Analysis
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max time kernel
150s -
max time network
123s -
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, 23:04
Static task
static1
Behavioral task
behavioral1
Sample
fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe
Resource
win10v2004-20240412-en
General
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Target
fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe
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Size
4.1MB
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MD5
3ba16d966ca8c210d1bab656464a2c1e
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SHA1
36a4be6359770f45d7c0608bd8b290a5405c4b00
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SHA256
fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b
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SHA512
622dcf436fc829dd5a950fa1d62fd902f7f2d308e24536bdb904da832ff55cdb3f67a590c7c0d5684a03607ed0b837b6922b192ee9810cc172e118db442f9993
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SSDEEP
98304:AQ81Q66FfCHNQOH3ApT7r/b1+Q0M0hv3tpcZa2H6QrEl:AQ896FfCHNLQD4Q0M0hvdpcrH6Qre
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3888-2-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral2/memory/3888-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3888-53-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral2/memory/3888-54-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3148-57-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3148-89-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3148-140-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3148-151-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-196-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-250-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-260-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-264-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-269-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-273-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-277-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-281-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-285-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/5008-289-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3652 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5008 csrss.exe 2560 injector.exe 3028 windefender.exe 4496 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-253.dat upx behavioral2/memory/3028-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4496-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4496-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe File created C:\Windows\rss\csrss.exe fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4152 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 2468 schtasks.exe 1624 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,-72 = "Newfoundland Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar 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,-731 = "Fiji Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1864 powershell.exe 1864 powershell.exe 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 1456 powershell.exe 1456 powershell.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 2220 powershell.exe 2220 powershell.exe 2056 powershell.exe 2056 powershell.exe 1672 powershell.exe 1672 powershell.exe 4400 powershell.exe 4400 powershell.exe 1536 powershell.exe 1536 powershell.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 5008 csrss.exe 5008 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 5008 csrss.exe 5008 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 5008 csrss.exe 5008 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Token: SeImpersonatePrivilege 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeSystemEnvironmentPrivilege 5008 csrss.exe Token: SeSecurityPrivilege 4152 sc.exe Token: SeSecurityPrivilege 4152 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3888 wrote to memory of 1864 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 81 PID 3888 wrote to memory of 1864 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 81 PID 3888 wrote to memory of 1864 3888 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 81 PID 3148 wrote to memory of 1456 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 86 PID 3148 wrote to memory of 1456 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 86 PID 3148 wrote to memory of 1456 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 86 PID 3148 wrote to memory of 2036 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 88 PID 3148 wrote to memory of 2036 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 88 PID 2036 wrote to memory of 3652 2036 cmd.exe 90 PID 2036 wrote to memory of 3652 2036 cmd.exe 90 PID 3148 wrote to memory of 2220 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 91 PID 3148 wrote to memory of 2220 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 91 PID 3148 wrote to memory of 2220 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 91 PID 3148 wrote to memory of 2056 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 93 PID 3148 wrote to memory of 2056 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 93 PID 3148 wrote to memory of 2056 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 93 PID 3148 wrote to memory of 5008 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 95 PID 3148 wrote to memory of 5008 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 95 PID 3148 wrote to memory of 5008 3148 fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe 95 PID 5008 wrote to memory of 1672 5008 csrss.exe 96 PID 5008 wrote to memory of 1672 5008 csrss.exe 96 PID 5008 wrote to memory of 1672 5008 csrss.exe 96 PID 5008 wrote to memory of 4400 5008 csrss.exe 101 PID 5008 wrote to memory of 4400 5008 csrss.exe 101 PID 5008 wrote to memory of 4400 5008 csrss.exe 101 PID 5008 wrote to memory of 1536 5008 csrss.exe 104 PID 5008 wrote to memory of 1536 5008 csrss.exe 104 PID 5008 wrote to memory of 1536 5008 csrss.exe 104 PID 5008 wrote to memory of 2560 5008 csrss.exe 106 PID 5008 wrote to memory of 2560 5008 csrss.exe 106 PID 3028 wrote to memory of 1520 3028 windefender.exe 112 PID 3028 wrote to memory of 1520 3028 windefender.exe 112 PID 3028 wrote to memory of 1520 3028 windefender.exe 112 PID 1520 wrote to memory of 4152 1520 cmd.exe 113 PID 1520 wrote to memory of 4152 1520 cmd.exe 113 PID 1520 wrote to memory of 4152 1520 cmd.exe 113 -
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\fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe"C:\Users\Admin\AppData\Local\Temp\fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1864
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C:\Users\Admin\AppData\Local\Temp\fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.exe"C:\Users\Admin\AppData\Local\Temp\fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b.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:3148 -
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:1456
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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:2036 -
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:3652
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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:2220
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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:2056
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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:5008 -
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:1672
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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:2468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:792
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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:4400
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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:1536
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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:2560
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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:1624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3028 -
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:1520 -
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:4152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4496
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
MD5704496ad2390181edc796bf924b8ff52
SHA18cb7c370e0d044c030df9ee2d944d3ad4513c53d
SHA25688dab8aee4891605bc19e32f6d508acd54c5bd0342f17546bd42fea42f73c8b0
SHA5126477cd0f430661294262e18a6b71bfcd3c68df345c845f9849ead9c44279b78bb51f529b57acd8486ab347d5d3163166e58e17fc229d94f97eee6fd0a7a23fd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c66b20044be748cc1c98e07d3f23c1e
SHA1f5ae8b2a9ad4bf66cc1354b34f20259fbdea5050
SHA2569f2a7d004e97f6aa7640436a4b16dc57e7dbbfd73746d2c616f94b7c9409ef8b
SHA5127cd8e8984d73adc5ae981a19f7939ff6f31089da7421ad4f75fde67a52ef249397cbec5dc82e9266e313b6525a325dd5a5fd452cd42a924a0b165a5c44299fbb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5485346def95e92536b42dcf6c0c9fe44
SHA13e2d563d1df14ded027fcf09c4ad6390150b8aad
SHA25629eb3195536bde402b056d04a367ca7a84bde60005282b8b755bc12a2411fc35
SHA5129cd151944dcded665811c1ed43cb29ec5460a7276af8c2c82eaeef9288131c125fb7ebc5c0d994a0de1d4d5a441dc5f6d5327be4ce077e6540b701db3a66a23d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525a07f7a7c16ace1e8687f62182744ea
SHA1e3555b50ed8c7fc04efffe9c65052da482b90ce3
SHA256bab8597683e53788f55c83316b603c025f25d6c61d832dcedb9c8cce0c9f61e4
SHA512e956e55cf0009fd8aa542090e56aadc28e9bf4feb939b6354ed7d1f37d201254a675ad36482c2bd08e703885bb495b93fd6609a002487985f187ceec2f9d6cae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b481930bcba2eb83fd141ad68037147
SHA10306329c3fd986ab0cc13a5ef4837cb823f00607
SHA2561de2ad05e9ccc5bca6b96da90a1503fb2afe55b475be19f10e92192a8e44a9b4
SHA512b3c18d4a9d1278a304257bbf25c2f78b584128aabae04b9aa3f003f4134d9fcb4196a15ae9b41f563c0b6b7764f68c0cc62b00de6fde42ce777200ad002e918e
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Filesize
4.1MB
MD53ba16d966ca8c210d1bab656464a2c1e
SHA136a4be6359770f45d7c0608bd8b290a5405c4b00
SHA256fa9815abc7a936c71f631cd690481cf428eb958633de1e93a4297ce9d61b351b
SHA512622dcf436fc829dd5a950fa1d62fd902f7f2d308e24536bdb904da832ff55cdb3f67a590c7c0d5684a03607ed0b837b6922b192ee9810cc172e118db442f9993
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec