af017eba40649e9e3edf2035503a19953aa7283ff8d3feaa76dbd109891de846ca47f36accc46e5ac68d34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0b93de88ae11f973490509351e25266
SHA137515e919d66fc804d9a84a22f7af16384f61612
SHA256af0f6985fb403ebe62c260f2638ac136d1fa23c308985949ef84a5b3a07694d5
SHA5120f9178c3a8c8634c7ebd46c585ad80b35862420d54dc77c2033cb211580f3a611c848a6f167184cf7ed603e9332fd42c0fd14a82ce3988f87fe9dbcc7d526b5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55010e8e815f2aac338ac0f967c655a6c
SHA1c96ce1f3618aff7ab32c750750c9a50359c3952d
SHA256c897ac3cf52c06154a4f3bed8672a526f62ab2c8db920fa8f9ed68b8db344d47
SHA51259d07fffa17bcd2c8d0bf3b439090945fd09ebc1cb067e5241f65570ee65b018026ad958e791497a1daba2be299f7fd9cc88e2c95e4a49536694b19aac9427f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cfa5228df39b3c2e44da8f5e07d1052d
SHA13b3d829229b49989684e6598e2ea7dd3b944a9e9
SHA2569c64ab45afac7bce16cd1aa4108a46b9d69017279383df585bfccc5bce96efa6
SHA51264473341181d2ea869a04aad7a9d29947f85f771607615b4ecbccc657cc367071d5914ccc5173702a57f05e546f415210a73dcb02d51cd41c119c2bea6e1ba24
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Filesize
4.1MB
MD5e8c4d9b1301f7ba82721955d2277730c
SHA1fc91009a851d78ed21a02ee15099b5d0843d2e8a
SHA256cdfc6bbabb503146ef55240795930c77718a002b2ecce7cbc4fb6946ee40b2f9
SHA512e5e4c61d6fe4e43f93c4491b9db8a457f68318aa58f07756d15c9db9f02ebaaaca9480ae9ca480e4c6da1b2bb7808732e10f9357ac0d667bbea8b69bd451f0cd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec