Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:45
Static task
static1
Behavioral task
behavioral1
Sample
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe
Resource
win10v2004-20240426-en
General
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Target
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe
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Size
4.1MB
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MD5
b2d6159b5666d2f4bd6bab456fe7b03f
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SHA1
9081d667c4aa7180a361597b9c9ae400814939e5
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SHA256
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb
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SHA512
1ded3d6be3c5ae1cf0ae41e77cd77d507d49b0972dfcf2f168678977262b748ed0f0065282f421b143f7f7325da2b117e176237f5c97664c37b9f6a8c89e9cab
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzJ:h7B3j0rWdEQQ059Cfd4xbkE91Kmd
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3012-2-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/3012-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3012-52-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/3012-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3012-49-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3996-123-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-197-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-217-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-220-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-223-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-225-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-228-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-229-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2544-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2544 csrss.exe 748 injector.exe 5072 windefender.exe 4416 windefender.exe -
resource yara_rule behavioral2/memory/4416-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5072-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1b-208.dat upx behavioral2/memory/5072-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4416-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4416-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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\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 File created 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 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.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 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1800 sc.exe -
pid Process 2260 powershell.exe 2436 powershell.exe 4864 powershell.exe 2220 powershell.exe 4232 powershell.exe 4840 powershell.exe 896 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 684 schtasks.exe 744 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard 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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.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\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight 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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4864 powershell.exe 4864 powershell.exe 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 2220 powershell.exe 2220 powershell.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4232 powershell.exe 4232 powershell.exe 4840 powershell.exe 4840 powershell.exe 896 powershell.exe 896 powershell.exe 2260 powershell.exe 2260 powershell.exe 2436 powershell.exe 2436 powershell.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2544 csrss.exe 2544 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2544 csrss.exe 2544 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 2544 csrss.exe 2544 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Token: SeImpersonatePrivilege 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 896 powershell.exe Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 2436 powershell.exe Token: SeSystemEnvironmentPrivilege 2544 csrss.exe Token: SeSecurityPrivilege 1800 sc.exe Token: SeSecurityPrivilege 1800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3012 wrote to memory of 4864 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 83 PID 3012 wrote to memory of 4864 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 83 PID 3012 wrote to memory of 4864 3012 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 83 PID 3996 wrote to memory of 2220 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 88 PID 3996 wrote to memory of 2220 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 88 PID 3996 wrote to memory of 2220 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 88 PID 3996 wrote to memory of 4676 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 90 PID 3996 wrote to memory of 4676 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 90 PID 4676 wrote to memory of 564 4676 cmd.exe 92 PID 4676 wrote to memory of 564 4676 cmd.exe 92 PID 3996 wrote to memory of 4232 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 93 PID 3996 wrote to memory of 4232 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 93 PID 3996 wrote to memory of 4232 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 93 PID 3996 wrote to memory of 4840 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 95 PID 3996 wrote to memory of 4840 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 95 PID 3996 wrote to memory of 4840 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 95 PID 3996 wrote to memory of 2544 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 3996 wrote to memory of 2544 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 3996 wrote to memory of 2544 3996 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 2544 wrote to memory of 896 2544 csrss.exe 98 PID 2544 wrote to memory of 896 2544 csrss.exe 98 PID 2544 wrote to memory of 896 2544 csrss.exe 98 PID 2544 wrote to memory of 2260 2544 csrss.exe 104 PID 2544 wrote to memory of 2260 2544 csrss.exe 104 PID 2544 wrote to memory of 2260 2544 csrss.exe 104 PID 2544 wrote to memory of 2436 2544 csrss.exe 106 PID 2544 wrote to memory of 2436 2544 csrss.exe 106 PID 2544 wrote to memory of 2436 2544 csrss.exe 106 PID 2544 wrote to memory of 748 2544 csrss.exe 108 PID 2544 wrote to memory of 748 2544 csrss.exe 108 PID 5072 wrote to memory of 3272 5072 windefender.exe 114 PID 5072 wrote to memory of 3272 5072 windefender.exe 114 PID 5072 wrote to memory of 3272 5072 windefender.exe 114 PID 3272 wrote to memory of 1800 3272 cmd.exe 115 PID 3272 wrote to memory of 1800 3272 cmd.exe 115 PID 3272 wrote to memory of 1800 3272 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\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4864
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C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.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:3996 -
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:2220
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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:4676 -
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:564
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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:4232
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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:4840
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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:2544 -
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:896
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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:684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5000
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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:2260
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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:2436
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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:748
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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:744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5072 -
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:3272 -
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:1800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4416
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
MD5f9b409136140c372d4031cc4f5a58476
SHA1bb9c83118373a9a6170f3870f638c5a44a02b115
SHA2568b18c98cda3c0317c627b8286a40cce7db9bffcf2019d385d16754632a3ec0f5
SHA512b446cd0c47455692c093c116d4c5bdec9b475dba437471e99a8e2f04c7ee5c28ce410f74d7ba2c60610561a896464f91ba507745fa9bdda33df91e6ea1e29b50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3c5474eccdc84c069bacbf040cad927
SHA17c08690bd4b27127e69d6de6b6f364a0c24f54c3
SHA25647ac0bf3a3f81d639e9451f8ead9192548ae0eb22140eeff29b44eddb22b0e28
SHA51244d1c685656f45e36de660ab0509cf1cb93662b5d139956ed5ff526728bafbec5107ccdead6ea40429d57c71edc898655def86eae7a5b74c586bfdc300d3a0e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de569008a1d71ff22aaca2ec112da367
SHA1af6536902a9bdd8cbc68f2cb6a26fc7e448cd23a
SHA256a30d8735ec80825f794b055ea0e5f9c40c68573afcb574d07a547e06428c081a
SHA51264f412a5467161cbe8ed2856e52510befbde3aeed2e4924bc67a9536e66ec8e65c839594aeb0216e76490366e801e21cd6c06d986cf21bc23f1d4c65ee80e32b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e59e8786e74ed2553c3f96fbd4089f07
SHA1c1bc73171dbbdfa9893a178dfabc31e96c38018c
SHA256d6c14b75a272c54743f931c5565f14f45ec3f80493b5e159c845d9949b116d5f
SHA51201a261ba38ebba2f5e0a0bff4f64388e663646cb945608eb9176cdf4c43477bc6f1ec93d0189242f0b7b5d1ec97668bd8a8fa426b36a6ab2764c7fec9983e5aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586440b930a31c0fccdedbf21b4d47d1a
SHA10b9a41ebe77f3ec1fd62dd0b58ca65232b13f8b5
SHA25615300ad245312b9b2cb0cb8089ddce4192f80e616f1c043dbf89a2dd12c502f1
SHA512170b9e512b48f2ce1020419a83c6d9c4ff0eeda35c7242398d9436c2d9b9125f95f02987eb00f8f03f6693ddd352e0c311e97869aff9a48cb55453c4549b36f3
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Filesize
4.1MB
MD5b2d6159b5666d2f4bd6bab456fe7b03f
SHA19081d667c4aa7180a361597b9c9ae400814939e5
SHA2561c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb
SHA5121ded3d6be3c5ae1cf0ae41e77cd77d507d49b0972dfcf2f168678977262b748ed0f0065282f421b143f7f7325da2b117e176237f5c97664c37b9f6a8c89e9cab
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec