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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21/04/2024, 12:51
Static task
static1
Behavioral task
behavioral1
Sample
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe
Resource
win10v2004-20240412-en
General
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Target
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe
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Size
4.1MB
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MD5
01f32b0b507aca88a501166d3a0668c2
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SHA1
6a600ef59163a732beaa951da04c110ce8573730
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SHA256
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746
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SHA512
5327592d1bc1a5ee9493756aae3055b2cd01f68f60363c550fc6d05ea52fcd07148f0c033f19fdba27949f99907453364121502c596923806066620391c9bd1e
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SSDEEP
98304:eZEfVUFRJv8mQTo+JYxA3pPfuc1p/aZmtrSrNLigfLR:BfaFRhvQTux++4aZmtYTLR
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3664-2-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral1/memory/3664-3-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3664-55-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3664-58-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral1/memory/4568-59-0x0000000003F70000-0x000000000485B000-memory.dmp family_glupteba behavioral1/memory/4568-60-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4568-158-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-263-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-267-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-273-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-275-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-277-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-279-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-281-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-283-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-285-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-287-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-289-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-291-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/3508-293-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 944 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3508 csrss.exe 3572 injector.exe 1012 windefender.exe 808 windefender.exe -
resource yara_rule behavioral1/files/0x001600000001db62-266.dat upx behavioral1/memory/1012-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/808-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/808-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/808-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe File created C:\Windows\rss\csrss.exe 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification 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 3440 sc.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 3008 schtasks.exe 2324 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,-2871 = "Magallanes Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.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,-572 = "China Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance 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,-491 = "India Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern 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,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2860 powershell.exe 2860 powershell.exe 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 3640 powershell.exe 3640 powershell.exe 3640 powershell.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 4712 powershell.exe 4712 powershell.exe 4712 powershell.exe 620 powershell.exe 620 powershell.exe 620 powershell.exe 1524 powershell.exe 1524 powershell.exe 1524 powershell.exe 4016 powershell.exe 4016 powershell.exe 4016 powershell.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3508 csrss.exe 3508 csrss.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3508 csrss.exe 3508 csrss.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3508 csrss.exe 3508 csrss.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe 3572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Token: SeImpersonatePrivilege 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeSystemEnvironmentPrivilege 3508 csrss.exe Token: SeSecurityPrivilege 3440 sc.exe Token: SeSecurityPrivilege 3440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3664 wrote to memory of 2860 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 90 PID 3664 wrote to memory of 2860 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 90 PID 3664 wrote to memory of 2860 3664 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 90 PID 4568 wrote to memory of 3640 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 99 PID 4568 wrote to memory of 3640 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 99 PID 4568 wrote to memory of 3640 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 99 PID 4568 wrote to memory of 4520 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 103 PID 4568 wrote to memory of 4520 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 103 PID 4520 wrote to memory of 944 4520 cmd.exe 105 PID 4520 wrote to memory of 944 4520 cmd.exe 105 PID 4568 wrote to memory of 2696 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 106 PID 4568 wrote to memory of 2696 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 106 PID 4568 wrote to memory of 2696 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 106 PID 4568 wrote to memory of 4712 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 108 PID 4568 wrote to memory of 4712 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 108 PID 4568 wrote to memory of 4712 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 108 PID 4568 wrote to memory of 3508 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 111 PID 4568 wrote to memory of 3508 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 111 PID 4568 wrote to memory of 3508 4568 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 111 PID 3508 wrote to memory of 620 3508 csrss.exe 112 PID 3508 wrote to memory of 620 3508 csrss.exe 112 PID 3508 wrote to memory of 620 3508 csrss.exe 112 PID 3508 wrote to memory of 1524 3508 csrss.exe 118 PID 3508 wrote to memory of 1524 3508 csrss.exe 118 PID 3508 wrote to memory of 1524 3508 csrss.exe 118 PID 3508 wrote to memory of 4016 3508 csrss.exe 120 PID 3508 wrote to memory of 4016 3508 csrss.exe 120 PID 3508 wrote to memory of 4016 3508 csrss.exe 120 PID 3508 wrote to memory of 3572 3508 csrss.exe 122 PID 3508 wrote to memory of 3572 3508 csrss.exe 122 PID 1012 wrote to memory of 1180 1012 windefender.exe 132 PID 1012 wrote to memory of 1180 1012 windefender.exe 132 PID 1012 wrote to memory of 1180 1012 windefender.exe 132 PID 1180 wrote to memory of 3440 1180 cmd.exe 133 PID 1180 wrote to memory of 3440 1180 cmd.exe 133 PID 1180 wrote to memory of 3440 1180 cmd.exe 133 -
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\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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:4568 -
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:3640
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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:4520 -
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:944
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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:2696
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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:4712
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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:3508 -
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:620
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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:3008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2276
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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:1524
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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:4016
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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:3572
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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:2324
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1012 -
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:1180 -
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:3440
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:808
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
MD58a350646695f776022f64f11ffa095b7
SHA1258b290aaaeb40224fb8f54fe71a5163bb0db83c
SHA25672345af9b35d7eeb0bd07b9cd146bd7cbb5692d4d7629be7dc82d05d46d17ddd
SHA5124db80259430e3c26bffaff6100aba33ee1382fb9e06e204e9d487bea11afbb6e5bcdd3de1d98cc7c1af6171854b3606df42f328414f77e32a1d757b4095e9d8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525b1167f0a7aa045bca89af884eee61e
SHA129bdab9618de094c5069ab46c2cfd6fbd008b259
SHA256c1020c0c7f6439bfac012c4461efdaa1ab6c81f2ea15bee7fa3d4b81af4bc0d9
SHA512a5284ccd8aa8d1ac7639769cf295e5b716d5233b2e4a560be48705d631c9bbce0b7d628a4bee86b72ca0560318f52d9c4a4cdb9cf311cfc476cdced73ea05571
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521389bfb8a606c17c4f1c0a2974ae5b7
SHA118ba7696ade3f463175733238bada502fe463a98
SHA2565987be7a4b248c82656467839d2825965746d7af337d7aeb2b729c9abc8fa191
SHA512549d89e0c7e47b7ae02db8ccb7b4e5ac52a48b2c220d970f3efff697bf59c4998612f3efd352e4a09349c86feb18237ec5581fcf6b58b2936400497d0e51134f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e00dc08d7932ab40404dff92a478b164
SHA1d10f8133af7571f596e5c12d0a2830613021cb56
SHA2562eac56b683bf58b1529c5e9b68676e9130b5079e3ba42f5661836daa568b994e
SHA5121932a1c657e857c0e4b753bdb786d67bccc03421c1526884a079e94bbfa4b130feca6c196342acf48a29e624e9b0a2ebcb1224c0902d89270a42148f30ecb8f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552689142da8def4c90279c43cfaaf3fa
SHA124ca03c2fc1cf97617b33e7435d2d5b459c8bc4c
SHA2568300c11de3b66bc63fab69c3a4111a5f7edd2d5b9de3015c14ad6f3597519084
SHA512db2030e718f81154dc39c7215b4e668d20b1811dbf4be8d79ec90d22be081ad8001adee39c694858d9bf1f440a67bc5d39b4ef65e71da1053cd88099a7226519
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Filesize
4.1MB
MD501f32b0b507aca88a501166d3a0668c2
SHA16a600ef59163a732beaa951da04c110ce8573730
SHA2565e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746
SHA5125327592d1bc1a5ee9493756aae3055b2cd01f68f60363c550fc6d05ea52fcd07148f0c033f19fdba27949f99907453364121502c596923806066620391c9bd1e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec