Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2023 11:10
Static task
static1
General
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Target
1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe
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Size
4.2MB
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MD5
c2b3d262bfa5829970d08cddbdcc73fb
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SHA1
f1491fb15aee4486762b5c81a64135a2463a7372
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SHA256
1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb
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SHA512
c9149f9386778abfaad98dbb03ac6ba1bc12d8aa328dccc46e637e0d016378cb5411bb2d85010914c402fd727e756e48e0a79906278bf0aab7c7eb592110eb27
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SSDEEP
98304:Odp4TLJ5vJ+ug5muAkrlUKw4tUUs78+s0hZNrQCTUJRr3rhRyP+F3:wpqLJ5jCmuA2Rw4ul8F0hLrJgJtbfXR
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/4692-134-0x0000000003050000-0x000000000393B000-memory.dmp family_glupteba behavioral1/memory/4692-157-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4692-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/812-218-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/812-267-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-330-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-354-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-357-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-360-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-363-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-366-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-369-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-372-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-375-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-378-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2680-381-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3616 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2680 csrss.exe 452 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe File created C:\Windows\rss\csrss.exe 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.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 3404 schtasks.exe 4076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4384 powershell.exe 4384 powershell.exe 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 3296 powershell.exe 3296 powershell.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 3220 powershell.exe 3220 powershell.exe 4276 powershell.exe 4276 powershell.exe 3504 powershell.exe 3504 powershell.exe 4728 powershell.exe 4728 powershell.exe 3892 powershell.exe 3892 powershell.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 2680 csrss.exe 2680 csrss.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 2680 csrss.exe 2680 csrss.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Token: SeImpersonatePrivilege 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 3504 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeSystemEnvironmentPrivilege 2680 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4692 wrote to memory of 4384 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 85 PID 4692 wrote to memory of 4384 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 85 PID 4692 wrote to memory of 4384 4692 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 85 PID 812 wrote to memory of 3296 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 90 PID 812 wrote to memory of 3296 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 90 PID 812 wrote to memory of 3296 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 90 PID 812 wrote to memory of 4628 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 92 PID 812 wrote to memory of 4628 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 92 PID 4628 wrote to memory of 3616 4628 cmd.exe 94 PID 4628 wrote to memory of 3616 4628 cmd.exe 94 PID 812 wrote to memory of 3220 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 95 PID 812 wrote to memory of 3220 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 95 PID 812 wrote to memory of 3220 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 95 PID 812 wrote to memory of 4276 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 98 PID 812 wrote to memory of 4276 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 98 PID 812 wrote to memory of 4276 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 98 PID 812 wrote to memory of 2680 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 100 PID 812 wrote to memory of 2680 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 100 PID 812 wrote to memory of 2680 812 1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe 100 PID 2680 wrote to memory of 3504 2680 csrss.exe 101 PID 2680 wrote to memory of 3504 2680 csrss.exe 101 PID 2680 wrote to memory of 3504 2680 csrss.exe 101 PID 2680 wrote to memory of 4728 2680 csrss.exe 106 PID 2680 wrote to memory of 4728 2680 csrss.exe 106 PID 2680 wrote to memory of 4728 2680 csrss.exe 106 PID 2680 wrote to memory of 3892 2680 csrss.exe 109 PID 2680 wrote to memory of 3892 2680 csrss.exe 109 PID 2680 wrote to memory of 3892 2680 csrss.exe 109 PID 2680 wrote to memory of 452 2680 csrss.exe 114 PID 2680 wrote to memory of 452 2680 csrss.exe 114 -
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\1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe"C:\Users\Admin\AppData\Local\Temp\1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4384
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C:\Users\Admin\AppData\Local\Temp\1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.exe"C:\Users\Admin\AppData\Local\Temp\1161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb.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:812 -
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:3296
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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:4628 -
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:3616
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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:3220
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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:4276
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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:2680 -
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:3504
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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:3404
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4828
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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:4728
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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:3892
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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:452
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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:4076
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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
MD551c56bc200f2e62b52ac7039d746a8f1
SHA19a8c42b98591fd766d691b0b080d061215965b94
SHA256f361d0f36b979d5539e57f34f2d2c9b1be42db483b80e18e573c44cfb7c1c6f0
SHA512151a2aa6089651161fe98f98f88672a943a3da8335187d2116b53aad2708cdc1e4dfeb1d2bf27600d9e143be504350f7db603c7464e1119ad291aa10b59b7006
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bbb90b5484c3949072c87967826c427
SHA13c6c39bea02a363cfe9119a5561dad091e5f0cb5
SHA2561a9aff39eb4a1698afb1d1f5725914d2c0b7e07f7f6523ab18c83c1c4b201b21
SHA51200e57565b5d13efea77b9a34a27f17ac791e376497c6dcb06f5eec35de1464077093fe1b47d24dd74c5934e2b3b6e4d5d4903b276423bbd9be0422e6968006fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b50f77a091ce291b653def83b7df0e8
SHA1ae72c454930fb5135d6152afc2afc65ddae2ba4b
SHA256dd8402b0f4f421c9b963733b1469b705fd9fa255e6351507170bb64e3a3ce27a
SHA51269b0db13bb3d4eb33a0fa868ee98915fc966aa8b46b39710c21481f67c369bbb53193f6dd5ec2b4f42d68d93e5c5822d349e24f2b20f55350753683e2a735c4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56deb9324f4a854da35e31359c67aaac6
SHA19a8d551184c097f95d19df3b7fded21bd8be3234
SHA2566672d202d9cad1b2475f6200793ae5cc01e88a15f35239dc2690355d56659066
SHA512ff73efc73ce145f2e256b38081e73c6d5964c1b668ff915a48746f78974130243bc47e3c834aa7fa76b697fda57ea33adf6f473124257ce915ca14ba7fe1b893
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5399826461d32579e64399254312d9d3a
SHA12d5e5c22165b83246198a3ea9147d0b90e8e01e1
SHA256597ad96535aecf8108dad3c0734ebdb213c2362b80a4f9d8da892e7d1b22cd23
SHA51249b983c5ab2af5f9ede69ad8b0efa267136c198d65277b88df21647f87ba62a0f9341868fdf3825b80b84533baf2b47a06ce27b52cb1f169ff0c5bb45cc62cf4
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Filesize
4.2MB
MD5c2b3d262bfa5829970d08cddbdcc73fb
SHA1f1491fb15aee4486762b5c81a64135a2463a7372
SHA2561161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb
SHA512c9149f9386778abfaad98dbb03ac6ba1bc12d8aa328dccc46e637e0d016378cb5411bb2d85010914c402fd727e756e48e0a79906278bf0aab7c7eb592110eb27
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Filesize
4.2MB
MD5c2b3d262bfa5829970d08cddbdcc73fb
SHA1f1491fb15aee4486762b5c81a64135a2463a7372
SHA2561161d65c622325d8a9aa0b7281c14277f38e92752f8f238ed8bba7b4225f94eb
SHA512c9149f9386778abfaad98dbb03ac6ba1bc12d8aa328dccc46e637e0d016378cb5411bb2d85010914c402fd727e756e48e0a79906278bf0aab7c7eb592110eb27