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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 01:45
Static task
static1
Behavioral task
behavioral1
Sample
59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe
Resource
win10v2004-20240508-en
General
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Target
59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe
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Size
4.1MB
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MD5
a6989debf84c5b49301ca164e042a923
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SHA1
d87bff3699bc338cfe74359330d9ba2776d37dd9
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SHA256
59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798
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SHA512
c81221eb06dcd4588042af5437be39ba0c3780b89269b4c7c992b96556784f35d5fad6819c422190e3a387797ee90e882ca1a104bd0da7803b428ee195206f79
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SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345xM:CLpT0YNaxn5wu5s59YL
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3840-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/3840-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3840-104-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2216-131-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3840-182-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/3840-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-210-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-220-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-246-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-252-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-255-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4484-258-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3280 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4484 csrss.exe 2456 injector.exe 1636 windefender.exe 4044 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023423-219.dat upx behavioral1/memory/1636-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4044-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4044-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4044-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe File created C:\Windows\rss\csrss.exe 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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 4440 sc.exe -
pid Process 5056 powershell.exe 2768 powershell.exe 908 powershell.exe 2884 powershell.exe 4276 powershell.exe 2928 powershell.exe 1604 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 1056 schtasks.exe 5096 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,-448 = "Azerbaijan Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America 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)" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5056 powershell.exe 5056 powershell.exe 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2768 powershell.exe 2768 powershell.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 908 powershell.exe 908 powershell.exe 908 powershell.exe 2884 powershell.exe 2884 powershell.exe 2884 powershell.exe 4276 powershell.exe 4276 powershell.exe 2928 powershell.exe 2928 powershell.exe 1604 powershell.exe 1604 powershell.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 4484 csrss.exe 4484 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 4484 csrss.exe 4484 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 4484 csrss.exe 4484 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Token: SeImpersonatePrivilege 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 908 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 2928 powershell.exe Token: SeDebugPrivilege 1604 powershell.exe Token: SeSystemEnvironmentPrivilege 4484 csrss.exe Token: SeSecurityPrivilege 4440 sc.exe Token: SeSecurityPrivilege 4440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3840 wrote to memory of 5056 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 85 PID 3840 wrote to memory of 5056 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 85 PID 3840 wrote to memory of 5056 3840 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 85 PID 2216 wrote to memory of 2768 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 96 PID 2216 wrote to memory of 2768 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 96 PID 2216 wrote to memory of 2768 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 96 PID 2216 wrote to memory of 1052 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 100 PID 2216 wrote to memory of 1052 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 100 PID 1052 wrote to memory of 3280 1052 cmd.exe 102 PID 1052 wrote to memory of 3280 1052 cmd.exe 102 PID 2216 wrote to memory of 908 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 103 PID 2216 wrote to memory of 908 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 103 PID 2216 wrote to memory of 908 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 103 PID 2216 wrote to memory of 2884 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 107 PID 2216 wrote to memory of 2884 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 107 PID 2216 wrote to memory of 2884 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 107 PID 2216 wrote to memory of 4484 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 109 PID 2216 wrote to memory of 4484 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 109 PID 2216 wrote to memory of 4484 2216 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 109 PID 4484 wrote to memory of 4276 4484 csrss.exe 110 PID 4484 wrote to memory of 4276 4484 csrss.exe 110 PID 4484 wrote to memory of 4276 4484 csrss.exe 110 PID 4484 wrote to memory of 2928 4484 csrss.exe 115 PID 4484 wrote to memory of 2928 4484 csrss.exe 115 PID 4484 wrote to memory of 2928 4484 csrss.exe 115 PID 4484 wrote to memory of 1604 4484 csrss.exe 118 PID 4484 wrote to memory of 1604 4484 csrss.exe 118 PID 4484 wrote to memory of 1604 4484 csrss.exe 118 PID 4484 wrote to memory of 2456 4484 csrss.exe 120 PID 4484 wrote to memory of 2456 4484 csrss.exe 120 PID 1636 wrote to memory of 3252 1636 windefender.exe 128 PID 1636 wrote to memory of 3252 1636 windefender.exe 128 PID 1636 wrote to memory of 3252 1636 windefender.exe 128 PID 3252 wrote to memory of 4440 3252 cmd.exe 129 PID 3252 wrote to memory of 4440 3252 cmd.exe 129 PID 3252 wrote to memory of 4440 3252 cmd.exe 129 -
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\59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe"C:\Users\Admin\AppData\Local\Temp\59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056
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C:\Users\Admin\AppData\Local\Temp\59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe"C:\Users\Admin\AppData\Local\Temp\59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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:2216 -
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:2768
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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:1052 -
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:3280
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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:908
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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:2884
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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:4484 -
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:4276
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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:1056
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1256
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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:2928
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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:1604
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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:2456
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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:5096
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1636 -
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:3252 -
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:4440
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4044
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5328e9427ecdeb4cb3678f42686193b67
SHA1c40e9f23609d829f60c1677b70f52570262795fc
SHA2567f21ef0faeb4ceb78a1745ae767a8aef36b7060d18fc530b59dd5c8fa7d69402
SHA51263e2f9659f57d8e29b78ca6f9255f718a3a9fb9003c27254ae842ad544a19850163b9d1ed79439580e82e0c32b648ce5b4467c02314b9f745393335400eb3f0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d37710c45ce8a03eb9fab3e83ae70f8
SHA1c0348603386528f559216fe5d0f4c54f5a3c9bdc
SHA256589cfc7693912a0152af0a2a95fa302c4119ce9aeac2f0a0fc2ed03abc7443eb
SHA512dc169113cab7ff332949dd85ff84728fd6685ce85b3236d0e480a5698951d7d0e3bc45883d44d723245215d43c771d8a66aabbef0d9a559a29c04065ac0b1c21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc9bbe0eca988b7ddb87d193217b845c
SHA149a8da5fffe7a04fbb360e27813415f135ee65bb
SHA25620eaf9100d607a1d5b6bfeae5baafdb6b234c17b501b08255c27881b214ca667
SHA51226939ef99fcd7a662e2ca4698eebd2899855b4165d948568059dead26bd922fca570f80df2c9ad0e92d7c62e6aa2220d65eb17e955e88e09395985d3966a244b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b6dc546569938599c757e9c723684de
SHA1e84576bf9394208b328079339cc2c3b3f5340465
SHA25624d6bb4f45537c10c5c2c9bc18d26922318088bbf81776cf1ff4f25941b02a69
SHA51270eae3015077615c01580a9c2cc9873e8c638e2071859c43e75de8bc3618213505a112818ce06eacb7cba6d43a0c5842f11ae577a94e884a00c1e00d21ded6aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bc65af0e2f1c07cfdc771fc8abbb17a
SHA1ad683b1b99851f9ad38a9a3e10286848d4b44cce
SHA256defb2e74c37e18aeb18c8ae59baa336e0630fd7b257ad243248f9228bb27db9b
SHA5125c97ebf44630e9b999656175845f94aea925c620d8166b53ec54b472e0aa88b9cad97fe3070e77c6fdd63d266275ed709c6548df45eca450c30aea11f65003ec
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Filesize
4.1MB
MD5a6989debf84c5b49301ca164e042a923
SHA1d87bff3699bc338cfe74359330d9ba2776d37dd9
SHA25659a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798
SHA512c81221eb06dcd4588042af5437be39ba0c3780b89269b4c7c992b96556784f35d5fad6819c422190e3a387797ee90e882ca1a104bd0da7803b428ee195206f79
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec