Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/05/2024, 07:08
Static task
static1
Behavioral task
behavioral1
Sample
111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe
Resource
win10v2004-20240508-en
General
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Target
111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe
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Size
4.1MB
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MD5
215a5f99738548fb93b934c6a7dd1245
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SHA1
30b8acf03ef1a5769a1f55e7eb8f3e579a1d16a1
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SHA256
111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f
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SHA512
40302955cad481e8e76675c70ca15b11320e5e556b08ce4369162c0493c75642d272d012e64e048b362e64793c73bbcaeb2a341136742a376d37e7c65e5fb3a4
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SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiL9U:bIU7SlV8K2X2AhEHFgekcV
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1232-2-0x0000000004E20000-0x000000000570B000-memory.dmp family_glupteba behavioral2/memory/1232-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1232-54-0x0000000004E20000-0x000000000570B000-memory.dmp family_glupteba behavioral2/memory/1232-53-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1232-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3988-64-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3988-128-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-141-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-205-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4824-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4824 csrss.exe 1616 injector.exe 4796 windefender.exe 2868 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c1-208.dat upx behavioral2/memory/4796-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4796-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2868-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2868-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2868-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe File created C:\Windows\rss\csrss.exe 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2972 sc.exe -
pid Process 784 powershell.exe 2152 powershell.exe 1812 powershell.exe 1676 powershell.exe 4748 powershell.exe 880 powershell.exe 2228 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 3584 schtasks.exe 424 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" 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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-1021 = "Bangladesh Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 powershell.exe 2228 powershell.exe 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 784 powershell.exe 784 powershell.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 2152 powershell.exe 2152 powershell.exe 1812 powershell.exe 1812 powershell.exe 1676 powershell.exe 1676 powershell.exe 4748 powershell.exe 4748 powershell.exe 880 powershell.exe 880 powershell.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4824 csrss.exe 4824 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4824 csrss.exe 4824 csrss.exe 1616 injector.exe 1616 injector.exe 4824 csrss.exe 4824 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Token: SeImpersonatePrivilege 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 880 powershell.exe Token: SeSystemEnvironmentPrivilege 4824 csrss.exe Token: SeSecurityPrivilege 2972 sc.exe Token: SeSecurityPrivilege 2972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1232 wrote to memory of 2228 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 82 PID 1232 wrote to memory of 2228 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 82 PID 1232 wrote to memory of 2228 1232 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 82 PID 3988 wrote to memory of 784 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 87 PID 3988 wrote to memory of 784 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 87 PID 3988 wrote to memory of 784 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 87 PID 3988 wrote to memory of 4692 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 89 PID 3988 wrote to memory of 4692 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 89 PID 4692 wrote to memory of 4084 4692 cmd.exe 91 PID 4692 wrote to memory of 4084 4692 cmd.exe 91 PID 3988 wrote to memory of 2152 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 92 PID 3988 wrote to memory of 2152 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 92 PID 3988 wrote to memory of 2152 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 92 PID 3988 wrote to memory of 1812 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 94 PID 3988 wrote to memory of 1812 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 94 PID 3988 wrote to memory of 1812 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 94 PID 3988 wrote to memory of 4824 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 96 PID 3988 wrote to memory of 4824 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 96 PID 3988 wrote to memory of 4824 3988 111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe 96 PID 4824 wrote to memory of 1676 4824 csrss.exe 97 PID 4824 wrote to memory of 1676 4824 csrss.exe 97 PID 4824 wrote to memory of 1676 4824 csrss.exe 97 PID 4824 wrote to memory of 4748 4824 csrss.exe 102 PID 4824 wrote to memory of 4748 4824 csrss.exe 102 PID 4824 wrote to memory of 4748 4824 csrss.exe 102 PID 4824 wrote to memory of 880 4824 csrss.exe 105 PID 4824 wrote to memory of 880 4824 csrss.exe 105 PID 4824 wrote to memory of 880 4824 csrss.exe 105 PID 4824 wrote to memory of 1616 4824 csrss.exe 107 PID 4824 wrote to memory of 1616 4824 csrss.exe 107 PID 4796 wrote to memory of 3440 4796 windefender.exe 113 PID 4796 wrote to memory of 3440 4796 windefender.exe 113 PID 4796 wrote to memory of 3440 4796 windefender.exe 113 PID 3440 wrote to memory of 2972 3440 cmd.exe 114 PID 3440 wrote to memory of 2972 3440 cmd.exe 114 PID 3440 wrote to memory of 2972 3440 cmd.exe 114 -
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\111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe"C:\Users\Admin\AppData\Local\Temp\111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Users\Admin\AppData\Local\Temp\111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.exe"C:\Users\Admin\AppData\Local\Temp\111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f.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:3988 -
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:784
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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:4692 -
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:4084
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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:2152
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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:1812
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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:4824 -
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:1676
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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:3584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1460
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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:4748
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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:880
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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:1616
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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:424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4796 -
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:3440 -
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:2972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2868
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d57299e4486b1d6316e79519f76bce9
SHA1ec77521f0789d94bca87cfc5bc433f3ca6b5820e
SHA256c1df956d41f4e1e009f0fc9a077a7c7fa0958c444496faa2ee701f38dd298f26
SHA512e716decb69a50c0ea62963b8e978dff8170c68b5e4dc0a73bcfa6e87f174e68f2f64849196baf6177ea926691474f6a713f25fe462352232ae7b4ea17ad80d32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbafcb3b731b2ef3671abf20011829db
SHA1d2476a1dd52fb522cd645afea0cc772b8c14599a
SHA2564bab14b7d537acdc7fa3c7d25e06e1ddc188cab5d0eb330fa762497d4290312d
SHA5127a2e0023065544ca2c3291eb8e3da573918a0b4425a7df0dbc3204388d56bf03e5ac149abaed267fec0abdd6d526876a0f5b71b23293a367911e92d809612e6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e51ab60e1d248b9fd63a1f84d34b21a1
SHA16e9595110a2125c6353b32d71b5aa6838265bfa6
SHA2562e92ff539b3ea9c826f6346a481d557ccbaa36d49e502dd00e54ee019bb2a81a
SHA512c5b2cc4359ae7cb23e93143308292394a96fa7cb87c3bf1c06fc0ddcc13e12b431aca73baa51f8a69a60df7b9d5da50a2d6402a10fa3bbcff3916047e92bd326
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD513d6f1bfe2aa173b55443454d6b44e97
SHA1d1b0b0fb9495842f18425dba4d256c96aaba8901
SHA256e37717aec7bdbe0352a9c681255b8b784283c6a18306010dd3750d7f5daf6829
SHA512833d7ab57123525e6115e164be7c1d960389ef8f984d1b9ad9294e6fb13674c01e3289c02d8a76b54e7e4fd430089dc15f83e938e6b93182c813a4434d40a969
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5739e93503400a91aa81c8cba08fa8b0d
SHA1dc21fa26e96f553e6e2398ccfac0570dd57f49d0
SHA256a1dc35971c5539184eea70bb5be65ea3d704f37e95168899746503f8ef94dbd2
SHA51268c590f2f5e0a1fff787c470bc21d3c98302d9fbb3c9d979e0e536913a444df8c3f3e466a05974793354f056172f670b82bc4e954f6dae4d67cc771a625bfe57
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Filesize
4.1MB
MD5215a5f99738548fb93b934c6a7dd1245
SHA130b8acf03ef1a5769a1f55e7eb8f3e579a1d16a1
SHA256111c364de2057c601502b59c4e11f5d3bf58a028f99e09e77f94d04199bfa42f
SHA51240302955cad481e8e76675c70ca15b11320e5e556b08ce4369162c0493c75642d272d012e64e048b362e64793c73bbcaeb2a341136742a376d37e7c65e5fb3a4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec