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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 20 IoCs
resource yara_rule behavioral2/memory/72-2-0x0000000004AC0000-0x00000000053AB000-memory.dmp family_glupteba behavioral2/memory/72-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/72-96-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/72-109-0x0000000004AC0000-0x00000000053AB000-memory.dmp family_glupteba behavioral2/memory/1052-108-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1052-124-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/72-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3688-200-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-216-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-220-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-223-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3688-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3600 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3688 csrss.exe 1328 injector.exe 3496 windefender.exe 1172 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002aa44-205.dat upx behavioral2/memory/3496-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3496-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1172-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 -
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 1060 sc.exe -
pid Process 3424 powershell.exe 700 powershell.exe 1212 powershell.exe 1248 powershell.exe 1836 powershell.exe 2172 powershell.exe 4520 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 4976 schtasks.exe 440 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard 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,-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,-2771 = "Omsk Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\@tzres.dll,-364 = "Middle East Daylight Time" windefender.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.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,-751 = "Tonga Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-1972 = "Belarus 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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 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,-752 = "Tonga Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3424 powershell.exe 3424 powershell.exe 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 700 powershell.exe 700 powershell.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 1212 powershell.exe 1212 powershell.exe 1248 powershell.exe 1248 powershell.exe 1836 powershell.exe 1836 powershell.exe 2172 powershell.exe 2172 powershell.exe 4520 powershell.exe 4520 powershell.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 3688 csrss.exe 3688 csrss.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 3688 csrss.exe 3688 csrss.exe 1328 injector.exe 1328 injector.exe 3688 csrss.exe 3688 csrss.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe 1328 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Token: SeImpersonatePrivilege 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe Token: SeDebugPrivilege 700 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 2172 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeSystemEnvironmentPrivilege 3688 csrss.exe Token: SeSecurityPrivilege 1060 sc.exe Token: SeSecurityPrivilege 1060 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 72 wrote to memory of 3424 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 81 PID 72 wrote to memory of 3424 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 81 PID 72 wrote to memory of 3424 72 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 81 PID 1052 wrote to memory of 700 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 88 PID 1052 wrote to memory of 700 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 88 PID 1052 wrote to memory of 700 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 88 PID 1052 wrote to memory of 228 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 90 PID 1052 wrote to memory of 228 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 90 PID 228 wrote to memory of 3600 228 cmd.exe 92 PID 228 wrote to memory of 3600 228 cmd.exe 92 PID 1052 wrote to memory of 1212 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 93 PID 1052 wrote to memory of 1212 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 93 PID 1052 wrote to memory of 1212 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 93 PID 1052 wrote to memory of 1248 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 95 PID 1052 wrote to memory of 1248 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 95 PID 1052 wrote to memory of 1248 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 95 PID 1052 wrote to memory of 3688 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 97 PID 1052 wrote to memory of 3688 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 97 PID 1052 wrote to memory of 3688 1052 59a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798.exe 97 PID 3688 wrote to memory of 1836 3688 csrss.exe 98 PID 3688 wrote to memory of 1836 3688 csrss.exe 98 PID 3688 wrote to memory of 1836 3688 csrss.exe 98 PID 3688 wrote to memory of 2172 3688 csrss.exe 104 PID 3688 wrote to memory of 2172 3688 csrss.exe 104 PID 3688 wrote to memory of 2172 3688 csrss.exe 104 PID 3688 wrote to memory of 4520 3688 csrss.exe 106 PID 3688 wrote to memory of 4520 3688 csrss.exe 106 PID 3688 wrote to memory of 4520 3688 csrss.exe 106 PID 3688 wrote to memory of 1328 3688 csrss.exe 108 PID 3688 wrote to memory of 1328 3688 csrss.exe 108 PID 3496 wrote to memory of 3312 3496 windefender.exe 119 PID 3496 wrote to memory of 3312 3496 windefender.exe 119 PID 3496 wrote to memory of 3312 3496 windefender.exe 119 PID 3312 wrote to memory of 1060 3312 cmd.exe 120 PID 3312 wrote to memory of 1060 3312 cmd.exe 120 PID 3312 wrote to memory of 1060 3312 cmd.exe 120 -
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:72 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3424
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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:1052 -
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:700
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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:228 -
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:3600
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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:1212
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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:1248
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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:3688 -
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:1836
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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:440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1564
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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:2172
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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:4520
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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:1328
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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:4976
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3496 -
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:3312 -
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:1060
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1172
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf66127c7c3fbb6a8111d358c2186ff5
SHA1ae49813f8ede7ea9ed5e46e760b608d4c736f022
SHA256cba27fbbb774a6ab135659c12d94dbea40b82849d034b715d7cbdec6f4e85612
SHA5126d629760867c14fb48542178dcac17ea445a77b877e6cd84b93289edbfb2ba54544d71adc5b99548676d1774a92cf1fce16cedf70967c5287477ce3736a83b5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5483dfb0720e704ac4f4be04c84e37ffd
SHA15923a09e5b4ee6abe2f2a9c6c033a1d65d1432af
SHA25638b823c0b97f0edb94c2b9ae1e3bfdfc98336f21f47161b0370d092388cdcf8f
SHA51252e8bddc1946f7bcaf3629291dbe5bd23c488963b98d9bbf11cae19d6b9ded4b5cfe9cda28c0d6a8cbe3d8b3d6c6c55a29f78f8280a4ff470e9b224e54ddb87c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ff2c58c299b770278b4439bba7e2e0b
SHA149685a8d41dc5d26a6b1382553a0967f5d39f8b7
SHA256ee2d8a591e25a5bc5914f06e6794e4011f52a8ad61070babe13c1a9bf48b2112
SHA512bb396b952e14cf5defcfea9ee398e85d372003799b99c7b886e607fa584d281543b09e3645a85cc9af50f103b64cb5176c2581a1a534ea2854690ee490e2ffca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5664da88049d831a342ba046eb5283e5f
SHA11b89a37fcba8b4baa698a1f26e9ccc75ea29ba05
SHA2560386ea52c6497960dd5db60f8e8bb6eb0f906e91f9524c96201f802b5795df0b
SHA51267991cbbf21917612986e6346e48abd4454daae750972b769deecf5bc0f958dd4f683b553c12b258658a241dfe8a829aa33b212248bb51b7a800daa8a7ef664d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589b2cfabb10d2e34376896f12a853b63
SHA1080cc1602c77a9244fa75ef60c16702a378ff6e1
SHA2562ce997ae12b732358fcdc1fae5681168ee93d51c022ee4c0f4e76836d4e3dfb5
SHA5126b9b43fefad4bd64e35164ca06aef09a671a3e337ea81f8af167a4691a8bbaced1ace7b30409167bca5bc4e9b50c4c81461e29b7680bf71ee82cd96c9af23146
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Filesize
4.1MB
MD5a6989debf84c5b49301ca164e042a923
SHA1d87bff3699bc338cfe74359330d9ba2776d37dd9
SHA25659a72c9b254632c6fdba62bd9ff6dff5b8376574f19003b23dd752a03fb20798
SHA512c81221eb06dcd4588042af5437be39ba0c3780b89269b4c7c992b96556784f35d5fad6819c422190e3a387797ee90e882ca1a104bd0da7803b428ee195206f79
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec