Analysis
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max time kernel
150s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 09:37
Static task
static1
Behavioral task
behavioral1
Sample
0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe
Resource
win10v2004-20240508-en
General
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Target
0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe
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Size
4.1MB
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MD5
07fc779baa974d76ef0ad9fd7f40e147
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SHA1
60b74bc7220492da1c8c8ce847bb0d83cf37fb01
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SHA256
0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b
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SHA512
5000d1a5dc7120f35abcbc92ef2cfc48c0139babedc3597167e2fc1fc1bcc00d7bc270d9dd798fc172741647e10ac410959ed8f414abc3d83329f73440967b36
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SSDEEP
98304:GKxKi54hoBjzoZCW1g5yQkIPA8Ic9OS8BHOHsChX8Rt:GrhmoZCaCA8pobHOMCS
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2912-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2912-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2912-53-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/4964-55-0x0000000002A30000-0x0000000002E38000-memory.dmp family_glupteba behavioral2/memory/4964-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4964-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4964-204-0x0000000002A30000-0x0000000002E38000-memory.dmp family_glupteba behavioral2/memory/2660-203-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1012 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2660 csrss.exe 2724 injector.exe 2540 windefender.exe 1752 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ca-209.dat upx behavioral2/memory/2540-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2540-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1752-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1752-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1752-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 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 -
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 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe File created C:\Windows\rss\csrss.exe 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.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 2828 sc.exe -
pid Process 4140 powershell.exe 2188 powershell.exe 2712 powershell.exe 3096 powershell.exe 3220 powershell.exe 3964 powershell.exe 4992 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 3008 schtasks.exe 1192 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.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\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.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,-502 = "Nepal Standard Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4992 powershell.exe 4992 powershell.exe 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4140 powershell.exe 4140 powershell.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 2188 powershell.exe 2188 powershell.exe 2712 powershell.exe 2712 powershell.exe 3096 powershell.exe 3096 powershell.exe 3220 powershell.exe 3220 powershell.exe 3964 powershell.exe 3964 powershell.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2660 csrss.exe 2660 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2660 csrss.exe 2660 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2660 csrss.exe 2660 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4992 powershell.exe Token: SeDebugPrivilege 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Token: SeImpersonatePrivilege 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 2660 csrss.exe Token: SeSecurityPrivilege 2828 sc.exe Token: SeSecurityPrivilege 2828 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2912 wrote to memory of 4992 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 82 PID 2912 wrote to memory of 4992 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 82 PID 2912 wrote to memory of 4992 2912 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 82 PID 4964 wrote to memory of 4140 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 87 PID 4964 wrote to memory of 4140 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 87 PID 4964 wrote to memory of 4140 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 87 PID 4964 wrote to memory of 2040 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 89 PID 4964 wrote to memory of 2040 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 89 PID 2040 wrote to memory of 1012 2040 cmd.exe 91 PID 2040 wrote to memory of 1012 2040 cmd.exe 91 PID 4964 wrote to memory of 2188 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 92 PID 4964 wrote to memory of 2188 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 92 PID 4964 wrote to memory of 2188 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 92 PID 4964 wrote to memory of 2712 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 94 PID 4964 wrote to memory of 2712 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 94 PID 4964 wrote to memory of 2712 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 94 PID 4964 wrote to memory of 2660 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 96 PID 4964 wrote to memory of 2660 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 96 PID 4964 wrote to memory of 2660 4964 0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe 96 PID 2660 wrote to memory of 3096 2660 csrss.exe 97 PID 2660 wrote to memory of 3096 2660 csrss.exe 97 PID 2660 wrote to memory of 3096 2660 csrss.exe 97 PID 2660 wrote to memory of 3220 2660 csrss.exe 102 PID 2660 wrote to memory of 3220 2660 csrss.exe 102 PID 2660 wrote to memory of 3220 2660 csrss.exe 102 PID 2660 wrote to memory of 3964 2660 csrss.exe 105 PID 2660 wrote to memory of 3964 2660 csrss.exe 105 PID 2660 wrote to memory of 3964 2660 csrss.exe 105 PID 2660 wrote to memory of 2724 2660 csrss.exe 107 PID 2660 wrote to memory of 2724 2660 csrss.exe 107 PID 2540 wrote to memory of 748 2540 windefender.exe 113 PID 2540 wrote to memory of 748 2540 windefender.exe 113 PID 2540 wrote to memory of 748 2540 windefender.exe 113 PID 748 wrote to memory of 2828 748 cmd.exe 114 PID 748 wrote to memory of 2828 748 cmd.exe 114 PID 748 wrote to memory of 2828 748 cmd.exe 114 -
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\0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe"C:\Users\Admin\AppData\Local\Temp\0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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C:\Users\Admin\AppData\Local\Temp\0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.exe"C:\Users\Admin\AppData\Local\Temp\0a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b.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:4964 -
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:4140
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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:2040 -
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:1012
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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:2188
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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:2712
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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:2660 -
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:3096
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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:3008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4608
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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:3220
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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:3964
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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:2724
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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:1192
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2540 -
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:748 -
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:2828
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1752
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
MD55c85570316938879f24956089a2e0db0
SHA197c8640e7f5308c5fd7871197a44ddff178b7284
SHA2568c66ab3ecc1fd6ff9f7fd5fe33f78b53d8644f7842546fe21f78047bb5271d66
SHA5120b9f99e7e91ee32037cbd718517d0a4cc98b1a1735597948eefea8394f731687b1989320ca1a44f8c123c7ae721bbc50e863be5a99e3824e77e3618d1ef55ac6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54bd9e4cc1bedd553f30982b02f70c4b7
SHA10cdaafbe7e67d9105b1cabeb60aabdb5d9ae1826
SHA2569c95338f0ca9078cd21beae559a965b5e34c6680eda59535b4c076dd419e480d
SHA5120f876f62b3c513151bf17ae208c30a68dc23718562439ad2b134fed17c3496b558779d40e33e515ed142917c6f0d5f6e683bc6fe1142855b9c4aca94c0e32270
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53594dde1df1dba38dba7f3d951071c85
SHA128627282a06c2ecb9086c5d0193c6b03cb42d958
SHA25614e7a9b24a4c34805d054996b5eaaa13c4cc2887d6b4412a6960d5ce52ba3d40
SHA5126068c33daf551712a8e7c6ad5e77f7ed72690f4fdfc3ce0e920e1f640bfc9d81274793b12c485586ab30152aa0a408137963b32b1e55a542a4c7488e9bec7ad6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58deb07a6ade646f587acf0934f606c2a
SHA1c6508631f980a8176230f1db9f796d04d754158d
SHA256a40c7644e7452c828616f87691101a9c19ce5dd4af9bc75fb380d7330181b48f
SHA51206a6c363570510ebeb5c68ad8208367e7e2a30909214678160a0e6778beb838303ec0b9cfa950903bf4a9210e5c35de71744067793aa17d0df1d3643cd22b26d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bcd46c8bed1c0c3354fada541c8535f7
SHA17dc6095eb8f4ef15d1d27696b53fb78499553349
SHA256eced80586a6b5bbe81f804898433c57d20f2d932cde7c2aafadde57feb75c75b
SHA512f45bc7abfb012d152075a25b6af2f0214e759c6de7875f6acd097612a7e46267e27564354e28ef5939606f121253e9c0495fd0796d707e76c2f3b31773204447
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Filesize
4.1MB
MD507fc779baa974d76ef0ad9fd7f40e147
SHA160b74bc7220492da1c8c8ce847bb0d83cf37fb01
SHA2560a8c71ec1f81e8d634196ea48f19700a06af76387c4d4eebcb28e22de0c2b65b
SHA5125000d1a5dc7120f35abcbc92ef2cfc48c0139babedc3597167e2fc1fc1bcc00d7bc270d9dd798fc172741647e10ac410959ed8f414abc3d83329f73440967b36
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec