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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
04/05/2024, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe
Resource
win10v2004-20240426-en
General
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Target
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe
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Size
4.2MB
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MD5
4ad68289e2c7f80765fafa32efdced31
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SHA1
09f6a09f506a1b7a27fdee6dcc4d314771fffefc
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SHA256
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8
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SHA512
51390a089c35595dcbd7c32fad18c59ad873a6c3f767fc8d51a6f57698b98e858ccc5142de1449504ececab489d381310e8dfd1aa104b9ff0a47196e4e33c35c
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SSDEEP
98304:WmSdBJVF/sadCcVup8cliXqsi9lykt/Z+2I6NciPMqY/zZV:WL5rvCVi6sEDRZCgbrYb/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3196-2-0x00000000050F0000-0x00000000059DB000-memory.dmp family_glupteba behavioral2/memory/3196-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3196-35-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/3196-49-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3196-51-0x00000000050F0000-0x00000000059DB000-memory.dmp family_glupteba behavioral2/memory/3196-48-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/4232-87-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/4232-126-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-137-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-199-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-210-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-217-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-220-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-223-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-226-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-229-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-232-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-235-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2812-238-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2812 csrss.exe 1864 injector.exe 3476 windefender.exe 2872 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab24-208.dat upx behavioral2/memory/3476-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2872-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3476-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2872-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2872-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe File created C:\Windows\rss\csrss.exe 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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 2776 sc.exe -
pid Process 2876 powershell.exe 1976 powershell.exe 2396 powershell.exe 5084 powershell.exe 4920 powershell.exe 3060 powershell.exe 2400 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 3368 schtasks.exe 4068 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,-351 = "FLE Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-182 = "Mountain Standard Time (Mexico)" 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\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard 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)" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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,-141 = "Canada Central 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes 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\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1976 powershell.exe 1976 powershell.exe 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 2396 powershell.exe 2396 powershell.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 5084 powershell.exe 5084 powershell.exe 4920 powershell.exe 4920 powershell.exe 3060 powershell.exe 3060 powershell.exe 2400 powershell.exe 2400 powershell.exe 2876 powershell.exe 2876 powershell.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 2812 csrss.exe 2812 csrss.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 2812 csrss.exe 2812 csrss.exe 1864 injector.exe 1864 injector.exe 2812 csrss.exe 2812 csrss.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Token: SeImpersonatePrivilege 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeSystemEnvironmentPrivilege 2812 csrss.exe Token: SeSecurityPrivilege 2776 sc.exe Token: SeSecurityPrivilege 2776 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3196 wrote to memory of 1976 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 81 PID 3196 wrote to memory of 1976 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 81 PID 3196 wrote to memory of 1976 3196 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 81 PID 4232 wrote to memory of 2396 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 86 PID 4232 wrote to memory of 2396 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 86 PID 4232 wrote to memory of 2396 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 86 PID 4232 wrote to memory of 4224 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 88 PID 4232 wrote to memory of 4224 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 88 PID 4224 wrote to memory of 3860 4224 cmd.exe 90 PID 4224 wrote to memory of 3860 4224 cmd.exe 90 PID 4232 wrote to memory of 5084 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 4232 wrote to memory of 5084 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 4232 wrote to memory of 5084 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 4232 wrote to memory of 4920 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 93 PID 4232 wrote to memory of 4920 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 93 PID 4232 wrote to memory of 4920 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 93 PID 4232 wrote to memory of 2812 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 95 PID 4232 wrote to memory of 2812 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 95 PID 4232 wrote to memory of 2812 4232 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 95 PID 2812 wrote to memory of 3060 2812 csrss.exe 96 PID 2812 wrote to memory of 3060 2812 csrss.exe 96 PID 2812 wrote to memory of 3060 2812 csrss.exe 96 PID 2812 wrote to memory of 2400 2812 csrss.exe 102 PID 2812 wrote to memory of 2400 2812 csrss.exe 102 PID 2812 wrote to memory of 2400 2812 csrss.exe 102 PID 2812 wrote to memory of 2876 2812 csrss.exe 104 PID 2812 wrote to memory of 2876 2812 csrss.exe 104 PID 2812 wrote to memory of 2876 2812 csrss.exe 104 PID 2812 wrote to memory of 1864 2812 csrss.exe 106 PID 2812 wrote to memory of 1864 2812 csrss.exe 106 PID 3476 wrote to memory of 2236 3476 windefender.exe 112 PID 3476 wrote to memory of 2236 3476 windefender.exe 112 PID 3476 wrote to memory of 2236 3476 windefender.exe 112 PID 2236 wrote to memory of 2776 2236 cmd.exe 113 PID 2236 wrote to memory of 2776 2236 cmd.exe 113 PID 2236 wrote to memory of 2776 2236 cmd.exe 113 -
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\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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:4232 -
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:2396
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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:4224 -
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:3860
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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:5084
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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:4920
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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:2812 -
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:3060
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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:3368
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1420
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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:2400
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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:2876
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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:1864
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3476 -
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:2236 -
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:2776
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2872
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
MD5b8760b23d05bc11361f4dc4c7a473f64
SHA1b63f52ac06d951d388a6ad5633c25bf89efb77b8
SHA256eaa0652615288e0cc7c6c2a378a8660075fca1e7ae27746f85757911c625c2a0
SHA5121bcf8933c9b9d38031eb16051b45ee9125926f189288fcc5633d9045c3faed94d041a0b49513a0420304c2c3222d1033a10c4439b0a4815b882ae1d1a981ec1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508c70c96e46ada7f86d8b6e1223ba571
SHA1f9070e71c5034ac0d3f64e21d1b8eb15b519b02d
SHA25692eab042231ad4840ec921cfb51d9b37fcd144b7b41c77dd463e61ffccbd78db
SHA512e947d9b49c1428efd08e2fa9756dd4f64c1d34c0152bc63d8f4024894a2f9669f20bf202b8a5909c541a05f1d2424e0382b909c4700c36e3e317a7195bdd34c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d59ae71c8961933bdbccdc8c11d7358
SHA10261bbd4585ba1d85f4c28afec97c1b0ce267af8
SHA256689866664408edb3ff65dc3746f9dd9c6f2cdc1a2c2ac06813bd88804cc1252e
SHA5127a1b0785d8e2dc769fc4aa9c3dcb3d043510a090099c8a0b584a8111c2ee6fdec4917c611a882fa55482a76e463dc38677ac40a2b22780da56545dad1239c35b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c366b0a2390f86eb3f3a42cdc20fd1bd
SHA1c702d057a351e90921c7c916294eb9a1f76cb9dc
SHA256c35b3906d4ac513571d58d522370836aa298fead0082deed357655570edc0043
SHA512a12ee9ac91c04d9b1ff73747c3769ebe2440d96dee6e361dc60cafc46373cb2d3f484d248145e655e5900702e0764301e4291890ca1d7c9c9ea8e4f35985ae0e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585fd53ccf3b19f782e9f861807449124
SHA1216b086e93aa92ae8f92fd51e04596e72ae37d85
SHA256019d56a90a2a2d559909c685c1a991fdbdd47cf1fe7d524c40ea6add41d4e726
SHA5129586999931555c8218a37e939351ae8f7ba3aa3ea6927c14d8be49ee841cee9e8a76d314c909b9d80aa4f1c8d22d3c6f0ea538f12961577c366e912c8b202a43
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Filesize
4.2MB
MD54ad68289e2c7f80765fafa32efdced31
SHA109f6a09f506a1b7a27fdee6dcc4d314771fffefc
SHA2569acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8
SHA51251390a089c35595dcbd7c32fad18c59ad873a6c3f767fc8d51a6f57698b98e858ccc5142de1449504ececab489d381310e8dfd1aa104b9ff0a47196e4e33c35c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec