Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe
Resource
win10v2004-20240426-en
General
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Target
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe
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Size
4.1MB
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MD5
cc5fb9db22123f5ddc5414ba087cfab9
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SHA1
40239c9093950eb0465b479b18bf90bc7d460047
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SHA256
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4
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SHA512
7a938890c014ae7735cb0b7780fac16af099c9d1d9a0182d9f5ceb6c852c438813c860d4b7f611c62826d36891b3a6f701e51d8a49f48c7604053d245d3caa5b
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SSDEEP
98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2A:7rhn/yCBZkM+pB3dzB
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4432-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4432-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4432-90-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/5016-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1832 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3140 csrss.exe 3288 injector.exe 4556 windefender.exe 3036 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa20-205.dat upx behavioral2/memory/4556-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4556-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2744 sc.exe -
pid Process 5060 powershell.exe 2244 powershell.exe 2868 powershell.exe 1180 powershell.exe 1756 powershell.exe 2416 powershell.exe 3824 powershell.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 4396 schtasks.exe 4972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5060 powershell.exe 5060 powershell.exe 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 2244 powershell.exe 2244 powershell.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 2868 powershell.exe 2868 powershell.exe 1180 powershell.exe 1180 powershell.exe 1756 powershell.exe 1756 powershell.exe 2416 powershell.exe 2416 powershell.exe 3824 powershell.exe 3824 powershell.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3140 csrss.exe 3140 csrss.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3140 csrss.exe 3140 csrss.exe 3288 injector.exe 3288 injector.exe 3140 csrss.exe 3140 csrss.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe 3288 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Token: SeImpersonatePrivilege 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 1180 powershell.exe Token: SeDebugPrivilege 1756 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeSystemEnvironmentPrivilege 3140 csrss.exe Token: SeSecurityPrivilege 2744 sc.exe Token: SeSecurityPrivilege 2744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4432 wrote to memory of 5060 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 83 PID 4432 wrote to memory of 5060 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 83 PID 4432 wrote to memory of 5060 4432 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 83 PID 5016 wrote to memory of 2244 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 5016 wrote to memory of 2244 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 5016 wrote to memory of 2244 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 5016 wrote to memory of 2980 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 90 PID 5016 wrote to memory of 2980 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 90 PID 2980 wrote to memory of 1832 2980 cmd.exe 92 PID 2980 wrote to memory of 1832 2980 cmd.exe 92 PID 5016 wrote to memory of 2868 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 93 PID 5016 wrote to memory of 2868 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 93 PID 5016 wrote to memory of 2868 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 93 PID 5016 wrote to memory of 1180 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 95 PID 5016 wrote to memory of 1180 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 95 PID 5016 wrote to memory of 1180 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 95 PID 5016 wrote to memory of 3140 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 97 PID 5016 wrote to memory of 3140 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 97 PID 5016 wrote to memory of 3140 5016 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 97 PID 3140 wrote to memory of 1756 3140 csrss.exe 98 PID 3140 wrote to memory of 1756 3140 csrss.exe 98 PID 3140 wrote to memory of 1756 3140 csrss.exe 98 PID 3140 wrote to memory of 2416 3140 csrss.exe 104 PID 3140 wrote to memory of 2416 3140 csrss.exe 104 PID 3140 wrote to memory of 2416 3140 csrss.exe 104 PID 3140 wrote to memory of 3824 3140 csrss.exe 106 PID 3140 wrote to memory of 3824 3140 csrss.exe 106 PID 3140 wrote to memory of 3824 3140 csrss.exe 106 PID 3140 wrote to memory of 3288 3140 csrss.exe 108 PID 3140 wrote to memory of 3288 3140 csrss.exe 108 PID 4556 wrote to memory of 2544 4556 windefender.exe 114 PID 4556 wrote to memory of 2544 4556 windefender.exe 114 PID 4556 wrote to memory of 2544 4556 windefender.exe 114 PID 2544 wrote to memory of 2744 2544 cmd.exe 115 PID 2544 wrote to memory of 2744 2544 cmd.exe 115 PID 2544 wrote to memory of 2744 2544 cmd.exe 115 -
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\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
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C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244
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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:2980 -
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:1832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180
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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:3140 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1756
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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:4396
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1460
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3824
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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:3288
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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:4972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4556 -
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:2544 -
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:2744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3036
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
MD5c61271922ee1e239f9352b8a7c2b3086
SHA1687cfdf927a4dbeb6ed0c5fc5bef5f2d1c9d2c1b
SHA256b86ad0439668d2d7df680eb15dbff84aae5c1dbb3a567760140446cecd3ee0ba
SHA51271d65e8e2e8e8095fbabc2426c1f0fdda76a188b5422190cb43effde04eef83667fba816d586fa99468ae87a1b48ce1ebef90f04a9adf841863f1fc46ba6cbb2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b6dcdbd758864d597e4c542e2cb286a
SHA14090603b298658c4bb173011591013634a670e45
SHA256e17f5f5e4ae85ce1f310948519664ffb7a241f9150c1620c35543664835a1a99
SHA512b2b78da17ffa4506f9e386db2511d878b86c82eeebb98031a69a8cb1e751fa91079ea476a7d855b9b58f3311dc77f4fd7c014977dba0972a1dfd2d46bb2bd21d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588692370ea947ddaf76ed0a44af60275
SHA187e8d84e2e752fe43f817231189ae4fc77ce1ac7
SHA25616e7450c445dcb0d7cabbd375290d3ad2f951ed8c252ceb2048617bf5de1fd2e
SHA51281aaa3b7f7b28e354c01cc18e877e670f5611923d192bee09ebb046408c02aae479d330a487ed3749510fc1e37e47f908b401b687f28a6e4cb63c58fd6a38290
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5669a47a242a24b8b6b5832ff3b0fe4da
SHA1d219a482f6934a62152ff0b69fcc71cf9e22712c
SHA2569e731ca6c68dc9ea5328e091bfd18afc14e6946b69d3647b833fca734366dd17
SHA5122f73e7b82a5f69988cef40684dfbbd36f9ecd948f92aca02794d1422507f3090bf0930984e4ef8df34941ee2cbc23eb62c7008e855776355f4c1b07d83a990ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54734855ae5ebc411eda68eaf83dfd511
SHA1deb1f140a7f27bfa0b67d1af6573511e527e67da
SHA2567cd2b2d859d342f50534f34853dcc68c6ce3be4d31fe849febf02d3a5881a528
SHA51221e271d2e468f6e7efab05aada4714eb4a83c35f61b0a49851dec369cbb147ee763da49144fbf2a5861535bfc4b15163b2ee8e6fce4f338e921556a6297f5312
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Filesize
4.1MB
MD5cc5fb9db22123f5ddc5414ba087cfab9
SHA140239c9093950eb0465b479b18bf90bc7d460047
SHA25666508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4
SHA5127a938890c014ae7735cb0b7780fac16af099c9d1d9a0182d9f5ceb6c852c438813c860d4b7f611c62826d36891b3a6f701e51d8a49f48c7604053d245d3caa5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec