Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe
Resource
win10v2004-20240412-en
General
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Target
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe
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Size
4.2MB
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MD5
9b170885117769e075526c5dda642cf6
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SHA1
b59d0a9e51648c63a700a1bf1f40dad956d389cd
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SHA256
16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4
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SHA512
417886cdf1b37f424a44c00b1689d25945f168b791a309c4e26c1ef3b39f273feeea38437503d5c0e5b5ad61e0fa23eb2315bb7bf62d4a648988beacb9b7be8b
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCp:OAu+ENnjVyYiVNw4Y
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1348-2-0x0000000004150000-0x0000000004A3B000-memory.dmp family_glupteba behavioral1/memory/1348-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2036-47-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2036-48-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/1348-49-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2036-128-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2036-130-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2036-151-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-261-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1376-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1376 csrss.exe 2428 injector.exe 3736 windefender.exe 5032 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023444-254.dat upx behavioral1/memory/3736-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe File created C:\Windows\rss\csrss.exe 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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 4672 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4672 4776 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3476 schtasks.exe 2144 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4776 powershell.exe 4776 powershell.exe 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2556 powershell.exe 2556 powershell.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 4768 powershell.exe 4768 powershell.exe 5004 powershell.exe 5004 powershell.exe 4880 powershell.exe 4880 powershell.exe 3628 powershell.exe 3628 powershell.exe 3048 powershell.exe 3048 powershell.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 1376 csrss.exe 1376 csrss.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 1376 csrss.exe 1376 csrss.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 1376 csrss.exe 1376 csrss.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Token: SeImpersonatePrivilege 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeSystemEnvironmentPrivilege 1376 csrss.exe Token: SeSecurityPrivilege 4672 sc.exe Token: SeSecurityPrivilege 4672 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1348 wrote to memory of 4776 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 86 PID 1348 wrote to memory of 4776 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 86 PID 1348 wrote to memory of 4776 1348 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 86 PID 2036 wrote to memory of 2556 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 97 PID 2036 wrote to memory of 2556 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 97 PID 2036 wrote to memory of 2556 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 97 PID 2036 wrote to memory of 4576 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 99 PID 2036 wrote to memory of 4576 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 99 PID 4576 wrote to memory of 2116 4576 cmd.exe 101 PID 4576 wrote to memory of 2116 4576 cmd.exe 101 PID 2036 wrote to memory of 4768 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 102 PID 2036 wrote to memory of 4768 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 102 PID 2036 wrote to memory of 4768 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 102 PID 2036 wrote to memory of 5004 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 104 PID 2036 wrote to memory of 5004 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 104 PID 2036 wrote to memory of 5004 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 104 PID 2036 wrote to memory of 1376 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 106 PID 2036 wrote to memory of 1376 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 106 PID 2036 wrote to memory of 1376 2036 16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe 106 PID 1376 wrote to memory of 4880 1376 csrss.exe 107 PID 1376 wrote to memory of 4880 1376 csrss.exe 107 PID 1376 wrote to memory of 4880 1376 csrss.exe 107 PID 1376 wrote to memory of 3628 1376 csrss.exe 112 PID 1376 wrote to memory of 3628 1376 csrss.exe 112 PID 1376 wrote to memory of 3628 1376 csrss.exe 112 PID 1376 wrote to memory of 3048 1376 csrss.exe 115 PID 1376 wrote to memory of 3048 1376 csrss.exe 115 PID 1376 wrote to memory of 3048 1376 csrss.exe 115 PID 1376 wrote to memory of 2428 1376 csrss.exe 117 PID 1376 wrote to memory of 2428 1376 csrss.exe 117 PID 3736 wrote to memory of 1236 3736 windefender.exe 124 PID 3736 wrote to memory of 1236 3736 windefender.exe 124 PID 3736 wrote to memory of 1236 3736 windefender.exe 124 PID 1236 wrote to memory of 4672 1236 cmd.exe 125 PID 1236 wrote to memory of 4672 1236 cmd.exe 125 PID 1236 wrote to memory of 4672 1236 cmd.exe 125 -
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\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 25403⤵
- Program crash
PID:4672
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C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.exe"C:\Users\Admin\AppData\Local\Temp\16a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4.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:2036 -
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:2556
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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:4576 -
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:2116
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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:4768
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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:5004
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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:1376 -
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:4880
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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:3476
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2192
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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:3628
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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:3048
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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:2428
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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:2144
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3736 -
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:1236 -
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:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4776 -ip 47761⤵PID:4580
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5032
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b744f61ead40fd544dac2de28dcd52cd
SHA1b6b14aa668039641dcb27e188c40e675b2e28a2e
SHA256a361378897997987386bf43761627a66e8fc754042331a70c5003f5b8b6d19da
SHA5121a97cc586ca7a4653221401d9eae181c7ec5e2ab26f4f47b48dc77ff31659bf0a2e8dd3d7e628886f9a978ffc91cc9ceb995f8cbe41694942a357d2fd8ef255b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59126905635e22df4d43dfd2c8c68384c
SHA1e8f6325eacfad669b0147f22d4c148008bf6fe93
SHA2563e3977e96e6c0c5af14c2b023502a7188f3d146e26531b48faad515e4b2df1de
SHA5122ea3b50d0cadfcf6a2cca734f76f983395c6ca80534074d11ac4a00703353e498ecbbeb580270734c00eeb66ff90039f707ca28ddafc3f32aa4ce03b0e1c584e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5500bd774462c3a7ff20b7336296594a3
SHA108cd4c479da3d4e3941778645fb2ac7fe9a864af
SHA256709d82e10809af422d21543bd0021210062d3757b22fd04f6ff6d6e8eabc8a6f
SHA51219f988539015a63b3fc1127e2ffbfd3c244745cd568a0338b58784afa9257d6fc348bee8eddfafe6428668b11df63fcfb4dada7391257f44a1509c98df264ce7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d7e6338fe6a5bbb6bc6d393370d09eb
SHA1e3e29f5175d9433d739292c9c1efe39005e9a2db
SHA256633adeb02138fe6dea8a60cbafd3155711ed5fb8478957aa59d127abe4778ff8
SHA51272d9b55942b207c7ec296d5fb201f756b80b63765f68caef26334b14fa26247887fdf42c7ce2e61d1c1d2ce1711bf0b27931cf2bac199fb681b259bf55a98721
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564f7339b83fc36208ccd4f7118b4c79f
SHA1ad2449149eb22d2a8c419f37217404c55f0d90d1
SHA256a6ea11b15336f0d35e0a2601e24df8ee613dbd95788e52f30b0cb8a3fcaad09f
SHA51277a76f18c2da334a108f6a79ecd9ef86a729c71fd431dd9444c09e50c8318ca9eb2a27323fd00a696b1d8d6b188f5df5166d2616c19863b6e3dda175bb5f0064
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Filesize
4.2MB
MD59b170885117769e075526c5dda642cf6
SHA1b59d0a9e51648c63a700a1bf1f40dad956d389cd
SHA25616a75cc0804bebc88d21a9361d8d054f90831617c8dbe58f964b31df5c550ac4
SHA512417886cdf1b37f424a44c00b1689d25945f168b791a309c4e26c1ef3b39f273feeea38437503d5c0e5b5ad61e0fa23eb2315bb7bf62d4a648988beacb9b7be8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec