Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 20:47
Static task
static1
Behavioral task
behavioral1
Sample
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe
Resource
win10v2004-20240412-en
General
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Target
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe
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Size
4.2MB
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MD5
8d4795c6f2917391103e1343c36f34eb
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SHA1
a801c3ca46f98ea8c7ef32ac6b149f118204dc4d
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SHA256
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295
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SHA512
182019d661b08d3649f2100a0eac2fa5f3064d111d8e3a32c00bd8d8dc14931a0f2d1d8bcf6245410a283f6eb9e789dcccd2e1eb4982650c0c3b3cf8a932fc55
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SSDEEP
98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lze:ZFYkS+E0uawLNQ+/9Bo7/O
Malware Config
Signatures
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Glupteba payload 21 IoCs
Processes:
resource yara_rule behavioral2/memory/840-2-0x0000000004070000-0x000000000495B000-memory.dmp family_glupteba behavioral2/memory/840-3-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/3004-43-0x0000000004010000-0x00000000048FB000-memory.dmp family_glupteba behavioral2/memory/3004-44-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/840-70-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/3004-133-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/3004-139-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-143-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-234-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-243-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-245-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-248-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-251-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-254-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-258-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-261-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-263-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-266-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-269-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-272-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral2/memory/4624-276-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2872 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4624 csrss.exe 2824 injector.exe 920 windefender.exe 1704 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/920-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\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:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe -
Drops file in Windows directory 4 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execsrss.exedescription ioc process File opened for modification C:\Windows\rss cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe File created C:\Windows\rss\csrss.exe cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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 912 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3944 4224 WerFault.exe 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 3144 schtasks.exe 3576 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4224 powershell.exe 4224 powershell.exe 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3452 powershell.exe 3452 powershell.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3344 powershell.exe 3344 powershell.exe 1860 powershell.exe 1860 powershell.exe 1416 powershell.exe 1416 powershell.exe 1516 powershell.exe 1516 powershell.exe 2028 powershell.exe 2028 powershell.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 4624 csrss.exe 4624 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 4624 csrss.exe 4624 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 4624 csrss.exe 4624 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Token: SeImpersonatePrivilege 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 1416 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeSystemEnvironmentPrivilege 4624 csrss.exe Token: SeSecurityPrivilege 912 sc.exe Token: SeSecurityPrivilege 912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 840 wrote to memory of 4224 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 840 wrote to memory of 4224 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 840 wrote to memory of 4224 840 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 3452 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 3452 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 3452 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 924 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe cmd.exe PID 3004 wrote to memory of 924 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe cmd.exe PID 924 wrote to memory of 2872 924 cmd.exe netsh.exe PID 924 wrote to memory of 2872 924 cmd.exe netsh.exe PID 3004 wrote to memory of 3344 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 3344 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 3344 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 1860 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 1860 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 1860 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 3004 wrote to memory of 4624 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 3004 wrote to memory of 4624 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 3004 wrote to memory of 4624 3004 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 4624 wrote to memory of 1416 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 1416 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 1416 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 1516 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 1516 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 1516 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 2028 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 2028 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 2028 4624 csrss.exe powershell.exe PID 4624 wrote to memory of 2824 4624 csrss.exe injector.exe PID 4624 wrote to memory of 2824 4624 csrss.exe injector.exe PID 920 wrote to memory of 2872 920 windefender.exe cmd.exe PID 920 wrote to memory of 2872 920 windefender.exe cmd.exe PID 920 wrote to memory of 2872 920 windefender.exe cmd.exe PID 2872 wrote to memory of 912 2872 cmd.exe sc.exe PID 2872 wrote to memory of 912 2872 cmd.exe sc.exe PID 2872 wrote to memory of 912 2872 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\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 25283⤵
- Program crash
PID:3944
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C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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:3004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
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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:924 -
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:2872
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1860
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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:4624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416
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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:3144
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
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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:2824
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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:3576
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:920 -
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:2872 -
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:912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4224 -ip 42241⤵PID:1196
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1704
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0f903e004d1b5c56fe6bc11531e3ba8
SHA10b60c8419bfe9c3f2a99f1abddcfe0b72f6b396b
SHA2567cd7de65922e6eee23feedf15b73e345a60ed8bded3f07daa63612d535a45577
SHA51230901c69ee9204f50b644c17daa17c34360e3134c493a94fcdcf70243d4c242c63ed12998696a576e9776c81c16f37a3804b6dc4b9f4ef0a991b1f92f30d4830
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f34f2f257ee912636723856ab4e650f8
SHA11c6e6c558c5f29538fca4bc9f0f4954dedf51be7
SHA2569ad33c04b074ac27f7e46e491cb020c8553b8faf422581a2fef32edb8b2b44f3
SHA5126d857f710521e0e57b3cc5f11220636a19fb55aa96973cbba55365b1e26739c3d75fd077c891114496ea8bfe3ebefef1b3e67795ab11bfeaac1fe7eccc5655e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590cbf27e4c2fa620c89e13b8771f59fa
SHA12f5af0fee63fbde2de3248b25470a7d96be8ac82
SHA2565bc52cf3ef9a2c688c190eebf40fb99f1839d84253cfecff85f7d4f87f6e7928
SHA5123b30a7ecf9d04205d8d5a61d2612a8d85b144139d62173094c964889c919f0bb2b67fd52d29cf33c6c5caef60016b67f65e5a0e7e508d283fb44d039978f3b1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff5f953893f23ac1c824ecb977bab417
SHA1d4f596a973fed73a77dd775544ac136a76fe502a
SHA2561c071634667daedf05d22a0309081ad6f73e8233ed8f36ddaad405d40844e033
SHA512e169685a20f69812c4e37fef061a801e9217320d659e19a7f78c3eb1b6bed755f1799ef42d7c2651de9cfc0f05d83aa2df8d0a4eb5fddf9203fc409cc405c844
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1442a61df06bee0020a584925de9617
SHA1a59884c14a27fa0997ffa779e9bb0c9a6fdb5a5b
SHA256dabbcaca4d321605f8f29aa46a6afb59048c2339a26f9ddec66057577e1e0113
SHA512cdd4e585ff8ae25eb7ab9fae7f95dec5129c6573951322931ca909d6d96772d646db95670a8b214fe393dd0fd3f4d1d2b1a3ce83fef320e31f516df2bd67de58
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Filesize
4.2MB
MD58d4795c6f2917391103e1343c36f34eb
SHA1a801c3ca46f98ea8c7ef32ac6b149f118204dc4d
SHA256cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295
SHA512182019d661b08d3649f2100a0eac2fa5f3064d111d8e3a32c00bd8d8dc14931a0f2d1d8bcf6245410a283f6eb9e789dcccd2e1eb4982650c0c3b3cf8a932fc55
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec