Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe
Resource
win10v2004-20240508-en
General
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Target
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe
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Size
4.1MB
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MD5
d1b7976dbde84ae067c478c0c1842208
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SHA1
36e5deacdb886e26b42701efac512a4419c8b908
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SHA256
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157
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SHA512
166d5fb00327c1586fbafd563bb0c851a30d05f0dba10bfb0236789f59a39feeba6b696b0a66f1a830a3ec1305a2071fa40a40644cd3d5a2f296b97936087c10
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SSDEEP
98304:shY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiah:yYlRLXY4O+pXvrLaqWucU
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/3168-2-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/3168-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3168-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3168-58-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/3168-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3168-70-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1144-69-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1144-133-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1144-141-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-164-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-252-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-255-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-260-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-264-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4252 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3952 csrss.exe 3900 injector.exe 3280 windefender.exe 3676 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3280-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3280-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.execsrss.exedescription 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\"" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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:
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exebf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe File created C:\Windows\rss\csrss.exe bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe File created 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 4488 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1156 powershell.exe 1652 powershell.exe 4880 powershell.exe 2596 powershell.exe 5096 powershell.exe 4768 powershell.exe 2204 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 4388 schtasks.exe 3460 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.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\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-151 = "Central America Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight 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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.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\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exepowershell.exebf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2204 powershell.exe 2204 powershell.exe 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1156 powershell.exe 1156 powershell.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe 1652 powershell.exe 1652 powershell.exe 4880 powershell.exe 4880 powershell.exe 2596 powershell.exe 2596 powershell.exe 5096 powershell.exe 5096 powershell.exe 4768 powershell.exe 4768 powershell.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3952 csrss.exe 3952 csrss.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3952 csrss.exe 3952 csrss.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3952 csrss.exe 3952 csrss.exe 3900 injector.exe 3900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2204 powershell.exe Token: SeDebugPrivilege 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Token: SeImpersonatePrivilege 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeSystemEnvironmentPrivilege 3952 csrss.exe Token: SeSecurityPrivilege 4488 sc.exe Token: SeSecurityPrivilege 4488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exebf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3168 wrote to memory of 2204 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 3168 wrote to memory of 2204 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 3168 wrote to memory of 2204 3168 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 1156 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 1156 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 1156 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 2292 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe cmd.exe PID 1144 wrote to memory of 2292 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe cmd.exe PID 2292 wrote to memory of 4252 2292 cmd.exe netsh.exe PID 2292 wrote to memory of 4252 2292 cmd.exe netsh.exe PID 1144 wrote to memory of 1652 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 1652 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 1652 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 4880 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 4880 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 4880 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe powershell.exe PID 1144 wrote to memory of 3952 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe csrss.exe PID 1144 wrote to memory of 3952 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe csrss.exe PID 1144 wrote to memory of 3952 1144 bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe csrss.exe PID 3952 wrote to memory of 2596 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 2596 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 2596 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 5096 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 5096 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 5096 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 4768 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 4768 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 4768 3952 csrss.exe powershell.exe PID 3952 wrote to memory of 3900 3952 csrss.exe injector.exe PID 3952 wrote to memory of 3900 3952 csrss.exe injector.exe PID 3280 wrote to memory of 1500 3280 windefender.exe cmd.exe PID 3280 wrote to memory of 1500 3280 windefender.exe cmd.exe PID 3280 wrote to memory of 1500 3280 windefender.exe cmd.exe PID 1500 wrote to memory of 4488 1500 cmd.exe sc.exe PID 1500 wrote to memory of 4488 1500 cmd.exe sc.exe PID 1500 wrote to memory of 4488 1500 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\bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe"C:\Users\Admin\AppData\Local\Temp\bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.exe"C:\Users\Admin\AppData\Local\Temp\bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157.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:1144 -
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:1156 -
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:2292 -
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:4252 -
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:1652 -
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:4880 -
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:3952 -
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:2596 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4388 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2156
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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:5096 -
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:4768 -
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:3900 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3460 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3280 -
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:1500 -
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:4488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3676
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
MD5777018c1a27ba9ea6839bf82966e8e93
SHA11e892c8629512bf94faf936150160cac37b01f58
SHA256d53b9dfd6b7d30c4ecdcb99b19fe9f4953ecef0327e87c7ae642117a08873b17
SHA5122c06379506b56c44c780b1f5c6b87f016cddc12ed6581222e4229248fe124f45280bc93b8cb2415a37b15e0a7d404a8cf5ea3ca7d754bdb953c09655d3737c1a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b850ead39075cc48590082dc6c743464
SHA1ca50fd81f340b3f61ec19094e270b13cebda2305
SHA256fda8f7113e332b6b936af8e55b52ad5a68417aa66645820991d1524c07a1af6e
SHA512236e9d55594ce3366ed722e179c81fc54cc6c70fdafdf7fd8633da15bf38c4e94fa05f9b1a9a783354ba37a4811541a56dfc88bceabcf09b3f007fc10859e858
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522a1468938e4b99b7b81fadf1ddca91f
SHA1039c2a65114c5ea7232d2ed3d1f6e9e7f2da2d45
SHA256262f65c6b63b555e9bdf4fb9f6d3f1caf8e4c6a9282fe65f4f8714ea621b1ffe
SHA51262ef3ceeb2c263bfd93d32c70dcd6770db2601af58e3ed525306f210f27d7799712dac23edd1129972fa401abd9d0225d02c1b7c0a26052f6b8780918a4a6b0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539818d273a243883afbc19da3661ce82
SHA13f8ef4c6d312be53e54b1c5994a6f9508460e00a
SHA2567b95e5990e78e108d8428fde0ea42383c22cef49a444fa86c3e21c5c7ce56df2
SHA5121ff9b33c07c8e712c4fc6f2a6858d7495df7e9d69c62537165c2599874faaec563bbf49f0cc0e8ac5f9b9799d511011ebc62db4398df963e5c52e279e19dd41f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5425c613f3c9272cb9e467a6a9f91e34c
SHA1ff5ab09d540b4127082175561a3277966684e3a1
SHA256c86bc825aeafd366f79c1bd14d13d8619e552690908b87b448963fcabb04de95
SHA51227c3b6df81e45ab74cba2756511a83fb62eee4171d6b164b3e8b649a6442cb7edb25c0ec3905ac52a8acecc58a7e8f26dec4aa1d80befdf1b458e652f5bad5da
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Filesize
4.1MB
MD5d1b7976dbde84ae067c478c0c1842208
SHA136e5deacdb886e26b42701efac512a4419c8b908
SHA256bf222403825552c77826570cc73f47a1214ee301d9fe3ade8c94657810d3f157
SHA512166d5fb00327c1586fbafd563bb0c851a30d05f0dba10bfb0236789f59a39feeba6b696b0a66f1a830a3ec1305a2071fa40a40644cd3d5a2f296b97936087c10
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec