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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25/04/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe
Resource
win10v2004-20240412-en
General
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Target
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe
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Size
4.1MB
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MD5
84593ad6f91078e2b257b80a7878f124
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SHA1
0f4b30414c725598117e38b4f2863d79530b89c7
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SHA256
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80
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SHA512
7cba986b097c42f3c9b5702132a159ca4771803bf81bbd7c3361009c2539a500ebd7a83ad96e9d00e28b89610068ad5801ad791643af75baf55b2b97c128d2d7
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SSDEEP
98304:76iTZ4kfg452+1ymkJVCeDBCBxmGqwqRrEfoUjZy6nFMEWaGv167KvyfiuU:7pTamgkhkCDLmGqEnZypEWjw7K9f
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4708-2-0x00000000052F0000-0x0000000005BDB000-memory.dmp family_glupteba behavioral2/memory/4708-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4708-50-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4708-52-0x00000000052F0000-0x0000000005BDB000-memory.dmp family_glupteba behavioral2/memory/2744-54-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2744-87-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2744-101-0x0000000003660000-0x0000000003A64000-memory.dmp family_glupteba behavioral2/memory/2744-127-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2744-146-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-183-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-228-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-248-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-257-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-259-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-261-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-263-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-265-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-267-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1680-269-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1612 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1680 csrss.exe 3832 injector.exe 3184 windefender.exe 3904 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa32-251.dat upx behavioral2/memory/3184-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3904-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3904-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe File created C:\Windows\rss\csrss.exe 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.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.
pid Process 3552 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 776 4708 WerFault.exe 79 2420 4708 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 868 schtasks.exe 2336 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\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2784 powershell.exe 2784 powershell.exe 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 1404 powershell.exe 1404 powershell.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2488 powershell.exe 2488 powershell.exe 4796 powershell.exe 4796 powershell.exe 3304 powershell.exe 3304 powershell.exe 4048 powershell.exe 4048 powershell.exe 3584 powershell.exe 3584 powershell.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 1680 csrss.exe 1680 csrss.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 1680 csrss.exe 1680 csrss.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 1680 csrss.exe 1680 csrss.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe 3832 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Token: SeImpersonatePrivilege 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeSystemEnvironmentPrivilege 1680 csrss.exe Token: SeSecurityPrivilege 3552 sc.exe Token: SeSecurityPrivilege 3552 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4708 wrote to memory of 2784 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 82 PID 4708 wrote to memory of 2784 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 82 PID 4708 wrote to memory of 2784 4708 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 82 PID 2744 wrote to memory of 1404 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 92 PID 2744 wrote to memory of 1404 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 92 PID 2744 wrote to memory of 1404 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 92 PID 2744 wrote to memory of 4116 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 94 PID 2744 wrote to memory of 4116 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 94 PID 4116 wrote to memory of 1612 4116 cmd.exe 96 PID 4116 wrote to memory of 1612 4116 cmd.exe 96 PID 2744 wrote to memory of 2488 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 97 PID 2744 wrote to memory of 2488 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 97 PID 2744 wrote to memory of 2488 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 97 PID 2744 wrote to memory of 4796 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 99 PID 2744 wrote to memory of 4796 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 99 PID 2744 wrote to memory of 4796 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 99 PID 2744 wrote to memory of 1680 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 101 PID 2744 wrote to memory of 1680 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 101 PID 2744 wrote to memory of 1680 2744 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 101 PID 1680 wrote to memory of 3304 1680 csrss.exe 102 PID 1680 wrote to memory of 3304 1680 csrss.exe 102 PID 1680 wrote to memory of 3304 1680 csrss.exe 102 PID 1680 wrote to memory of 4048 1680 csrss.exe 108 PID 1680 wrote to memory of 4048 1680 csrss.exe 108 PID 1680 wrote to memory of 4048 1680 csrss.exe 108 PID 1680 wrote to memory of 3584 1680 csrss.exe 110 PID 1680 wrote to memory of 3584 1680 csrss.exe 110 PID 1680 wrote to memory of 3584 1680 csrss.exe 110 PID 1680 wrote to memory of 3832 1680 csrss.exe 112 PID 1680 wrote to memory of 3832 1680 csrss.exe 112 PID 3184 wrote to memory of 2204 3184 windefender.exe 118 PID 3184 wrote to memory of 2204 3184 windefender.exe 118 PID 3184 wrote to memory of 2204 3184 windefender.exe 118 PID 2204 wrote to memory of 3552 2204 cmd.exe 119 PID 2204 wrote to memory of 3552 2204 cmd.exe 119 PID 2204 wrote to memory of 3552 2204 cmd.exe 119 -
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\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
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C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.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:2744 -
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:1404
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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:4116 -
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:1612
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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:2488
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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:4796
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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:1680 -
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:3304
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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:868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4708
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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:4048
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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:3584
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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:3832
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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:2336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3184 -
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:2204 -
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:3552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 8722⤵
- Program crash
PID:776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 9122⤵
- Program crash
PID:2420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4708 -ip 47081⤵PID:2372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4708 -ip 47081⤵PID:1496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3904
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522d2e244b11ec79dacab7c16486b2515
SHA1ea4ac0b447e1571ff7c57418dc0359eb85bc3b61
SHA2564517b9ae6dde98a5e345df6d58cc92af8928fa22c5be1e834f364c7db27b363f
SHA5128099501c81487339177c4188dca0ff180a4b132a388f9bb99c59a2462434e88ff2907d9f32ed2ee358da9ee877234edb4411b3bdac26efb179af6eaf78386438
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5321c35b238f45c0b2453f45627ce3757
SHA1bdeaf6817a9fe88fb8c93c4c18d9d89d3d88c650
SHA256da7ec7c8b6ff712e7e8dce0e02b3b482c9ce1d37a24636b9d3c506f344cd1399
SHA51295cd4a5d609f544b6c15d4ae2ce195d64660bac42c7818bbc5c747b584e285935f1be842b29bdfb5981a6df34ef47df4f05c900e31e79f0b47558940dfd7ba4c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be06c02f2107972f66eb7b5dded95935
SHA1136bf13177c2fc60ec4c4bb800a4d810e058b103
SHA25675a5ffccf4a3ffb27ccb5ea21904d9af8cd56c4c5942347c2f332e0a2271d8bb
SHA512939f64907d99fd4b8b41425924a3bc2411c59489f8e8d31575b659cb856f6b05e8d7c3656e6b408cafe6d60ccc365a6435b9af8e206e07d02d9bc66108932beb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5379f3211f1b4cfd74e7d82090fee0398
SHA1dfc4f99b43ef6dc69a897dd150bbd71ffd28c7ee
SHA256259dc991f7c4a98feadebde95e649eb6d8e0fec60b89f6f045bf297eb7862f25
SHA512e5f6a4f04acbec8fc9c726ac0af2405a890ebfd504887629e8a1f2b60c1775c2f1a0b57f2b1068ebf9ddc985be07cb57b67aa4abd8dcc37f8cfdb7bac445fdd7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591f8457390a26eb8958c5e092de2270a
SHA1e4e03ed9711313eae4dacea9b4574ec0181edee0
SHA25613cecb3c1e77edab70c516ac21f0f3508c0f9ce2a69e4c64160181a59a07909e
SHA512b035042d1b7b66112072d18a1cb689d0197a434fc8d523626cddef44974264394abfe74fc4f84566898b554d3af92ce3177b86f0bfc8a47cf01c7c32da51bb2d
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Filesize
4.1MB
MD584593ad6f91078e2b257b80a7878f124
SHA10f4b30414c725598117e38b4f2863d79530b89c7
SHA25672f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80
SHA5127cba986b097c42f3c9b5702132a159ca4771803bf81bbd7c3361009c2539a500ebd7a83ad96e9d00e28b89610068ad5801ad791643af75baf55b2b97c128d2d7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec