Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe
Resource
win10v2004-20240426-en
General
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Target
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe
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Size
4.1MB
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MD5
d83946b785aa670464c0ee497ae0026a
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SHA1
2b48bfb70b8c7f0bbf5e90fc352c9be7135fc751
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SHA256
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5
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SHA512
327aae9846b1f3fe6d60e673b4b7ffb5ee2309b01b9e47974bdc1a9daf58a3516b197b5b7ccc33788b9e3196efed0249d4b19949377fc1029af85effef5eb505
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCj:hLlNLHtGNcOLFp5JFwlsCj
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/464-2-0x0000000004F30000-0x000000000581B000-memory.dmp family_glupteba behavioral1/memory/464-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/464-3-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/464-54-0x0000000004F30000-0x000000000581B000-memory.dmp family_glupteba behavioral1/memory/464-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/464-53-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3772-117-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3772-134-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-186-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-228-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-234-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-237-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-243-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-246-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2812-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2812 csrss.exe 4752 injector.exe 4496 windefender.exe 4912 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002349c-222.dat upx behavioral1/memory/4496-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe File created C:\Windows\rss\csrss.exe 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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 3948 sc.exe -
pid Process 3628 powershell.exe 3988 powershell.exe 4116 powershell.exe 4108 powershell.exe 4732 powershell.exe 1256 powershell.exe 3548 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 4576 schtasks.exe 3200 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-671 = "AUS Eastern Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3628 powershell.exe 3628 powershell.exe 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3988 powershell.exe 3988 powershell.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4116 powershell.exe 4116 powershell.exe 4108 powershell.exe 4108 powershell.exe 4732 powershell.exe 4732 powershell.exe 1256 powershell.exe 1256 powershell.exe 3548 powershell.exe 3548 powershell.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 2812 csrss.exe 2812 csrss.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 2812 csrss.exe 2812 csrss.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 2812 csrss.exe 2812 csrss.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Token: SeImpersonatePrivilege 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 1256 powershell.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeSystemEnvironmentPrivilege 2812 csrss.exe Token: SeSecurityPrivilege 3948 sc.exe Token: SeSecurityPrivilege 3948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 464 wrote to memory of 3628 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 91 PID 464 wrote to memory of 3628 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 91 PID 464 wrote to memory of 3628 464 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 91 PID 3772 wrote to memory of 3988 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 97 PID 3772 wrote to memory of 3988 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 97 PID 3772 wrote to memory of 3988 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 97 PID 3772 wrote to memory of 2672 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 101 PID 3772 wrote to memory of 2672 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 101 PID 2672 wrote to memory of 4920 2672 cmd.exe 103 PID 2672 wrote to memory of 4920 2672 cmd.exe 103 PID 3772 wrote to memory of 4116 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 104 PID 3772 wrote to memory of 4116 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 104 PID 3772 wrote to memory of 4116 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 104 PID 3772 wrote to memory of 4108 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 106 PID 3772 wrote to memory of 4108 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 106 PID 3772 wrote to memory of 4108 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 106 PID 3772 wrote to memory of 2812 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 108 PID 3772 wrote to memory of 2812 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 108 PID 3772 wrote to memory of 2812 3772 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 108 PID 2812 wrote to memory of 4732 2812 csrss.exe 109 PID 2812 wrote to memory of 4732 2812 csrss.exe 109 PID 2812 wrote to memory of 4732 2812 csrss.exe 109 PID 2812 wrote to memory of 1256 2812 csrss.exe 115 PID 2812 wrote to memory of 1256 2812 csrss.exe 115 PID 2812 wrote to memory of 1256 2812 csrss.exe 115 PID 2812 wrote to memory of 3548 2812 csrss.exe 117 PID 2812 wrote to memory of 3548 2812 csrss.exe 117 PID 2812 wrote to memory of 3548 2812 csrss.exe 117 PID 2812 wrote to memory of 4752 2812 csrss.exe 119 PID 2812 wrote to memory of 4752 2812 csrss.exe 119 PID 4496 wrote to memory of 4468 4496 windefender.exe 127 PID 4496 wrote to memory of 4468 4496 windefender.exe 127 PID 4496 wrote to memory of 4468 4496 windefender.exe 127 PID 4468 wrote to memory of 3948 4468 cmd.exe 128 PID 4468 wrote to memory of 3948 4468 cmd.exe 128 PID 4468 wrote to memory of 3948 4468 cmd.exe 128 -
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\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3628
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C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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:3772 -
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:3988
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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:2672 -
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:4920
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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:4116
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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:4108
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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:2812 -
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:4732
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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:4576
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4712
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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:1256
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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:3548
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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:4752
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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:3200
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4496 -
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:4468 -
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:3948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4912
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
MD569bd4444d00297c84fb52fb6e3581873
SHA1989ea15e338686f20279d7f81b8936cbff157bab
SHA2568833ec09881f63b7498804f38b3f7e52565c76c3ca6bde693b214a41a28e646e
SHA512e1b2c0c33d01316a2045178f74aa522032674a8a8c6c2cb143157f6a0528e02e7c7e72fde730cdf1f06509a8e8c4788bc4acfb0f20a7d0750cc4c360101c9b7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df9bc87fc38a3fbe490491ba0d3ae47d
SHA1783d88acbdc62427cab27232bd7cdf4be8d5351d
SHA256d859b56674ea27e2912eac7a1c01c58d2091c039b40de0ca38568ae3d6b703db
SHA512dee67d95b2b955ed5a4d67d0574f63775b0a4a35b88c41d54372346819c2df4ce8ab16faedbe306f306cfcffba07bce86da51cce6987d584532b00f4f7fb2258
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fa8733c6add54a30743636ac640979a
SHA1cd321fa452efe778c6a9142dc06bb8b469e85649
SHA2561685282dcbcd34e5093c42037f9d6fe1ff42080bfab57f435241d7a7350e84d2
SHA512c7e926b3dc01c4417c0431d3ec0905bb72b855207020741e3185a0e058ed48c9b0f369f2aed0520beb83235bc93d9175169b586d73301055bcfc1c80dd6d9878
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd4324f538f5448e85726c7128b556f8
SHA197357743c7376f19e2750c0901e7a8ddb5af5d55
SHA2560b34847c1bb64d8766e58c9881ef0997ebb4b88b0db32b81f7199d1280b35293
SHA512994f32664a2d2a630809f39115783e49aa3c12a2b508dc7ef46cf9292cd9a8c012b30f774f5997914a07013e6470f36659e985170893f7865c1d293b80ca90c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f04ec60523c5423459bddfa99cdd70a7
SHA16a0ce47677992c5553bc512cdfb9f2654a45218b
SHA256dd62494ccf6ce1493668fea84241c378ede972ea8ca2c15316cded7f404cf4e2
SHA5129c8c72b761cde8ad90dede95404f98af8ca684b2dd9010f495deecabeecd98d32c5e98d3b9711837219f64278e1cf4e52736721ee93c6f71c03af710046ed2a0
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Filesize
4.1MB
MD5d83946b785aa670464c0ee497ae0026a
SHA12b48bfb70b8c7f0bbf5e90fc352c9be7135fc751
SHA2564ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5
SHA512327aae9846b1f3fe6d60e673b4b7ffb5ee2309b01b9e47974bdc1a9daf58a3516b197b5b7ccc33788b9e3196efed0249d4b19949377fc1029af85effef5eb505
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec