Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe
Resource
win10v2004-20240426-en
General
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Target
54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe
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Size
4.1MB
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MD5
08b4fc6b28dd2a507ede95d737479649
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SHA1
1860df206c2ca5685fca2fdbdc33bd21eee08d55
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SHA256
54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75
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SHA512
245e08e72662958b48bd13f1a3a8ec1b1547a40575c8737cbe542355bd5d8266630e6400ebaf973f069c8c4b8245e3a0131c8564bd0d5379de88eccf4475e5a0
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNo:E4G/GRAB9MdaGBolx/WzuK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1344-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/1344-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1344-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1344-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1344-58-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/1344-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3552-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4800-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4712 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4800 csrss.exe 3128 injector.exe 4340 windefender.exe 1824 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023430-224.dat upx behavioral1/memory/4340-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1824-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1824-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1824-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.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 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe File created C:\Windows\rss\csrss.exe 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2280 sc.exe -
pid Process 3912 powershell.exe 4616 powershell.exe 4712 powershell.exe 5040 powershell.exe 3548 powershell.exe 1692 powershell.exe 4844 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 1192 schtasks.exe 4552 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\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard 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\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5040 powershell.exe 5040 powershell.exe 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3548 powershell.exe 3548 powershell.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 1692 powershell.exe 1692 powershell.exe 4844 powershell.exe 4844 powershell.exe 3912 powershell.exe 3912 powershell.exe 4616 powershell.exe 4616 powershell.exe 4712 powershell.exe 4712 powershell.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 4800 csrss.exe 4800 csrss.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 4800 csrss.exe 4800 csrss.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 4800 csrss.exe 4800 csrss.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe 3128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Token: SeImpersonatePrivilege 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeSystemEnvironmentPrivilege 4800 csrss.exe Token: SeSecurityPrivilege 2280 sc.exe Token: SeSecurityPrivilege 2280 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1344 wrote to memory of 5040 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 95 PID 1344 wrote to memory of 5040 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 95 PID 1344 wrote to memory of 5040 1344 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 95 PID 3552 wrote to memory of 3548 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 101 PID 3552 wrote to memory of 3548 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 101 PID 3552 wrote to memory of 3548 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 101 PID 3552 wrote to memory of 1200 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 103 PID 3552 wrote to memory of 1200 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 103 PID 1200 wrote to memory of 4712 1200 cmd.exe 120 PID 1200 wrote to memory of 4712 1200 cmd.exe 120 PID 3552 wrote to memory of 1692 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 106 PID 3552 wrote to memory of 1692 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 106 PID 3552 wrote to memory of 1692 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 106 PID 3552 wrote to memory of 4844 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 108 PID 3552 wrote to memory of 4844 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 108 PID 3552 wrote to memory of 4844 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 108 PID 3552 wrote to memory of 4800 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 110 PID 3552 wrote to memory of 4800 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 110 PID 3552 wrote to memory of 4800 3552 54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe 110 PID 4800 wrote to memory of 3912 4800 csrss.exe 111 PID 4800 wrote to memory of 3912 4800 csrss.exe 111 PID 4800 wrote to memory of 3912 4800 csrss.exe 111 PID 4800 wrote to memory of 4616 4800 csrss.exe 117 PID 4800 wrote to memory of 4616 4800 csrss.exe 117 PID 4800 wrote to memory of 4616 4800 csrss.exe 117 PID 4800 wrote to memory of 4712 4800 csrss.exe 120 PID 4800 wrote to memory of 4712 4800 csrss.exe 120 PID 4800 wrote to memory of 4712 4800 csrss.exe 120 PID 4800 wrote to memory of 3128 4800 csrss.exe 123 PID 4800 wrote to memory of 3128 4800 csrss.exe 123 PID 4340 wrote to memory of 5068 4340 windefender.exe 129 PID 4340 wrote to memory of 5068 4340 windefender.exe 129 PID 4340 wrote to memory of 5068 4340 windefender.exe 129 PID 5068 wrote to memory of 2280 5068 cmd.exe 130 PID 5068 wrote to memory of 2280 5068 cmd.exe 130 PID 5068 wrote to memory of 2280 5068 cmd.exe 130 -
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\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe"C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe"C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.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:3552 -
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:3548
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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:1200 -
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:4712
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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:1692
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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:4844
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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:4800 -
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:3912
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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:1192
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2476
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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:4616
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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:4712
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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:3128
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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:4552
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4340 -
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:5068 -
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:2280
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1824
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c86276de2b4ca6ac8ef35996227b573
SHA1c94560cb9ee6af8573023dfd0a7ef48fbd9a00cb
SHA25662e48b2fe4cc3194c4cd9e56961894e828a37ae3b14f82004069363142c7363f
SHA5128f869ee4f7e75a4e8df3b4010cd76e53b25999667068701eef05bcbb295c9c7084ba88aba193ddbef3802ef6ac73adcc3126005885326c10fedad1d0056dd2b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ed395617f1cf257090d0b08341c4658
SHA1682fa1e907298a63cb0c39807a24f7ff5279039f
SHA256684e424f671c3d97e5c8562a32afc10cbc0251760a7f3566e8a37efb8007382d
SHA512ecf1528d215d93c826a1e1f36ca2925382e1d963b57263af21f4916e9e004bb333cd025b01a20f149eb5d54dad003f90cadb5ad4ea5278147e8ee7574883a7cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b935445d98027705577954aae9c768c
SHA1e6c91d8659321c0974223268afa47b286facfa14
SHA256a7e88fa457ad18f41d224c5ff73a3d624ee647cce7ed324f7b9ed2ecab823d26
SHA5129dc1df69a13003d6449573e7703c7ad4ab52ee533e76424caf1e664d6878916f0f3d3d4cecfb6972f13da7c3f501ede52566579fcbb6bb718a3a73a183e9e6a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b16b52acf4ce09ce92698c10a438802
SHA1d6770e2a664a45276043ee2751ad03f67932b3bd
SHA256ca6900a2afffb8a11e2311dfe2a4358d67a327fe41a009ef3034cd794e538428
SHA5125584541646feab3d7487fb6dec83414baa04d2d27927e5c5ad2dacada6dc4b3fdac1fe10c4a42318e225b2e29bb11d17ea62c85ce2ad9774d37567bcd852e4e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b865aa932cb0c16504999585fb32c0b8
SHA1f8b900fe652baedb88b9af6bc0827276e93d8ebd
SHA25642777e589d7968fcbe01effa4df7770bc7ce457cf7adc0becd66ba0f39b1eb10
SHA5122f44aab7da65c330235f4dac390ab99abd3e19718220b26c14e892b7f89a2da73f13d25cd920f99c3e6a96b9b05d07d5d907809f757fd9f5642eb304e3e4a9f9
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Filesize
4.1MB
MD508b4fc6b28dd2a507ede95d737479649
SHA11860df206c2ca5685fca2fdbdc33bd21eee08d55
SHA25654016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75
SHA512245e08e72662958b48bd13f1a3a8ec1b1547a40575c8737cbe542355bd5d8266630e6400ebaf973f069c8c4b8245e3a0131c8564bd0d5379de88eccf4475e5a0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec