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Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
26/05/2023, 16:04
Static task
static1
General
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Target
523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe
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Size
4.2MB
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MD5
f8519b876e4f813506a7f61f0428f975
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SHA1
5702c9455e185a5ac956c6bda05c6966deb1d07d
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SHA256
523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd
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SHA512
bcce10cb03c8f39d98128e25dfe9c9bfc270a7352bd94931ee9ce93097b368ff75175d118564d78073f2a70a7ac7d08fccddb1475d5bd6957d9fbbbdadcecba5
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SSDEEP
98304:Qjuhrt7Qnbbz6hxJNuTSe6LpUsLTOHJq0LJM6b1YnRw:MuhrtMbX6hxJ4TSe6Le8T70LJZeO
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/632-134-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/632-170-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/632-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3368-208-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3368-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-321-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-353-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-355-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-357-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-359-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-361-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-363-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-365-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-367-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-369-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4228-371-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 60 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4228 csrss.exe 2288 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe File created C:\Windows\rss\csrss.exe 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.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 1952 schtasks.exe 3208 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.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\ProxyBypass = "1" 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2056 powershell.exe 2056 powershell.exe 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 2616 powershell.exe 2616 powershell.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 1768 powershell.exe 1768 powershell.exe 4596 powershell.exe 4596 powershell.exe 2940 powershell.exe 2940 powershell.exe 2056 powershell.exe 2056 powershell.exe 2216 powershell.exe 2216 powershell.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 4228 csrss.exe 4228 csrss.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 4228 csrss.exe 4228 csrss.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Token: SeImpersonatePrivilege 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 1768 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 4228 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 632 wrote to memory of 2056 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 84 PID 632 wrote to memory of 2056 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 84 PID 632 wrote to memory of 2056 632 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 84 PID 3368 wrote to memory of 2616 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 94 PID 3368 wrote to memory of 2616 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 94 PID 3368 wrote to memory of 2616 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 94 PID 3368 wrote to memory of 1744 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 96 PID 3368 wrote to memory of 1744 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 96 PID 1744 wrote to memory of 60 1744 cmd.exe 98 PID 1744 wrote to memory of 60 1744 cmd.exe 98 PID 3368 wrote to memory of 1768 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 99 PID 3368 wrote to memory of 1768 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 99 PID 3368 wrote to memory of 1768 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 99 PID 3368 wrote to memory of 4596 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 101 PID 3368 wrote to memory of 4596 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 101 PID 3368 wrote to memory of 4596 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 101 PID 3368 wrote to memory of 4228 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 104 PID 3368 wrote to memory of 4228 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 104 PID 3368 wrote to memory of 4228 3368 523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe 104 PID 4228 wrote to memory of 2940 4228 csrss.exe 105 PID 4228 wrote to memory of 2940 4228 csrss.exe 105 PID 4228 wrote to memory of 2940 4228 csrss.exe 105 PID 4228 wrote to memory of 2056 4228 csrss.exe 111 PID 4228 wrote to memory of 2056 4228 csrss.exe 111 PID 4228 wrote to memory of 2056 4228 csrss.exe 111 PID 4228 wrote to memory of 2216 4228 csrss.exe 113 PID 4228 wrote to memory of 2216 4228 csrss.exe 113 PID 4228 wrote to memory of 2216 4228 csrss.exe 113 PID 4228 wrote to memory of 2288 4228 csrss.exe 115 PID 4228 wrote to memory of 2288 4228 csrss.exe 115 -
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\523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe"C:\Users\Admin\AppData\Local\Temp\523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056
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C:\Users\Admin\AppData\Local\Temp\523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.exe"C:\Users\Admin\AppData\Local\Temp\523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd.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:3368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
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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:1744 -
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:60
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940
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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:1952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1224
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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:2288
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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:3208
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Network
MITRE ATT&CK Enterprise v6
Replay 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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c14efc1c1c76d601ed7d2d539b511e2f
SHA153811504b0199656f38eda1c52253aba5fb08bc6
SHA2563b13a12f0832fdc1b0f333104712d91a23a0871525c454934f227c96b2463dfc
SHA512ffd76bbfbc4b5062d7139b411ecbf51098bbfbb894cff72c007b280e8bb19aa4b3e479d11a90bff5a6fc691a3f0786d610dc40d00392825c6a22b4e9dc4111a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b289a91205ded886068d7601d85bd32
SHA1437b001db52759384346ef74d9700af73376ac91
SHA256c942166c26dbdffd95863168f6e814f3266b1493523f747d6726c8c2923c6918
SHA5123096505bb7c315872decfc6072b42b8473c83352160b69e08bd940d0463dba19f61fcb0fd70aeefdb152f8e8e0c71f35bed761d07b32d5bff5f030f2ef455bd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f8c20de3b8ca55ad3eb7a24690d70cd
SHA11f73e1fea6c9f2b46740d1e7a8c90cbbc862bf74
SHA2560c4a03686ac6fea60e7339cfacec9bf4ff407b550ef40dd25a09a8f38a10d38e
SHA5124aceccd9ca04fcc61faf4f24bc3ccad0d47fa5e1f5cb73802e6210c67e826617142a90ab1f610d05a94c47f5735f87584e41ccfef3d133494966193d435f6733
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f5a0d4be3ff340cb5dad0f99dba8339
SHA1ce9812ae2b869702a5d244886ceb2859f4c1bf7e
SHA2561eb4a8fdce5db2834298f0bcd2d0b5aab7818b06300e7443e988e50eb4edd0f2
SHA512ae796bab3f2c0013e3b210adaf11a0e4557543e50a919c42c5a3d98e86282f5b7cd503d0224dbbea13535f1dabd81288fd4d47da8e3d00f5c61cfd5b6473f08d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555d57adac7071142d8cc5221cff39bd7
SHA13278f0366561506559938cde8dc9d8c000ee4777
SHA2563d5c5335d0759998bf392059ba93ec36c178ea739bd0ccbdf56f21f905c2b188
SHA51232abf8b17e4ca1032b6630ae34871e40c84d6c0e1e86ffe5143fe074fb169c547450ae1a3e81176ca880e14ace44b023e1e126daddd6005d8da0657edc82030d
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Filesize
4.2MB
MD5f8519b876e4f813506a7f61f0428f975
SHA15702c9455e185a5ac956c6bda05c6966deb1d07d
SHA256523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd
SHA512bcce10cb03c8f39d98128e25dfe9c9bfc270a7352bd94931ee9ce93097b368ff75175d118564d78073f2a70a7ac7d08fccddb1475d5bd6957d9fbbbdadcecba5
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Filesize
4.2MB
MD5f8519b876e4f813506a7f61f0428f975
SHA15702c9455e185a5ac956c6bda05c6966deb1d07d
SHA256523670e0386477c8b2b8276efc1ee61b49e9babb4515e57d7b1f9ba6b6ebcccd
SHA512bcce10cb03c8f39d98128e25dfe9c9bfc270a7352bd94931ee9ce93097b368ff75175d118564d78073f2a70a7ac7d08fccddb1475d5bd6957d9fbbbdadcecba5