Analysis
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max time kernel
150s -
max time network
134s -
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 15:19
Static task
static1
Behavioral task
behavioral1
Sample
44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe
Resource
win10v2004-20240426-en
General
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Target
44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe
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Size
4.1MB
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MD5
389f3cdc133d6d3e2f6402be33f55080
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SHA1
fb2c0822f895b0d4c3a484c2ef47738850a5909f
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SHA256
44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065
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SHA512
4a9bc84bbb93a7d4da7653b648fbf1e5d07190c78e5fca91499aa87f4f5f99c07f99983e45b9eb4bd309829708b7d61be7ac36e2a0ec78351b71e6479e7f1b04
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SSDEEP
98304:6oJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/igt:6grNPOj9FQvccBDkmyddxD3VFiA
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4204-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/4204-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4204-42-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4204-57-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/4204-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4204-82-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3440-120-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3440-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3768-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1688 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3768 csrss.exe 4844 injector.exe 2284 windefender.exe 3052 windefender.exe -
resource yara_rule behavioral1/files/0x000a0000000233ac-222.dat upx behavioral1/memory/2284-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe File created C:\Windows\rss\csrss.exe 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe File created 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 4244 sc.exe -
pid Process 4428 powershell.exe 2152 powershell.exe 2736 powershell.exe 4844 powershell.exe 212 powershell.exe 1804 powershell.exe 3420 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 4068 schtasks.exe 456 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,-2632 = "Norfolk Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.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\@tzres.dll,-332 = "E. Europe Standard 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\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.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\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.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,-442 = "Arabian Standard 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\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard 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" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4428 powershell.exe 4428 powershell.exe 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 2152 powershell.exe 2152 powershell.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 2736 powershell.exe 2736 powershell.exe 4844 powershell.exe 4844 powershell.exe 212 powershell.exe 212 powershell.exe 1804 powershell.exe 1804 powershell.exe 3420 powershell.exe 3420 powershell.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 3768 csrss.exe 3768 csrss.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 3768 csrss.exe 3768 csrss.exe 4844 injector.exe 4844 injector.exe 3768 csrss.exe 3768 csrss.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Token: SeImpersonatePrivilege 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeSystemEnvironmentPrivilege 3768 csrss.exe Token: SeSecurityPrivilege 4244 sc.exe Token: SeSecurityPrivilege 4244 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4204 wrote to memory of 4428 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 92 PID 4204 wrote to memory of 4428 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 92 PID 4204 wrote to memory of 4428 4204 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 92 PID 3440 wrote to memory of 2152 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 98 PID 3440 wrote to memory of 2152 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 98 PID 3440 wrote to memory of 2152 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 98 PID 3440 wrote to memory of 3012 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 100 PID 3440 wrote to memory of 3012 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 100 PID 3012 wrote to memory of 1688 3012 cmd.exe 102 PID 3012 wrote to memory of 1688 3012 cmd.exe 102 PID 3440 wrote to memory of 2736 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 103 PID 3440 wrote to memory of 2736 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 103 PID 3440 wrote to memory of 2736 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 103 PID 3440 wrote to memory of 4844 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 121 PID 3440 wrote to memory of 4844 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 121 PID 3440 wrote to memory of 4844 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 121 PID 3440 wrote to memory of 3768 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 107 PID 3440 wrote to memory of 3768 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 107 PID 3440 wrote to memory of 3768 3440 44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe 107 PID 3768 wrote to memory of 212 3768 csrss.exe 108 PID 3768 wrote to memory of 212 3768 csrss.exe 108 PID 3768 wrote to memory of 212 3768 csrss.exe 108 PID 3768 wrote to memory of 1804 3768 csrss.exe 117 PID 3768 wrote to memory of 1804 3768 csrss.exe 117 PID 3768 wrote to memory of 1804 3768 csrss.exe 117 PID 3768 wrote to memory of 3420 3768 csrss.exe 119 PID 3768 wrote to memory of 3420 3768 csrss.exe 119 PID 3768 wrote to memory of 3420 3768 csrss.exe 119 PID 3768 wrote to memory of 4844 3768 csrss.exe 121 PID 3768 wrote to memory of 4844 3768 csrss.exe 121 PID 2284 wrote to memory of 3484 2284 windefender.exe 127 PID 2284 wrote to memory of 3484 2284 windefender.exe 127 PID 2284 wrote to memory of 3484 2284 windefender.exe 127 PID 3484 wrote to memory of 4244 3484 cmd.exe 128 PID 3484 wrote to memory of 4244 3484 cmd.exe 128 PID 3484 wrote to memory of 4244 3484 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe"C:\Users\Admin\AppData\Local\Temp\44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Users\Admin\AppData\Local\Temp\44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.exe"C:\Users\Admin\AppData\Local\Temp\44b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065.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:3440 -
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\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:3012 -
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:1688
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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:2736
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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:3768 -
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:212
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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:4068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5072
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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:1804
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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:3420
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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:4844
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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:456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2284 -
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:3484 -
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:4244
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3052
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
MD555790aa88e2fc50d8a9e56e50a106e6d
SHA1c426d2334d2022d4347dce516efce072813947ab
SHA2561cba620ddc5be90b34e6b9ca0d9d1347e0d1829b6eea45e046eba78d03f9f6df
SHA51219c6f90c93ee89c51dc6d4ffbb369ab21eb9e92e7cc09f1ae84e587fd7a30e5f142e47ac249d2db92f4627a8fdf2c5c89b23b2ecfa3e925823e0e2f26433d153
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528d9b234652651cf294aacd9d99d107e
SHA112ee2034bc0cd55f3bfe718c27f0eef575b1ae9d
SHA256874e0d9798b10c2a717455c5b168638958fda451a7b2887287740815116a963e
SHA51222e98df9fd875b8784a4eb6560dce00d5618b6eb80e6cc9959559ab7a91edcc5e2fad1d5bda7badf53748f17ce94d128a43407cb2f7931d57eb9eb678b0233e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e24952eeb8e6294aaee8b0ed290aa07
SHA1e1e38509f59f1bef5188634dfcedad05c95a5fae
SHA25632576c437429cb81c9aa6a54317ab9d30e4d403b865433690e80637d1e392ee4
SHA512404e2f05f6f8518379bb4384d01f7e3ff37ff9a43bc67e6b01219bdc4d05a0825cdf52f4135233515db77c26a26bca7c017f899084b6039a904ad10bd134785a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51991061173e0136d90358e7bcbe9c889
SHA12872aadcbe8975b404405f20118ed76bb70b63f5
SHA2567584b1e03fb91d518cff80c5e94b51a80af12efe2ca0a74d7fa791a60dff4f45
SHA512568934ee32d04710f560d4b6912bf5e009860fa52bd10813de530b3090f098a88f76ae8402301905214a239ceb693ed5d06a5fd91fcd74e9b8afe3fba1c4beaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d29dd61feb44d7739c598bb2e601e17b
SHA1cdcf863c62ffbe7443b655d7e7743c5f57f5b851
SHA25691c5ab8cf69a03a803c7d80f099a65f771c380d5415f5db482cffa50c22407c9
SHA512851fab08ae09605deb6d9d6674bda8131cbbb2886e5435098a0f8ba0da71c9166870845e694f2baab5745a43e94760c3e108067c4f31aa2f308db5e2539d94c2
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Filesize
4.1MB
MD5389f3cdc133d6d3e2f6402be33f55080
SHA1fb2c0822f895b0d4c3a484c2ef47738850a5909f
SHA25644b554dece2046b48d3d47dea5bfb8e0a58ccf5b1f8b3bd5090e07739e0c3065
SHA5124a9bc84bbb93a7d4da7653b648fbf1e5d07190c78e5fca91499aa87f4f5f99c07f99983e45b9eb4bd309829708b7d61be7ac36e2a0ec78351b71e6479e7f1b04
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec