Analysis
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max time kernel
145s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06-06-2023 14:14
Static task
static1
General
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Target
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe
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Size
4.2MB
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MD5
9132a875875f7e0f37afe0376c0a276d
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SHA1
43dc298e643fda93d98835e4a2f8a0b7b9828c1b
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SHA256
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868
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SHA512
e6050ef994f1df011f1fba481d525a264f9eb06f55166bddf2d07c1758869dd937e1428e79f34342dd27c85662f72732efcd5e9598fcb4b470fdf290fbba1d70
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SSDEEP
98304:iwPHzJGsSBKd2SXXNMk8lMY/ndSjzYudYViNA+e4n:i+TDj6tfAjsuTVee
Malware Config
Signatures
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Glupteba payload 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1440-134-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/1440-171-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/1440-203-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/1372-206-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/1372-260-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/1372-266-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-295-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-349-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-356-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-366-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-369-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-372-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-375-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-378-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-381-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/456-391-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 5 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exef801950a962ddba14caaa44bf084b55c.exepid process 456 csrss.exe 4828 injector.exe 1196 windefender.exe 1480 windefender.exe 824 f801950a962ddba14caaa44bf084b55c.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx C:\Windows\windefender.exe upx behavioral1/memory/1196-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx C:\Windows\windefender.exe upx behavioral1/memory/1196-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-365-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-377-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-383-0x0000000000400000-0x00000000008DF000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx behavioral1/memory/824-388-0x0000000000400000-0x0000000000C25000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx behavioral1/memory/1480-390-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/824-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/824-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe -
Drops file in Windows directory 4 IoCs
Processes:
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe File created C:\Windows\rss\csrss.exe 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.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 5036 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3612 1372 WerFault.exe 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.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 3548 schtasks.exe 1252 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exepowershell.exe1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4532 powershell.exe 4532 powershell.exe 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 2264 powershell.exe 2264 powershell.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe 4828 powershell.exe 4828 powershell.exe 2904 powershell.exe 2904 powershell.exe 3724 powershell.exe 3724 powershell.exe 4484 powershell.exe 4484 powershell.exe 1820 powershell.exe 1820 powershell.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 456 csrss.exe 456 csrss.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 456 csrss.exe 456 csrss.exe 4828 injector.exe 4828 injector.exe 456 csrss.exe 456 csrss.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Token: SeImpersonatePrivilege 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeSystemEnvironmentPrivilege 456 csrss.exe Token: SeSecurityPrivilege 5036 sc.exe Token: SeSecurityPrivilege 5036 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1440 wrote to memory of 4532 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1440 wrote to memory of 4532 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1440 wrote to memory of 4532 1440 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2264 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2264 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2264 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 3128 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe cmd.exe PID 1372 wrote to memory of 3128 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe cmd.exe PID 3128 wrote to memory of 4392 3128 cmd.exe netsh.exe PID 3128 wrote to memory of 4392 3128 cmd.exe netsh.exe PID 1372 wrote to memory of 4828 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 4828 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 4828 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2904 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2904 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 2904 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe powershell.exe PID 1372 wrote to memory of 456 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe csrss.exe PID 1372 wrote to memory of 456 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe csrss.exe PID 1372 wrote to memory of 456 1372 1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe csrss.exe PID 456 wrote to memory of 3724 456 csrss.exe powershell.exe PID 456 wrote to memory of 3724 456 csrss.exe powershell.exe PID 456 wrote to memory of 3724 456 csrss.exe powershell.exe PID 456 wrote to memory of 4484 456 csrss.exe powershell.exe PID 456 wrote to memory of 4484 456 csrss.exe powershell.exe PID 456 wrote to memory of 4484 456 csrss.exe powershell.exe PID 456 wrote to memory of 1820 456 csrss.exe powershell.exe PID 456 wrote to memory of 1820 456 csrss.exe powershell.exe PID 456 wrote to memory of 1820 456 csrss.exe powershell.exe PID 456 wrote to memory of 4828 456 csrss.exe injector.exe PID 456 wrote to memory of 4828 456 csrss.exe injector.exe PID 1196 wrote to memory of 964 1196 windefender.exe cmd.exe PID 1196 wrote to memory of 964 1196 windefender.exe cmd.exe PID 1196 wrote to memory of 964 1196 windefender.exe cmd.exe PID 964 wrote to memory of 5036 964 cmd.exe sc.exe PID 964 wrote to memory of 5036 964 cmd.exe sc.exe PID 964 wrote to memory of 5036 964 cmd.exe sc.exe PID 456 wrote to memory of 824 456 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 456 wrote to memory of 824 456 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 456 wrote to memory of 824 456 csrss.exe f801950a962ddba14caaa44bf084b55c.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\1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe"C:\Users\Admin\AppData\Local\Temp\1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Users\Admin\AppData\Local\Temp\1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.exe"C:\Users\Admin\AppData\Local\Temp\1f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868.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:1372 -
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:2264
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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:3128 -
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:4392
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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:4828
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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:2904
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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:456 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724
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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:3548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2140
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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:4484
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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:1820
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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:4828
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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:1252
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1196 -
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:964 -
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:5036
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:824 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 8203⤵
- Program crash
PID:3612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1372 -ip 13721⤵PID:4672
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5be5f08c7acfac19cf2355edc8678402e
SHA108a5a6f7decfff1867629e0928ff217fb8249747
SHA256a03afc3ba71d0e368b5cd96191b64c3ae9b340793934daf50ec20d708773b492
SHA512a9891f22ec91ad0bd940d8fd3833d47ddcd5ca2af11fb1a0ea198a915fb985171c7dcae5257228fc9286ed470b2f72e6dfd5f8654987b2bf1713ba75f1fc5859
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2f0aa1059c0c0a632baf60e9ba1969a
SHA1858a07300036beb6b36f484b0c8c6114e34c4c0b
SHA2563e96e3c8c289e6d045430daee29bb60510dc588da64d9edb1fb85c30121fda22
SHA5124b0c571874c33a28b3d0d850907506e646a614b75514ce783fd4e7a8892dd049979968923b9d7763d237f6ce0a79abd0c53778ef997b2fcc45ead0a2744a8440
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5049a9ba60681b069f93cf193eeba27e6
SHA13ee7d08dd728c5e0a0f0724c08b20960dbe66a96
SHA256b3604b4a97d74ea3d22450fa1a5815b4480dcac5f3a0cb81ecaf136ac73e1ae4
SHA512f6d4b02fa4cffb02ba59197e7fed4acfd78dfdbed2221fdc2949d38fde3b79a39848b709408026b01fe67c95ffadc5725652060a49b1808c27d85f182f0b1f2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aeaa2416f8449208f6b259134c29ee1
SHA17c1371935df5afb00d82cd0a68bc137af48adcd7
SHA25688d45e8f2ede42d76be1c5754e3aad6c120e4bd0c46ba3e7708c845e481ef142
SHA512166c6f983c9ef76e923d65ca8c687ed8f602ff223ee33c3a5795f0aa5a4ae72300488be87581b2e00519a568e7e4128bb2b7ba0e4aec84a58cff5dcead327ff5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec35e1238c4cc710ccc0c7768e4a7190
SHA11da28dcdb10c4a16f1e2aa5a87f14143d5db9aed
SHA256acd49cc811b1afd1e0b60df248d449495dde60c3011f34e87b91b2c696321286
SHA512a50db49111344cc0cad1600b5918877e7f5f1b09745e8c4258f9f48b532c254508620c6af2004b27acd5f93244564b9ea2dfab7b57f85e85ae0dea419e9098a1
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Filesize
4.2MB
MD59132a875875f7e0f37afe0376c0a276d
SHA143dc298e643fda93d98835e4a2f8a0b7b9828c1b
SHA2561f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868
SHA512e6050ef994f1df011f1fba481d525a264f9eb06f55166bddf2d07c1758869dd937e1428e79f34342dd27c85662f72732efcd5e9598fcb4b470fdf290fbba1d70
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Filesize
4.2MB
MD59132a875875f7e0f37afe0376c0a276d
SHA143dc298e643fda93d98835e4a2f8a0b7b9828c1b
SHA2561f4918f590e74fb1b84700ef8962fad2e98dcafa7f490103821013b119b85868
SHA512e6050ef994f1df011f1fba481d525a264f9eb06f55166bddf2d07c1758869dd937e1428e79f34342dd27c85662f72732efcd5e9598fcb4b470fdf290fbba1d70
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec