Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 19:08
Static task
static1
Behavioral task
behavioral1
Sample
24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe
Resource
win10v2004-20240419-en
General
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Target
24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe
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Size
4.1MB
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MD5
38f15631eb20bbe8624185544f6cbdf2
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SHA1
b82c00c710105f456bf5c60ee9a7cd7e8638f0e2
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SHA256
24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851
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SHA512
5a5d9878d5136f83842a3df25110f5b8da0ec18bae422ebeb38ad1399ab823babc60c1f3a3672b73ca43d82a8d0551810186634f5fd401fe27485e7f98623fcc
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SSDEEP
98304:XfdvvxsKsILAm36siThwHiaydC4FMRNVHNMc:Xf1vB/LAQ8liXaC4wNVHic
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1644-2-0x0000000004EF0000-0x00000000057DB000-memory.dmp family_glupteba behavioral1/memory/1644-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1644-28-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1644-60-0x0000000004EF0000-0x00000000057DB000-memory.dmp family_glupteba behavioral1/memory/1644-59-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2888-61-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2888-139-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-153-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-168-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-225-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-228-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-231-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-234-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-237-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-240-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-243-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-246-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4392-249-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2176 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4392 csrss.exe 3664 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe File opened for modification C:\Windows\rss 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.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 1240 schtasks.exe 2684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 852 powershell.exe 852 powershell.exe 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 4016 powershell.exe 4016 powershell.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 1156 powershell.exe 1156 powershell.exe 2804 powershell.exe 2804 powershell.exe 3796 powershell.exe 3796 powershell.exe 3464 powershell.exe 3464 powershell.exe 1696 powershell.exe 1696 powershell.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 4392 csrss.exe 4392 csrss.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 4392 csrss.exe 4392 csrss.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe 3664 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Token: SeImpersonatePrivilege 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 2804 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeSystemEnvironmentPrivilege 4392 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1644 wrote to memory of 852 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 87 PID 1644 wrote to memory of 852 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 87 PID 1644 wrote to memory of 852 1644 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 87 PID 2888 wrote to memory of 4016 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 92 PID 2888 wrote to memory of 4016 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 92 PID 2888 wrote to memory of 4016 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 92 PID 2888 wrote to memory of 3684 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 94 PID 2888 wrote to memory of 3684 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 94 PID 3684 wrote to memory of 2176 3684 cmd.exe 96 PID 3684 wrote to memory of 2176 3684 cmd.exe 96 PID 2888 wrote to memory of 1156 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 98 PID 2888 wrote to memory of 1156 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 98 PID 2888 wrote to memory of 1156 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 98 PID 2888 wrote to memory of 2804 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 100 PID 2888 wrote to memory of 2804 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 100 PID 2888 wrote to memory of 2804 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 100 PID 2888 wrote to memory of 4392 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 102 PID 2888 wrote to memory of 4392 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 102 PID 2888 wrote to memory of 4392 2888 24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe 102 PID 4392 wrote to memory of 3796 4392 csrss.exe 107 PID 4392 wrote to memory of 3796 4392 csrss.exe 107 PID 4392 wrote to memory of 3796 4392 csrss.exe 107 PID 4392 wrote to memory of 3464 4392 csrss.exe 115 PID 4392 wrote to memory of 3464 4392 csrss.exe 115 PID 4392 wrote to memory of 3464 4392 csrss.exe 115 PID 4392 wrote to memory of 1696 4392 csrss.exe 117 PID 4392 wrote to memory of 1696 4392 csrss.exe 117 PID 4392 wrote to memory of 1696 4392 csrss.exe 117 PID 4392 wrote to memory of 3664 4392 csrss.exe 119 PID 4392 wrote to memory of 3664 4392 csrss.exe 119 -
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\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe"C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe"C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.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:2888 -
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:4016
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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:3684 -
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:2176
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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:1156
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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:2804
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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:4392 -
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:3796
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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:1240
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2892
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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:3464
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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:1696
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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:3664
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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:2684
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535f8550ff6b93326978c095fde28c91b
SHA10fcbdb788d9f743f25040aa7d2fb777510b3eb94
SHA256931e97567cff0133ef4d2acbb27250ba334d0d8aad5a4b22c2eb0bdbf734f02a
SHA51249dcfce395f44cffb84f7242dc5873df66470f2594546fe628ff0e513e9fdbad87516053d915d8fff6fac353ebab8fa58e1a8ab30c9bd1214fff6217f81e01cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5213f084103450b3bc637ec1b5557ec5b
SHA1f067fbf355ac25391a88ebf4461f9766a769f892
SHA2568171d26d5b3854440cb1f137fae5196d70b919e8dd3749c139593a2566c70b97
SHA51272d88da7264579458393015262aedba5fd76c0b1bd0c645d18afa738689b3fe46d60067eaa5c75449a1feea51aa3cec41844436f87451d6ee8947a64bbab2aa4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD505f4b0694eb00f63f5a87f250a73fcce
SHA12611b56d0db2da1ac16a70854d2a6345d38869ef
SHA2560b116a311765d980376f65d7a9f7c6f04ac3b88fe85870b9502e23323a358a49
SHA512ef22ed5431ae53634f9b7103864f010aa17df6a7d664755f95ad7b1c3f489c96bbabc1fc9db3805f489380b2d27f252fe04b7155743656da26f333acd4184a8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561b34ba7b4f4dfba19cbb96e23359372
SHA1c2961195f49aa6798c86ca41414db265c889a979
SHA256dfaa098825c2c66e4517f4623626491fe8f88b2003a310059ac167ef66b7f92d
SHA51279d8633832c0eee15a7c16e59e6705aa81d9ea80c65b00d6d97449f696fc1fc12900d62fbbc2b69c1f77c04614a57e9998bf82abd94489e3999a183615bf0f3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ba0bb86cfd0c158457917c479af807d
SHA1a8f0211b4c9ddd993b600addfaf82abe04e99363
SHA256ac0251660fee4bcbce5f98b82d35eb67eae4d9f565cbfa3a247654ad5b9c2a77
SHA51255e3b1202ef90bbcbd74166fc33a2fe620621c54ddff45079862f3c85fd1ccecd612a719c09b5d047d23ca286f90fe954e98fc6242f45b5f2afaf81351627f57
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Filesize
4.1MB
MD538f15631eb20bbe8624185544f6cbdf2
SHA1b82c00c710105f456bf5c60ee9a7cd7e8638f0e2
SHA25624f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851
SHA5125a5d9878d5136f83842a3df25110f5b8da0ec18bae422ebeb38ad1399ab823babc60c1f3a3672b73ca43d82a8d0551810186634f5fd401fe27485e7f98623fcc