Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe
Resource
win10v2004-20240426-en
General
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Target
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe
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Size
4.1MB
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MD5
fc9c4c12a8f4a6491810da547cf3e801
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SHA1
fe4c1345ce321114ef1b36ec5156b46ff26297fa
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SHA256
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982
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SHA512
faf16b3d9ac4857ece5fe2d11507e2989dae9583067a88b0da6cd248cce07d56171d276590d2f6e4e0bc0fc483bebc963ae77a12af7d1c3511e6fa217661ae28
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCv:hLlNLHtGNcOLFp5JFwlsCv
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1472-2-0x0000000004FC0000-0x00000000058AB000-memory.dmp family_glupteba behavioral1/memory/1472-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1472-55-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1472-67-0x0000000004FC0000-0x00000000058AB000-memory.dmp family_glupteba behavioral1/memory/2100-136-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1472-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3524-217-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-228-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-244-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-248-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-251-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-255-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-260-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-264-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/3524-268-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3524 csrss.exe 900 injector.exe 4000 windefender.exe 3376 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023428-220.dat upx behavioral1/memory/4000-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3376-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4000-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3376-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3376-238-0x0000000000400000-0x00000000008DF000-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\"" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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 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 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 -
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 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe File created C:\Windows\rss\csrss.exe da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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 2144 sc.exe -
pid Process 3676 powershell.exe 1824 powershell.exe 4512 powershell.exe 3668 powershell.exe 1012 powershell.exe 5104 powershell.exe 3216 powershell.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 4268 schtasks.exe 1616 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,-1932 = "Russia TZ 11 Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard 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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.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" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1012 powershell.exe 1012 powershell.exe 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 5104 powershell.exe 5104 powershell.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 3216 powershell.exe 3216 powershell.exe 3676 powershell.exe 3676 powershell.exe 1824 powershell.exe 1824 powershell.exe 4512 powershell.exe 4512 powershell.exe 3668 powershell.exe 3668 powershell.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3524 csrss.exe 3524 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3524 csrss.exe 3524 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 3524 csrss.exe 3524 csrss.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe 900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Token: SeImpersonatePrivilege 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeSystemEnvironmentPrivilege 3524 csrss.exe Token: SeSecurityPrivilege 2144 sc.exe Token: SeSecurityPrivilege 2144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1472 wrote to memory of 1012 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 1472 wrote to memory of 1012 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 1472 wrote to memory of 1012 1472 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 2100 wrote to memory of 5104 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 100 PID 2100 wrote to memory of 5104 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 100 PID 2100 wrote to memory of 5104 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 100 PID 2100 wrote to memory of 5004 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 102 PID 2100 wrote to memory of 5004 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 102 PID 5004 wrote to memory of 3592 5004 cmd.exe 104 PID 5004 wrote to memory of 3592 5004 cmd.exe 104 PID 2100 wrote to memory of 3216 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 105 PID 2100 wrote to memory of 3216 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 105 PID 2100 wrote to memory of 3216 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 105 PID 2100 wrote to memory of 3676 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 107 PID 2100 wrote to memory of 3676 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 107 PID 2100 wrote to memory of 3676 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 107 PID 2100 wrote to memory of 3524 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 109 PID 2100 wrote to memory of 3524 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 109 PID 2100 wrote to memory of 3524 2100 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 109 PID 3524 wrote to memory of 1824 3524 csrss.exe 110 PID 3524 wrote to memory of 1824 3524 csrss.exe 110 PID 3524 wrote to memory of 1824 3524 csrss.exe 110 PID 3524 wrote to memory of 4512 3524 csrss.exe 116 PID 3524 wrote to memory of 4512 3524 csrss.exe 116 PID 3524 wrote to memory of 4512 3524 csrss.exe 116 PID 3524 wrote to memory of 3668 3524 csrss.exe 118 PID 3524 wrote to memory of 3668 3524 csrss.exe 118 PID 3524 wrote to memory of 3668 3524 csrss.exe 118 PID 3524 wrote to memory of 900 3524 csrss.exe 122 PID 3524 wrote to memory of 900 3524 csrss.exe 122 PID 4000 wrote to memory of 756 4000 windefender.exe 128 PID 4000 wrote to memory of 756 4000 windefender.exe 128 PID 4000 wrote to memory of 756 4000 windefender.exe 128 PID 756 wrote to memory of 2144 756 cmd.exe 129 PID 756 wrote to memory of 2144 756 cmd.exe 129 PID 756 wrote to memory of 2144 756 cmd.exe 129 -
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\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
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C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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:2100 -
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:5104
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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:5004 -
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:3592
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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:3216
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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:3676
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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:3524 -
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:1824
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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:1616
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3612
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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:4512
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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:3668
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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:900
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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:4268
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4000 -
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:756 -
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:2144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3376
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bf880d684d38360ec8efad31a08c7d0
SHA130a41d680e7ccaffc8075ea9e6482f34c4ca6cce
SHA256baf17b8fe495db04c319573ecddf13498ef9a34f56f978c44c5769a9cf222605
SHA5122629c03ad467110a152c1243ee6e41b0dd6098dbb63ad6e3ac0f7d23bc69c00fc425aa421df147dbaa79e41f5ea05404218106cde0a69c4e4ea3ba9714eb145e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9fdaec968f5f885e03b85377624cc2b
SHA15945fa72e90fb69c2144f5c2e5007c7a5d515cca
SHA2565b78413d510e6201092ee4f747d6a39bcf625ce181bbad04c32932012422f71c
SHA512a1b6b04b6c5aa540442cd3c7537ee06595f63c921a9474cc4de274fc82d8973578276955436818c7142e58b5919c738afe22c9a5b071199382f721d9c81e4753
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f2b5b16dbf4e5bd0375917e12cfa8d9
SHA11972d900f6992ddc1fe972c8cd0f80bbfc79b22e
SHA256bfb17bddfa2f5c35bded17f97a532e5c83db589ccca5c14cd6a23d31fec19c14
SHA5125a86b890473569ff18789126faf85825166af8584ba7ea4556f82eabf02f793f8852deb44bf2f24374a84cad3472d9c235eb9d10f476a06452fc786498b6cfd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582d12d296f8c0b4585b18e9bd0ce6559
SHA15202eeae43cccac484756f393c7c840c1ece5a5b
SHA256802e7e3116d538c1934ab0fbf2d7670880bced80d3d6cb654dd1dbca108404d4
SHA5122f66ea009c36952cd6db6d06a4300596095dfb98db7cb86852eb83f528486fc6f93b0577e705a4ef5c66df20e978958d6e816fb7a632282237f26fffba5e65b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a15bd5098eebf67331f4d5c8da9624df
SHA1f1b1a8bb00f7adc4c8bc319951485d3761a86a03
SHA256c7f8bda5be4a1fc2286c8370e74f3b8ae02dbc16b93f7b71a52404633e3e0a9b
SHA5122038978c9b038fa2b44e5895444420a9555106b8834e0e77b4f37f7d62b66d02f5e4d6b771dbecc4304ce810a0a2f75de2582274939297c2b69fd580e08dc6a5
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Filesize
4.1MB
MD5fc9c4c12a8f4a6491810da547cf3e801
SHA1fe4c1345ce321114ef1b36ec5156b46ff26297fa
SHA256da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982
SHA512faf16b3d9ac4857ece5fe2d11507e2989dae9583067a88b0da6cd248cce07d56171d276590d2f6e4e0bc0fc483bebc963ae77a12af7d1c3511e6fa217661ae28
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec