Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 17:50
Static task
static1
Behavioral task
behavioral1
Sample
579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe
Resource
win10v2004-20240412-en
General
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Target
579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe
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Size
4.2MB
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MD5
2e853f93f686838504b23085b24c9eda
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SHA1
62574fed0d34299cf6b35eb8c03a44ac74c0788b
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SHA256
579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24
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SHA512
1c0b9c8d55c65e1b9957e14032cbddedcbfb3bbecc119d451f08b6d386be44fe51abf709bed0de9f41620738676bfcbd4ed0baf5e253fdc480d3b93c5f008dbe
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SSDEEP
98304:lBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCq:eAu+ENnjVyYiVNw47
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3924-2-0x0000000004230000-0x0000000004B1B000-memory.dmp family_glupteba behavioral2/memory/3924-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1872-54-0x0000000003FF0000-0x00000000048DB000-memory.dmp family_glupteba behavioral2/memory/1872-55-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3924-67-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1872-117-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1872-126-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1872-190-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-237-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-252-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-259-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-263-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4032-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4032 csrss.exe 2092 injector.exe 1624 windefender.exe 1288 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d0-247.dat upx behavioral2/memory/1624-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1288-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1288-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4540 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5040 schtasks.exe 3500 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.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\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1652 powershell.exe 1652 powershell.exe 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 4416 powershell.exe 4416 powershell.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 780 powershell.exe 780 powershell.exe 3448 powershell.exe 3448 powershell.exe 1136 powershell.exe 1136 powershell.exe 3904 powershell.exe 3904 powershell.exe 972 powershell.exe 972 powershell.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 4032 csrss.exe 4032 csrss.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 4032 csrss.exe 4032 csrss.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 4032 csrss.exe 4032 csrss.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Token: SeImpersonatePrivilege 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeSystemEnvironmentPrivilege 4032 csrss.exe Token: SeSecurityPrivilege 4540 sc.exe Token: SeSecurityPrivilege 4540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3924 wrote to memory of 1652 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 79 PID 3924 wrote to memory of 1652 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 79 PID 3924 wrote to memory of 1652 3924 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 79 PID 1872 wrote to memory of 4416 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 84 PID 1872 wrote to memory of 4416 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 84 PID 1872 wrote to memory of 4416 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 84 PID 1872 wrote to memory of 916 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 86 PID 1872 wrote to memory of 916 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 86 PID 916 wrote to memory of 484 916 cmd.exe 88 PID 916 wrote to memory of 484 916 cmd.exe 88 PID 1872 wrote to memory of 780 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 89 PID 1872 wrote to memory of 780 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 89 PID 1872 wrote to memory of 780 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 89 PID 1872 wrote to memory of 3448 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 91 PID 1872 wrote to memory of 3448 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 91 PID 1872 wrote to memory of 3448 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 91 PID 1872 wrote to memory of 4032 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 93 PID 1872 wrote to memory of 4032 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 93 PID 1872 wrote to memory of 4032 1872 579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe 93 PID 4032 wrote to memory of 1136 4032 csrss.exe 94 PID 4032 wrote to memory of 1136 4032 csrss.exe 94 PID 4032 wrote to memory of 1136 4032 csrss.exe 94 PID 4032 wrote to memory of 3904 4032 csrss.exe 100 PID 4032 wrote to memory of 3904 4032 csrss.exe 100 PID 4032 wrote to memory of 3904 4032 csrss.exe 100 PID 4032 wrote to memory of 972 4032 csrss.exe 102 PID 4032 wrote to memory of 972 4032 csrss.exe 102 PID 4032 wrote to memory of 972 4032 csrss.exe 102 PID 4032 wrote to memory of 2092 4032 csrss.exe 104 PID 4032 wrote to memory of 2092 4032 csrss.exe 104 PID 1624 wrote to memory of 5104 1624 windefender.exe 110 PID 1624 wrote to memory of 5104 1624 windefender.exe 110 PID 1624 wrote to memory of 5104 1624 windefender.exe 110 PID 5104 wrote to memory of 4540 5104 cmd.exe 111 PID 5104 wrote to memory of 4540 5104 cmd.exe 111 PID 5104 wrote to memory of 4540 5104 cmd.exe 111 -
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\579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe"C:\Users\Admin\AppData\Local\Temp\579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Users\Admin\AppData\Local\Temp\579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.exe"C:\Users\Admin\AppData\Local\Temp\579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24.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:1872 -
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:4416
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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:916 -
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:484
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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:780
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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:3448
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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:4032 -
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:1136
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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:5040
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4604
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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:3904
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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:972
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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:2092
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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:3500
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1624 -
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:5104 -
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:4540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1288
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
MD58c2b19cd17ade5247101e2292e050652
SHA14c7852f802fe726189ed0d225aa6816a4956663a
SHA256efca851595e84e12dbc6eff4035fc80c39c5fa5734791ce2ee825cb865effa54
SHA5129813f6287dfe9e17fb67b895881225eb6426455f5e09152b9cd74577a5711b6384916b62de24f07efde82df2a7fc14eaf6681f66a21a18eb674b4f459cef22a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f22037f324b1c1322b948ba8ad958aee
SHA1daf52a070e9e5894b75158e0ac3b84e98a5a64e4
SHA2566535d0300e723d0dd9644a2633a546f97c372cbfe02ed2fcea82e9538ac0591d
SHA512183702dd487d80ed91c963e7071d23d4829e0caba4d8c091d2e603456123c776cac20040c37f479c03035c67d1167fac562aa9878ebec00b16d694fae94967d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5feb29ed284a7d1406c34915c185ba3e7
SHA163cc7e7d5b8f675a197177747136f558c0d24dbd
SHA25626566b7ffe5911067f93aa2ad6fed17dd0f6b772fc7ef879562a72f0cbc2681b
SHA5129140db67247a695bdb9f9a097b64fa5df671b2ce50a1370edbefe587891ad8d161d7da8cf1055c6d3f26a8c4634421302746f6086512fd37d532ffebbac8b7ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556b4bbc251050353259d7686503404d2
SHA19d4ff7e4035025cabdefb28538a892df370434a6
SHA256e190cff98faac6215f9411531a42fdcdeceb73e38f3a0a88168656f8f3865864
SHA51285f4f43016d126a52a2df0e40e2b960e4156628d784a3c8761be71acafb31ada54fd541030a7112cdaca551925e8b6567f33876c43e451db5cb150fd0736f3d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b06a096e70cf27d25e22dd34f0be74cd
SHA1dff7939a875e62fa8c81e294c9bf9fd32b832e47
SHA2561e7797053a9871727e4bce33c0464dda8be49cbf7eaf8070e298dc030810d009
SHA512a891a85fb62e362eb5e2973296e8d3d76401f4a51091fc0b35c9abf459acebdb55e3637b61e75dcd9bf09bcae284e3df549c1c712ff231d974490a370f8a5b7b
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Filesize
4.2MB
MD52e853f93f686838504b23085b24c9eda
SHA162574fed0d34299cf6b35eb8c03a44ac74c0788b
SHA256579b31cfb342233fa0562cedb3bfd8fd1c58d0445e1575adc090cecc6c3d7d24
SHA5121c0b9c8d55c65e1b9957e14032cbddedcbfb3bbecc119d451f08b6d386be44fe51abf709bed0de9f41620738676bfcbd4ed0baf5e253fdc480d3b93c5f008dbe
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec