Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:31
Static task
static1
Behavioral task
behavioral1
Sample
b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe
Resource
win10v2004-20240508-en
General
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Target
b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe
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Size
4.1MB
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MD5
04ecc13ccc89c92ef456148b58c46d6f
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SHA1
dd6a117555516eb200aa6183f2692367282eabe3
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SHA256
b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e
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SHA512
e53a458a92b4da75a133c75731f9cf829d19a9bce84b43142743b21529aa65e93003bf6d743010019e7bbb15dffb7fa03d3738a24024a7c694c18a276b0eab65
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FU:/b8hTmbBIxHPR3rn3oKU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/392-2-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/392-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/392-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/392-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/392-58-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/392-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5104-86-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5104-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-166-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1020-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3864 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1020 csrss.exe 3612 injector.exe 3164 windefender.exe 772 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023563-224.dat upx behavioral1/memory/3164-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/772-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3164-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/772-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/772-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.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 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe File created C:\Windows\rss\csrss.exe b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.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 1200 sc.exe -
pid Process 3508 powershell.exe 1892 powershell.exe 3240 powershell.exe 1956 powershell.exe 3112 powershell.exe 3684 powershell.exe 3208 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1156 5104 WerFault.exe 107 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3184 schtasks.exe 2560 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\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.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,-384 = "Namibia Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 3208 powershell.exe 3208 powershell.exe 3208 powershell.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 3508 powershell.exe 3508 powershell.exe 3508 powershell.exe 1892 powershell.exe 1892 powershell.exe 1892 powershell.exe 3240 powershell.exe 3240 powershell.exe 3240 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 3112 powershell.exe 3112 powershell.exe 3112 powershell.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 1020 csrss.exe 1020 csrss.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 1020 csrss.exe 1020 csrss.exe 3612 injector.exe 3612 injector.exe 1020 csrss.exe 1020 csrss.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe 3612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Token: SeImpersonatePrivilege 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 3508 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 3240 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeSystemEnvironmentPrivilege 1020 csrss.exe Token: SeSecurityPrivilege 1200 sc.exe Token: SeSecurityPrivilege 1200 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 392 wrote to memory of 3684 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 103 PID 392 wrote to memory of 3684 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 103 PID 392 wrote to memory of 3684 392 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 103 PID 5104 wrote to memory of 3208 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 108 PID 5104 wrote to memory of 3208 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 108 PID 5104 wrote to memory of 3208 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 108 PID 5104 wrote to memory of 1396 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 110 PID 5104 wrote to memory of 1396 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 110 PID 1396 wrote to memory of 3864 1396 cmd.exe 112 PID 1396 wrote to memory of 3864 1396 cmd.exe 112 PID 5104 wrote to memory of 3508 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 114 PID 5104 wrote to memory of 3508 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 114 PID 5104 wrote to memory of 3508 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 114 PID 5104 wrote to memory of 1892 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 116 PID 5104 wrote to memory of 1892 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 116 PID 5104 wrote to memory of 1892 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 116 PID 5104 wrote to memory of 1020 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 119 PID 5104 wrote to memory of 1020 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 119 PID 5104 wrote to memory of 1020 5104 b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe 119 PID 1020 wrote to memory of 3240 1020 csrss.exe 123 PID 1020 wrote to memory of 3240 1020 csrss.exe 123 PID 1020 wrote to memory of 3240 1020 csrss.exe 123 PID 1020 wrote to memory of 1956 1020 csrss.exe 128 PID 1020 wrote to memory of 1956 1020 csrss.exe 128 PID 1020 wrote to memory of 1956 1020 csrss.exe 128 PID 1020 wrote to memory of 3112 1020 csrss.exe 131 PID 1020 wrote to memory of 3112 1020 csrss.exe 131 PID 1020 wrote to memory of 3112 1020 csrss.exe 131 PID 1020 wrote to memory of 3612 1020 csrss.exe 133 PID 1020 wrote to memory of 3612 1020 csrss.exe 133 PID 3164 wrote to memory of 3724 3164 windefender.exe 139 PID 3164 wrote to memory of 3724 3164 windefender.exe 139 PID 3164 wrote to memory of 3724 3164 windefender.exe 139 PID 3724 wrote to memory of 1200 3724 cmd.exe 140 PID 3724 wrote to memory of 1200 3724 cmd.exe 140 PID 3724 wrote to memory of 1200 3724 cmd.exe 140 -
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\b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe"C:\Users\Admin\AppData\Local\Temp\b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Users\Admin\AppData\Local\Temp\b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.exe"C:\Users\Admin\AppData\Local\Temp\b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e.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:5104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208
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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:1396 -
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:3864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3508
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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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:1020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3240
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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:3184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2236
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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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:3612
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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:2560
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3164 -
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:3724 -
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:1200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 8003⤵
- Program crash
PID:1156
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3760,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:81⤵PID:452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5104 -ip 51041⤵PID:1448
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:772
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
MD5ecf90fa13e852864042d406def4434c0
SHA1707ad89ebc14ae7da70d9c9913507d08a9b39267
SHA256538d56ec562489010fa2fb708e2309430d266f5287221d95f30018d634bad7a9
SHA51288ae62203b047691df0dfc555901212f294366e8cbee9a407b850d9d4d28f7e3bbe22f0edfdc9db61d439aefc48ddeca1d5df3af8be5c032ee3e9a9e0e71466d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586a1d7ac2ca281d526ba30896da68cd3
SHA177cac90c4477a61bb5f9f7e398f17edef86bbd03
SHA2564bbe1006d330b1e8703148f89bfeff1729a637b21db2c01ce6434aede5d6e58f
SHA5121cfe749a9725cb4c8b4fefb1b4bf7a6af75143b8a9804d180d6543980d38927429474321af6a4c9a6fbac26e5d5b8d7bc77fac764d86ef2db97bbe178eb79644
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bc7032247f2beba2dc3461aa68e116a
SHA15ed83349a149dc043a951156fe72f7f378ceb6ca
SHA2561f4878da93280bfbb732ba1f99ecb6cbb9d66add297fe622b9088b2c67a2caeb
SHA512a1ad2a8349af46561d7fa1f5db931b4d469f477c573086191c662f64efc0c5c687486a44e55b205c0af86edbadc09aba6288dd86109f4955de53a9ac6c5dd5f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567b2ace1fc4e45724443166caed97c85
SHA185775db38eb8be92186c49dbf889650ccafad4f1
SHA2566bc86ce5c40ab5d0ce2c607ca0af28af121f546e89d30c74e1b664bf35e73304
SHA51217cfcfdf88dd14c4b32a79c59bede6c8c062458c6e4b37b3e6c2f6aa710c0625f6a3cff831a180575f47ceaedf7b155cefad8079140e4a994819eea7aae9fbce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad758aefb556b6858065104dc2faf1eb
SHA14e1bdcd722663622c0956ed30a78e734537b8815
SHA256e0d614b869acc29cf4326f4fd6ea38d953c1a8e6ed6dad53498258156c0b9c89
SHA51280c926feac78a4487e604e94275b14f3042e21978b6b50fcca250a3a8a8767975962089fc072cd46ec753be3dcf7f77777d68b184fc14993e1fa5b116cdcc4ff
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Filesize
4.1MB
MD504ecc13ccc89c92ef456148b58c46d6f
SHA1dd6a117555516eb200aa6183f2692367282eabe3
SHA256b3d73609814caf70e2df651db45b37c668989c9c0d1113a9aa2c40601cb7320e
SHA512e53a458a92b4da75a133c75731f9cf829d19a9bce84b43142743b21529aa65e93003bf6d743010019e7bbb15dffb7fa03d3738a24024a7c694c18a276b0eab65
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec