Analysis
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max time kernel
145s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
24/10/2023, 09:33
Static task
static1
General
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Target
c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe
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Size
4.1MB
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MD5
8158e51cc150ca09aa9baf447bf37ca8
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SHA1
912931eed9bc99fe5986bb4da6f97f19b8b66017
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SHA256
c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923
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SHA512
a2476c1c733052193b74e2731715205de9341ed87c56f28b709eb773cb67b0d6718dffb504fdeef827288cb41d8343cec0ad5e9894919f76ea8fdf829e1158de
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SSDEEP
98304:1j7R9DnlJziGkBtFKCYsoVtujqhntwjYHfrCQRFx:dDlkltssoVtujqhJrnx
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/1756-2-0x0000000003140000-0x0000000003A2B000-memory.dmp family_glupteba behavioral1/memory/1756-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1756-28-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1756-30-0x0000000003140000-0x0000000003A2B000-memory.dmp family_glupteba behavioral1/memory/3288-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1756-73-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3288-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3288-98-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3288-150-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3288-187-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-206-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-259-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2648-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3744 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2648 csrss.exe 3528 injector.exe 4464 windefender.exe 8 windefender.exe 4708 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022d51-263.dat upx behavioral1/files/0x0007000000022d51-265.dat upx behavioral1/files/0x0007000000022d51-266.dat upx behavioral1/memory/4464-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/8-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/8-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0006000000022d52-286.dat upx behavioral1/files/0x0006000000022d52-288.dat upx behavioral1/memory/8-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4708-293-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4708-295-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe File created C:\Windows\rss\csrss.exe c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.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 4184 sc.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 3304 schtasks.exe 4256 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.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\1a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\1a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 860 powershell.exe 860 powershell.exe 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 5056 powershell.exe 5056 powershell.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 2780 powershell.exe 2780 powershell.exe 3360 powershell.exe 3360 powershell.exe 3068 powershell.exe 3068 powershell.exe 1216 powershell.exe 1216 powershell.exe 4692 powershell.exe 4692 powershell.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 2648 csrss.exe 2648 csrss.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 2648 csrss.exe 2648 csrss.exe 3528 injector.exe 3528 injector.exe 2648 csrss.exe 2648 csrss.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 860 powershell.exe Token: SeDebugPrivilege 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Token: SeImpersonatePrivilege 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 2780 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeSystemEnvironmentPrivilege 2648 csrss.exe Token: SeSecurityPrivilege 4184 sc.exe Token: SeSecurityPrivilege 4184 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1756 wrote to memory of 860 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 81 PID 1756 wrote to memory of 860 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 81 PID 1756 wrote to memory of 860 1756 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 81 PID 3288 wrote to memory of 5056 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 86 PID 3288 wrote to memory of 5056 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 86 PID 3288 wrote to memory of 5056 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 86 PID 3288 wrote to memory of 3540 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 88 PID 3288 wrote to memory of 3540 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 88 PID 3540 wrote to memory of 3744 3540 cmd.exe 90 PID 3540 wrote to memory of 3744 3540 cmd.exe 90 PID 3288 wrote to memory of 2780 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 92 PID 3288 wrote to memory of 2780 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 92 PID 3288 wrote to memory of 2780 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 92 PID 3288 wrote to memory of 3360 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 93 PID 3288 wrote to memory of 3360 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 93 PID 3288 wrote to memory of 3360 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 93 PID 3288 wrote to memory of 2648 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 95 PID 3288 wrote to memory of 2648 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 95 PID 3288 wrote to memory of 2648 3288 c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe 95 PID 2648 wrote to memory of 3068 2648 csrss.exe 96 PID 2648 wrote to memory of 3068 2648 csrss.exe 96 PID 2648 wrote to memory of 3068 2648 csrss.exe 96 PID 2648 wrote to memory of 1216 2648 csrss.exe 102 PID 2648 wrote to memory of 1216 2648 csrss.exe 102 PID 2648 wrote to memory of 1216 2648 csrss.exe 102 PID 2648 wrote to memory of 4692 2648 csrss.exe 104 PID 2648 wrote to memory of 4692 2648 csrss.exe 104 PID 2648 wrote to memory of 4692 2648 csrss.exe 104 PID 2648 wrote to memory of 3528 2648 csrss.exe 106 PID 2648 wrote to memory of 3528 2648 csrss.exe 106 PID 4464 wrote to memory of 1176 4464 windefender.exe 112 PID 4464 wrote to memory of 1176 4464 windefender.exe 112 PID 4464 wrote to memory of 1176 4464 windefender.exe 112 PID 1176 wrote to memory of 4184 1176 cmd.exe 113 PID 1176 wrote to memory of 4184 1176 cmd.exe 113 PID 1176 wrote to memory of 4184 1176 cmd.exe 113 PID 2648 wrote to memory of 4708 2648 csrss.exe 115 PID 2648 wrote to memory of 4708 2648 csrss.exe 115 PID 2648 wrote to memory of 4708 2648 csrss.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe"C:\Users\Admin\AppData\Local\Temp\c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860
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C:\Users\Admin\AppData\Local\Temp\c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.exe"C:\Users\Admin\AppData\Local\Temp\c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923.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:3288 -
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:5056
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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:3540 -
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:3744
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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:2780
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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:3360
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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:2648 -
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:3068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4332
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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:4256
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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:1216
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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:4692
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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:3528
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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:3304
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4464 -
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:1176 -
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:4184
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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:4708 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1264
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:8
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
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5258406d71de669444e4c2a6e7a1217f3
SHA169d9510a943c5a6bc21993ccf35b8454e524b6f0
SHA256d6d8556a3b4747c7717a35402a2b29482792468521f2553cec70a5d231790806
SHA5124b6cfa5f5154379d4124b6ab8ca4f66d71947fa334494e1ab1a415fa91d26a8e2d8eb74f038d8479bd18b44964f872103328b6e4c0b1e5e8e59857b9dd5250e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583b02ec47cbb9461ee623d724229381d
SHA17d7206ea3943fbe97215a0df71a62a2b7815dcfd
SHA25618941c00d568d417f0f726fa026c6255655215d74e861a022c8fad6a4a599f3f
SHA5123b75db78d6270f06fca3743733a8d7694818f41d799a230bcdfba72d9c1e7afe969736b7ccb064d4924f4c32e6a50e07a6c7697c3d98ffdd6477ab9e27f9ea73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac5a8729a26a22a0daf44bac40a6f2b3
SHA1640a8eb439156835415b3dd70ecc2c9c1b2045d4
SHA2563f99bdfc6452a6bd6384539fee13887d4409bf331d6e2f30603502661633fd96
SHA5121606994e288c86ad2245fd6e329fe38fde76f05b8abee15984b995b2afbad9e978b37ac1366a4d3896cff57d7f5d2637b91b72db4b4686c6fdf654caf589c24a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5204009e21110f4b3249f48295034b824
SHA17485e4b65f8b519f8681e1baa17cc9c6a3524eba
SHA2560988fa2ca22a8f3a93fb422342f5b23fe5516192162dd2753d374c926cc3cc5d
SHA51230632d0c3e7e2a1134fe06478aa3e94031ceba465cc125225bf21c4d0eac099e911641fff34d75ca10507836f563997aa72a14996ad2a07e5f4347ee6673a7dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5cf68ccafe11e152368a842365d70d2
SHA15d958e386662cd9aafd2fad61f18d3b0b79b4d9b
SHA256566978f4b58eee828997e8434bae8f6217dc8b3639f50d928275e64e7f9b6ded
SHA512d109cb61c10c0eb8ee86f33df641a7325c6e8f17f45bb60483eb8d47d7efeca68b8e347539ebc106540a2e98389e58c632e3e5f3f955d87bd8b501a86981397c
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Filesize
4.1MB
MD58158e51cc150ca09aa9baf447bf37ca8
SHA1912931eed9bc99fe5986bb4da6f97f19b8b66017
SHA256c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923
SHA512a2476c1c733052193b74e2731715205de9341ed87c56f28b709eb773cb67b0d6718dffb504fdeef827288cb41d8343cec0ad5e9894919f76ea8fdf829e1158de
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Filesize
4.1MB
MD58158e51cc150ca09aa9baf447bf37ca8
SHA1912931eed9bc99fe5986bb4da6f97f19b8b66017
SHA256c0d6dbf419e12ed2b4bed93fb1e626cb20ebffc1d3c12ba1f8c7f833087f5923
SHA512a2476c1c733052193b74e2731715205de9341ed87c56f28b709eb773cb67b0d6718dffb504fdeef827288cb41d8343cec0ad5e9894919f76ea8fdf829e1158de
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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