Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2024 20:11
Static task
static1
Behavioral task
behavioral1
Sample
c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe
Resource
win10v2004-20240226-en
General
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Target
c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe
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Size
4.1MB
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MD5
130cf6d01653953b69ee696c4d08a7fd
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SHA1
7ef543d4cfd2ac4b458c620f65b7175484beea22
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SHA256
c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad
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SHA512
425a4622da9b9ce3c4b026409661b4883b8f12b08dc1b94bcb29a0aac5facc0d9574c372169f66549ff6b280b1277e4572fb712cd9d100b587d538264680bd05
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SSDEEP
98304:lKRgzbnrqlEHV+iMzOaisXYsZYj1np6b4jV9X/fWiGsrCqzq8F:drQuavOhUbMV9MsrCo
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3852-2-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral1/memory/3852-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3852-48-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3852-57-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral1/memory/3536-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3852-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-94-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-154-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-157-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1780-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1780 csrss.exe 2612 injector.exe 4520 windefender.exe 424 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023225-263.dat upx behavioral1/files/0x0009000000023225-265.dat upx behavioral1/memory/4520-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/424-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/424-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\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 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe File created C:\Windows\rss\csrss.exe c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.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 1040 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 1852 schtasks.exe 3152 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.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\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.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\22\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 652 powershell.exe 652 powershell.exe 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 4324 powershell.exe 4324 powershell.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 2992 powershell.exe 2992 powershell.exe 2776 powershell.exe 2776 powershell.exe 2248 powershell.exe 2248 powershell.exe 3980 powershell.exe 3980 powershell.exe 640 powershell.exe 640 powershell.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 1780 csrss.exe 1780 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 1780 csrss.exe 1780 csrss.exe 2612 injector.exe 2612 injector.exe 1780 csrss.exe 1780 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 652 powershell.exe Token: SeDebugPrivilege 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Token: SeImpersonatePrivilege 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeSystemEnvironmentPrivilege 1780 csrss.exe Token: SeSecurityPrivilege 1040 sc.exe Token: SeSecurityPrivilege 1040 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3852 wrote to memory of 652 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 89 PID 3852 wrote to memory of 652 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 89 PID 3852 wrote to memory of 652 3852 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 89 PID 3536 wrote to memory of 4324 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 98 PID 3536 wrote to memory of 4324 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 98 PID 3536 wrote to memory of 4324 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 98 PID 3536 wrote to memory of 1816 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 101 PID 3536 wrote to memory of 1816 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 101 PID 1816 wrote to memory of 4964 1816 cmd.exe 103 PID 1816 wrote to memory of 4964 1816 cmd.exe 103 PID 3536 wrote to memory of 2992 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 104 PID 3536 wrote to memory of 2992 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 104 PID 3536 wrote to memory of 2992 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 104 PID 3536 wrote to memory of 2776 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 106 PID 3536 wrote to memory of 2776 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 106 PID 3536 wrote to memory of 2776 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 106 PID 3536 wrote to memory of 1780 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 109 PID 3536 wrote to memory of 1780 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 109 PID 3536 wrote to memory of 1780 3536 c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe 109 PID 1780 wrote to memory of 2248 1780 csrss.exe 110 PID 1780 wrote to memory of 2248 1780 csrss.exe 110 PID 1780 wrote to memory of 2248 1780 csrss.exe 110 PID 1780 wrote to memory of 3980 1780 csrss.exe 116 PID 1780 wrote to memory of 3980 1780 csrss.exe 116 PID 1780 wrote to memory of 3980 1780 csrss.exe 116 PID 1780 wrote to memory of 640 1780 csrss.exe 118 PID 1780 wrote to memory of 640 1780 csrss.exe 118 PID 1780 wrote to memory of 640 1780 csrss.exe 118 PID 1780 wrote to memory of 2612 1780 csrss.exe 120 PID 1780 wrote to memory of 2612 1780 csrss.exe 120 PID 4520 wrote to memory of 3264 4520 windefender.exe 126 PID 4520 wrote to memory of 3264 4520 windefender.exe 126 PID 4520 wrote to memory of 3264 4520 windefender.exe 126 PID 3264 wrote to memory of 1040 3264 cmd.exe 127 PID 3264 wrote to memory of 1040 3264 cmd.exe 127 PID 3264 wrote to memory of 1040 3264 cmd.exe 127 -
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\c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe"C:\Users\Admin\AppData\Local\Temp\c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652
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C:\Users\Admin\AppData\Local\Temp\c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.exe"C:\Users\Admin\AppData\Local\Temp\c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad.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:3536 -
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:4324
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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:1816 -
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:4964
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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:2992
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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:2776
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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:1780 -
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:2248
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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:1852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2136
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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:3980
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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:640
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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:2612
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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:3152
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
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:3264 -
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:1040
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:424
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6307d49e73db208947b847b3ade40e0
SHA112f3ca3fce1b5f4d9a8af615c8caa8ccec55e887
SHA2569330113d433ded5f9b0793aad4951d8e08ea2ff5a4e06a182283d64e5f463207
SHA5121701d73d37a982db766fb2416b13b7a49c1e4979e28d289d9a0b2460ad9f59096a820eaf3bcccdbe3e5f30eeb01c1764b6b7cd25178bba01889c36c81817e59d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc23ce0fdf245d04c34fd618717ec06b
SHA17f8171bacb2a33fd25d881b587952590fed698fb
SHA256dd309cd7848fe385f1cb6972f467b85a2e7a040805e4a9817851af114ada219f
SHA512a3b2199b64f715a1a62e34f443440b2ef0ba72c0c2674798d523636881033f4cce024ead3f65414382555c72f6bd640e75354d0258083bbfe6c94886aacc474e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d5334efb7435b50945dc7d9b55fb976
SHA17f87363692c9871ef360d154ba49ce010d94f58e
SHA256eb66fadef2738d9ac08ba7e7c196f7645ab87fbab77989fb12773e7e47be73ad
SHA512f5a92222f8c42d2c77d12a85e67757c3b60ab83b88e56716127f0dd8f0ddc65503865a942fb2fd319c280c56129088e2c089850962efd801de9959484f8e16f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bc92c8a26a160b85b371476a4314c36
SHA165ca2ab1ed58267e9e064734d8d47571e4a8b627
SHA2569e161d2c03848a2831906d5ee40e4690f37be3de093b389b9adb9bfdd5bf13b5
SHA5124264c58c36f225ef646e6949ed7278c636da29efdbaa71d8e8108365234983088c74f8d379ac5ce93cc6bd4bae7a7d12ff445909322e8434d5745fda22375c0e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e75fbfa88391e96398df4febb866f75
SHA1d4cc6889d79130be2deeb0a4fc7bdeff20dfb410
SHA256e6c9e72088e3573f0d2143c9e0faccdbe671039e5ecd7bea771a712f10a70694
SHA5124263f712de7843844b949ec978de4cebbbd44e84ea0cf8d98cc3f98f56e4978f47f516a1fe27eaf0dcccae0205963621aaab26618553f7a8a1dbf4f2edd3f8bc
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Filesize
4.1MB
MD5130cf6d01653953b69ee696c4d08a7fd
SHA17ef543d4cfd2ac4b458c620f65b7175484beea22
SHA256c734c4f5f98a1d9b8116874871e24a6593f59be9620bf5c658b385334c4543ad
SHA512425a4622da9b9ce3c4b026409661b4883b8f12b08dc1b94bcb29a0aac5facc0d9574c372169f66549ff6b280b1277e4572fb712cd9d100b587d538264680bd05
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Filesize
3.6MB
MD5e683d251514cfd0a780dca3f36ba1a2a
SHA1351661e807d35890e1b04eeab0f2e7013bfeacb0
SHA2563e5b4ce743d51cdf90e65f42c96845b318bd8d3f5cd30dd77bc7fd0507aab4c2
SHA51273cda3fe317598b1d1040359e9f2cccb8451ef68dc68cbe5a8196e9a105dbacdc3920252e545f814263b16b6042cc2ba7e1a03b847723c5c5ae1102b5cfa6882
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Filesize
960KB
MD55f73b9128ecab8e5698041aa57236872
SHA1b04a108ed5ad4c0357d3df34ca69a9b7520e36f9
SHA2560b49e891f3a960b56182a47de95bd7720f1c5972ce54d44c511ef02d43f770d1
SHA512ff8f7a91310eb39d754d8af9e2567db0b8583c4482c63a1e42d4add00b5146c9e09b599ae791d639cb463a1edd993dbb7dc058de764f8ef8e2d00fd58c7d05d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec