Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2024, 13:24
Static task
static1
Behavioral task
behavioral1
Sample
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe
Resource
win10v2004-20240508-en
General
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Target
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe
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Size
4.1MB
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MD5
11a75565d54181de828a5a35dbec63a5
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SHA1
c9c764a2fa80e4c1432a8dd84d2f5a73ef4a7603
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SHA256
4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba
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SHA512
600dce4f7aab07981c82eaa61849ae993c580d7f843263162932eb6ac464a35a0292ad9c50fac8bfe7e024854b0b126f35f56e7ddd96aa6632dd049e6af0cb8b
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SSDEEP
98304:8QJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FJ:Xb8hTmbBIxHPR3rn3oKJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4616-2-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/4616-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4616-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4616-58-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/4616-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4616-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3516-59-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3516-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-162-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4564-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4596 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4564 csrss.exe 3448 injector.exe 4336 windefender.exe 1064 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023451-224.dat upx behavioral1/memory/4336-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1064-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4336-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1064-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1064-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1064-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe File created C:\Windows\rss\csrss.exe 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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 4056 sc.exe -
pid Process 1700 powershell.exe 3884 powershell.exe 3680 powershell.exe 5044 powershell.exe 1240 powershell.exe 4140 powershell.exe 1660 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3300 3516 WerFault.exe 103 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3996 schtasks.exe 936 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard 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,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-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,-2612 = "Bougainville Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3884 powershell.exe 3884 powershell.exe 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3680 powershell.exe 3680 powershell.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 5044 powershell.exe 5044 powershell.exe 1240 powershell.exe 1240 powershell.exe 4140 powershell.exe 4140 powershell.exe 1660 powershell.exe 1660 powershell.exe 1700 powershell.exe 1700 powershell.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 4564 csrss.exe 4564 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 4564 csrss.exe 4564 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 4564 csrss.exe 4564 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Token: SeImpersonatePrivilege 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe Token: SeDebugPrivilege 3680 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeSystemEnvironmentPrivilege 4564 csrss.exe Token: SeSecurityPrivilege 4056 sc.exe Token: SeSecurityPrivilege 4056 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4616 wrote to memory of 3884 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 4616 wrote to memory of 3884 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 4616 wrote to memory of 3884 4616 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 98 PID 3516 wrote to memory of 3680 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 104 PID 3516 wrote to memory of 3680 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 104 PID 3516 wrote to memory of 3680 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 104 PID 3516 wrote to memory of 4056 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 108 PID 3516 wrote to memory of 4056 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 108 PID 4056 wrote to memory of 4596 4056 cmd.exe 110 PID 4056 wrote to memory of 4596 4056 cmd.exe 110 PID 3516 wrote to memory of 5044 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 111 PID 3516 wrote to memory of 5044 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 111 PID 3516 wrote to memory of 5044 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 111 PID 3516 wrote to memory of 1240 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 113 PID 3516 wrote to memory of 1240 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 113 PID 3516 wrote to memory of 1240 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 113 PID 3516 wrote to memory of 4564 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 116 PID 3516 wrote to memory of 4564 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 116 PID 3516 wrote to memory of 4564 3516 4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe 116 PID 4564 wrote to memory of 4140 4564 csrss.exe 121 PID 4564 wrote to memory of 4140 4564 csrss.exe 121 PID 4564 wrote to memory of 4140 4564 csrss.exe 121 PID 4564 wrote to memory of 1660 4564 csrss.exe 127 PID 4564 wrote to memory of 1660 4564 csrss.exe 127 PID 4564 wrote to memory of 1660 4564 csrss.exe 127 PID 4564 wrote to memory of 1700 4564 csrss.exe 129 PID 4564 wrote to memory of 1700 4564 csrss.exe 129 PID 4564 wrote to memory of 1700 4564 csrss.exe 129 PID 4564 wrote to memory of 3448 4564 csrss.exe 131 PID 4564 wrote to memory of 3448 4564 csrss.exe 131 PID 4336 wrote to memory of 2780 4336 windefender.exe 138 PID 4336 wrote to memory of 2780 4336 windefender.exe 138 PID 4336 wrote to memory of 2780 4336 windefender.exe 138 PID 2780 wrote to memory of 4056 2780 cmd.exe 139 PID 2780 wrote to memory of 4056 2780 cmd.exe 139 PID 2780 wrote to memory of 4056 2780 cmd.exe 139 -
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\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3884
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C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.exe"C:\Users\Admin\AppData\Local\Temp\4bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba.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:3516 -
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:3680
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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:4056 -
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:4596
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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:5044
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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:1240
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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:4564 -
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:4140
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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:3996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:748
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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:1660
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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:1700
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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:3448
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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:936
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4336 -
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:2780 -
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:4056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 6723⤵
- Program crash
PID:3300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3516 -ip 35161⤵PID:4560
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1064
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
MD54806bc139374e52d3773c31b3b7e672d
SHA1b2b81c50a368e4ac61e0c055d09dbd62863a4a3c
SHA25649c5133c1e06f912dc3fc79059d77ad0116a13a58c0750dcc4b7a5736b91e664
SHA5123830c999faf897243093be225ee5426c2a0e51168e4f0c74b5eceae5727e36198a0b216edfbcca2a6805f65d6c8bf08929be42b48852aac17a1e17aabe96f2c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2ae77b100ea05693596cf19dc202c50
SHA13b4b421509f74aa6a3487e008b627b4584b566e3
SHA25627714f7dfccbcc697fb11bf4babd07c493c7e5a3ac0f35b0fc6cc56caef7e560
SHA512b9635f121c251bb142f3abf27d33b715d86fcf6dc9ff25841b0854456eaecdb5d965141a3caeccb8b33d5b6dd60df70267a1a474c4ab4197e55f983f10549293
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d03e388267739d26f807aa7626c0df39
SHA1945da044ce059f00cd6dfbd5a3c541e4131cf97f
SHA2561b2e687bba9895a07dd7cbb2f0ea759984f6f377423418b4715f0e49443bf188
SHA512d959018ee15bed2803e192c9ac86eda9a970c6955e608517a30f7b40b3d48045015a799fd29a412fc78d6b6748cfe569c2bdabe24a60ffbf51d0ac597bd733f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf8c4a7cb76f849d0cd4325158c94a70
SHA12b173d547f60a017511425d937e6244cf7a0abc7
SHA256082836643da2c8138bc5fdeb2bf2962e2843db58c1c3f782d1b8f9f748269688
SHA512cb815870a6f2c56e2b17d18d30e33b4122b65a02cbeccb595887b38d625eb94ce52e707a37de75648be4340422798acc5e5b2ba032e46aa183d36feb5030bed3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570e9a17f75397f727d1051c66d9e2467
SHA119e3749e2aedddb7ce5699aeb58f85d3cfd4ae8e
SHA256b9c5b0387b40fd87bf32317a1c2fc15679875330e43a940d9cd2457ead5baa32
SHA51207a8a3513e0927bd4a4c8cd5058d70dbb986cd845a6e939f0e642a39f29d2ea6a298b5294fab0fc1cbdb9067fd46095c61915dd1f5ff618a8d25650a6737a205
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Filesize
4.1MB
MD511a75565d54181de828a5a35dbec63a5
SHA1c9c764a2fa80e4c1432a8dd84d2f5a73ef4a7603
SHA2564bb3667cfe0c37062964dc7649497407205fcf4c2de76a1761d3c262ff3045ba
SHA512600dce4f7aab07981c82eaa61849ae993c580d7f843263162932eb6ac464a35a0292ad9c50fac8bfe7e024854b0b126f35f56e7ddd96aa6632dd049e6af0cb8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec