Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:24
Static task
static1
Behavioral task
behavioral1
Sample
04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe
Resource
win10v2004-20240426-en
General
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Target
04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe
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Size
4.1MB
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MD5
38989c9d938dd8be683d4ab11f1cda25
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SHA1
081a6ba84933c8a544556ed2e6098693439f3386
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SHA256
04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7
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SHA512
e54564fb34014a5cd96fcde64c68161efa8c3790636550c0a0977645ea0b7bc4addb069227b8d18f709f2ca03956cd6071fbd32935015f108f7b08fb0618b200
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SSDEEP
98304:sQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FM:nb8hTmbBIxHPR3rn3oKM
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/920-2-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral1/memory/920-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/920-45-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/920-58-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral1/memory/920-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/920-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-96-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3952-114-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-192-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-201-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/952-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4832 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 952 csrss.exe 924 injector.exe 2924 windefender.exe 2896 windefender.exe -
resource yara_rule behavioral1/files/0x000c00000002297b-200.dat upx behavioral1/memory/2924-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2896-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2924-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2896-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2896-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 5 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 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 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe File created C:\Windows\rss\csrss.exe 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.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 4408 sc.exe -
pid Process 4936 powershell.exe 1004 powershell.exe 1256 powershell.exe 776 powershell.exe 412 powershell.exe 3408 powershell.exe 4064 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4296 3952 WerFault.exe 99 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3860 schtasks.exe 2412 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,-2511 = "Lord Howe Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.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\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.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,-105 = "Central Brazilian Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 412 powershell.exe 412 powershell.exe 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 4064 powershell.exe 4064 powershell.exe 4936 powershell.exe 4936 powershell.exe 1004 powershell.exe 1004 powershell.exe 1256 powershell.exe 1256 powershell.exe 776 powershell.exe 776 powershell.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 952 csrss.exe 952 csrss.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 952 csrss.exe 952 csrss.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 952 csrss.exe 952 csrss.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe 924 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Token: SeImpersonatePrivilege 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 1256 powershell.exe Token: SeDebugPrivilege 776 powershell.exe Token: SeSystemEnvironmentPrivilege 952 csrss.exe Token: SeSecurityPrivilege 4408 sc.exe Token: SeSecurityPrivilege 4408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 920 wrote to memory of 412 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 94 PID 920 wrote to memory of 412 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 94 PID 920 wrote to memory of 412 920 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 94 PID 3952 wrote to memory of 3408 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 100 PID 3952 wrote to memory of 3408 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 100 PID 3952 wrote to memory of 3408 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 100 PID 3952 wrote to memory of 2936 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 102 PID 3952 wrote to memory of 2936 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 102 PID 2936 wrote to memory of 4832 2936 cmd.exe 104 PID 2936 wrote to memory of 4832 2936 cmd.exe 104 PID 3952 wrote to memory of 4064 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 105 PID 3952 wrote to memory of 4064 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 105 PID 3952 wrote to memory of 4064 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 105 PID 3952 wrote to memory of 4936 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 107 PID 3952 wrote to memory of 4936 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 107 PID 3952 wrote to memory of 4936 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 107 PID 3952 wrote to memory of 952 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 109 PID 3952 wrote to memory of 952 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 109 PID 3952 wrote to memory of 952 3952 04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe 109 PID 952 wrote to memory of 1004 952 csrss.exe 114 PID 952 wrote to memory of 1004 952 csrss.exe 114 PID 952 wrote to memory of 1004 952 csrss.exe 114 PID 952 wrote to memory of 1256 952 csrss.exe 120 PID 952 wrote to memory of 1256 952 csrss.exe 120 PID 952 wrote to memory of 1256 952 csrss.exe 120 PID 952 wrote to memory of 776 952 csrss.exe 122 PID 952 wrote to memory of 776 952 csrss.exe 122 PID 952 wrote to memory of 776 952 csrss.exe 122 PID 952 wrote to memory of 924 952 csrss.exe 125 PID 952 wrote to memory of 924 952 csrss.exe 125 PID 2924 wrote to memory of 4056 2924 windefender.exe 131 PID 2924 wrote to memory of 4056 2924 windefender.exe 131 PID 2924 wrote to memory of 4056 2924 windefender.exe 131 PID 4056 wrote to memory of 4408 4056 cmd.exe 132 PID 4056 wrote to memory of 4408 4056 cmd.exe 132 PID 4056 wrote to memory of 4408 4056 cmd.exe 132 -
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\04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe"C:\Users\Admin\AppData\Local\Temp\04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412
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C:\Users\Admin\AppData\Local\Temp\04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.exe"C:\Users\Admin\AppData\Local\Temp\04a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7.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:3952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:3408
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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:2936 -
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:4832
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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:4064
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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:4936
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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:952 -
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:1004
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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:3860
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2968
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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:1256
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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:776
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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:924
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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:2412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2924 -
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:4056 -
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:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 6763⤵
- Program crash
PID:4296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3952 -ip 39521⤵PID:3636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2896
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\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ecafa4adac61d2ab474b3ebffbfabca
SHA1282c3c82ecd6a086565fdaf191ff6e95b13885ae
SHA256acca74d2cef41c3077530d9f3ff05efa337edbf97150cd5816d696b734d60cd0
SHA51224e328d24eb6ebb930e64e67eaf5d44b782c3f121401df7f303d11566da8f891ee6f9c27caad215f57f404ae35c61f02dfb9c4e09209d4ea407a2c51370a5e8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572911b28788ecf377e3f79e9690e069a
SHA1137bf2cc61cc6368c6a4bcb4b72d2352ff440a59
SHA2560b4f07d1c5fb82c51280afd0b3e3dd681f57c60fafb004b272766eedfb49982b
SHA512a291e9e25d181f20132abaadf5616c56a1676e060ae419652239ba65afa0bda0f50abc251a3b8deb23b808bbdb750648506a08b9be48101a2a6e2561dd894753
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593a4146fc90d01d78ca4309e6a7efa8a
SHA1d1baadc40a5e3cb0b8420ff684cbeabe09c6bf94
SHA256a216315e9bfde9820030e6b3cc7dd1f615c6ba05b125990d30902864117a6e22
SHA512057b772caa97fca319d41f8b23cdc72b765ae61d2a5e1a0d19a67feae84f9407afb9e4fa898aa250cc00a3a942f5d35e044adfc89ef2661442f302eceb417471
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e03a563df2d3fbd927ab41a2a4b26db
SHA1b1cf26439bf4c66a39616dcbae4c6002d0084a27
SHA2561f96215802788598742d3d148f02930ac238e259dec49bd23fce8f1ef6137d9e
SHA51291cbf3782be2b75e9e705bba3188d2fddbb81492beddd3313209ef5eff59ee72d3776d004f0d891005bb605557f61292b153a9c8b77e3ab035c6c1961b8b549f
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Filesize
4.1MB
MD538989c9d938dd8be683d4ab11f1cda25
SHA1081a6ba84933c8a544556ed2e6098693439f3386
SHA25604a6fdf28550311c1486c787ca593d1bc63db2598d6d4dfbf0b72857d15ac8a7
SHA512e54564fb34014a5cd96fcde64c68161efa8c3790636550c0a0977645ea0b7bc4addb069227b8d18f709f2ca03956cd6071fbd32935015f108f7b08fb0618b200
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec