Analysis
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max time kernel
161s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 14:00
Static task
static1
Behavioral task
behavioral1
Sample
6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe
Resource
win7-20230831-en
General
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Target
6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe
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Size
4.2MB
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MD5
388e6636e2e970494efd9b24a89b0564
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SHA1
a74b8a2d419009735faf41b42aa182444aa36ea4
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SHA256
6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e
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SHA512
04900ef4a0ff81e287f09c00d24c3df1bf6e4bc16816d24643c0a0d3d730609ff0a131954d474364eb96cfe0f38cdf29f92f3930397684316efeeb7198d47fb5
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SSDEEP
98304:FUwGpYEOGiX6u6fb2lEQa9BIW1jXPevmAMS1Dw28:yXZO7p6fb2lLCnP/S1y
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4572-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/4572-3-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/4572-31-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/4572-48-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/4572-58-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/2748-60-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/2748-90-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/2748-101-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/2748-163-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-170-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-205-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-220-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-270-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-271-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-272-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-280-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-282-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba behavioral2/memory/232-290-0x0000000000400000-0x000000000297F000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4216 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 232 csrss.exe 1048 injector.exe 4892 windefender.exe 4032 windefender.exe 1988 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral2/files/0x0008000000023204-275.dat upx behavioral2/files/0x0008000000023204-277.dat upx behavioral2/files/0x0008000000023204-278.dat upx behavioral2/memory/4892-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4032-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x0008000000023207-286.dat upx behavioral2/files/0x0008000000023207-288.dat upx behavioral2/memory/4032-289-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe File created C:\Windows\rss\csrss.exe 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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 2896 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4876 4572 WerFault.exe 84 396 2748 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2188 schtasks.exe 3868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2944 powershell.exe 2944 powershell.exe 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 4240 powershell.exe 4240 powershell.exe 4240 powershell.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 5100 powershell.exe 5100 powershell.exe 4064 powershell.exe 4064 powershell.exe 208 powershell.exe 208 powershell.exe 4304 powershell.exe 4304 powershell.exe 4436 powershell.exe 4436 powershell.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 232 csrss.exe 232 csrss.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 232 csrss.exe 232 csrss.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe 1048 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Token: SeImpersonatePrivilege 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 208 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeSystemEnvironmentPrivilege 232 csrss.exe Token: SeSecurityPrivilege 2896 sc.exe Token: SeSecurityPrivilege 2896 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4572 wrote to memory of 2944 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 87 PID 4572 wrote to memory of 2944 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 87 PID 4572 wrote to memory of 2944 4572 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 87 PID 2748 wrote to memory of 4240 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 102 PID 2748 wrote to memory of 4240 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 102 PID 2748 wrote to memory of 4240 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 102 PID 2748 wrote to memory of 4872 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 105 PID 2748 wrote to memory of 4872 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 105 PID 4872 wrote to memory of 4216 4872 cmd.exe 107 PID 4872 wrote to memory of 4216 4872 cmd.exe 107 PID 2748 wrote to memory of 5100 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 108 PID 2748 wrote to memory of 5100 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 108 PID 2748 wrote to memory of 5100 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 108 PID 2748 wrote to memory of 4064 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 110 PID 2748 wrote to memory of 4064 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 110 PID 2748 wrote to memory of 4064 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 110 PID 2748 wrote to memory of 232 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 112 PID 2748 wrote to memory of 232 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 112 PID 2748 wrote to memory of 232 2748 6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe 112 PID 232 wrote to memory of 208 232 csrss.exe 115 PID 232 wrote to memory of 208 232 csrss.exe 115 PID 232 wrote to memory of 208 232 csrss.exe 115 PID 232 wrote to memory of 4304 232 csrss.exe 120 PID 232 wrote to memory of 4304 232 csrss.exe 120 PID 232 wrote to memory of 4304 232 csrss.exe 120 PID 232 wrote to memory of 4436 232 csrss.exe 123 PID 232 wrote to memory of 4436 232 csrss.exe 123 PID 232 wrote to memory of 4436 232 csrss.exe 123 PID 232 wrote to memory of 1048 232 csrss.exe 125 PID 232 wrote to memory of 1048 232 csrss.exe 125 PID 4892 wrote to memory of 564 4892 windefender.exe 131 PID 4892 wrote to memory of 564 4892 windefender.exe 131 PID 4892 wrote to memory of 564 4892 windefender.exe 131 PID 564 wrote to memory of 2896 564 cmd.exe 132 PID 564 wrote to memory of 2896 564 cmd.exe 132 PID 564 wrote to memory of 2896 564 cmd.exe 132 PID 232 wrote to memory of 1988 232 csrss.exe 137 PID 232 wrote to memory of 1988 232 csrss.exe 137 PID 232 wrote to memory of 1988 232 csrss.exe 137 -
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\6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe"C:\Users\Admin\AppData\Local\Temp\6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Users\Admin\AppData\Local\Temp\6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.exe"C:\Users\Admin\AppData\Local\Temp\6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e.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:2748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4240
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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:4872 -
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:4216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4064
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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:232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:208
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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:2188
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4620
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436
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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:1048
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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:3868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4892 -
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:564 -
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:2896
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:1988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 6803⤵
- Program crash
PID:396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 7562⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4572 -ip 45721⤵PID:2428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2748 -ip 27481⤵PID:3584
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:4032
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58379b406f5d15bdf2411b55944cfaea6
SHA126d6f080067d401d5424e16d69a1d91f1c8aa074
SHA256348e001b3113669220cd76723c76c4ddf3d43e7fc1655fa20cd7f56c581a2ac5
SHA512bb00164262dc4aff205c609fbed4b4501e3a19b1e2be13f756bc970d3aa9257ead96a6f57bb50d9bbffbdc236441501c2e77e3822bbabf03f0fe7967013bbc80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4a1e27e390edec8977cc81324613d18
SHA1da7becfce9e9e1e4f4a191d544f6f1194b37110f
SHA256cb4670b9cacb3411d454526ba5631d701b6215326cc04cf7e289ecc7dd646721
SHA512b2c45303f19b783043c2566d94a2c9c9415848e2aa9fe97ddb36c4dec3b5c7cd1d0dc78f5e11edfdbb8e228dae4129955e0f36767dafcba2a75ae7ca60b25f53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58864cb4ed318a733c3d69748ce717952
SHA110b34876d8b8589a58a241e8a1ee99f57c929162
SHA256ba23884dd763417e083ce5e9b3c4bfedc75bfc81aa0d24a346ffce40cae6d936
SHA512f2f65815137d407919d6b3273d4d92fc628d341706327e277607c956542d36e57e839019e1955fea75863945b8c9df451a297f88d21df4cc9e3ddec3f1c39c37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5662f1fea29f7bd8be5c1d293c9b7cfcd
SHA1eeef443d08d1391f19cb36f05565f3b36c59cd1b
SHA25607fc1af1b466701cf3e8a9a8e846b801b636b8873ffb03970b10659a1a6ec788
SHA5124ae213ea7babc591ed643995e2ce962ad4994bdfa792409ca751040381f6910c5ff51523bdad634a0e74ed849068e5d53f8924ede9748755968a16269246d6e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa34a2181f6b155ab4f5e6b4c4b3e1c1
SHA1dda3fbf0a3f576887404a7624580fe2ebc78e444
SHA25672135fa1e43ea043e658eeddf9a4809fe7bdd8da8770610f51fbcd222135ba90
SHA51223302f4dd833ecc19f0b6f08042477aeae1e46d4f73aad619bc7517df7b9f2321d1ab9d2609d73b136f30497278dff6b964873951ab8b08fb2837b9269610a4b
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Filesize
4.2MB
MD5388e6636e2e970494efd9b24a89b0564
SHA1a74b8a2d419009735faf41b42aa182444aa36ea4
SHA2566fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e
SHA51204900ef4a0ff81e287f09c00d24c3df1bf6e4bc16816d24643c0a0d3d730609ff0a131954d474364eb96cfe0f38cdf29f92f3930397684316efeeb7198d47fb5
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Filesize
4.2MB
MD5388e6636e2e970494efd9b24a89b0564
SHA1a74b8a2d419009735faf41b42aa182444aa36ea4
SHA2566fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e
SHA51204900ef4a0ff81e287f09c00d24c3df1bf6e4bc16816d24643c0a0d3d730609ff0a131954d474364eb96cfe0f38cdf29f92f3930397684316efeeb7198d47fb5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec