Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe
Resource
win10v2004-20240508-en
General
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Target
01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe
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Size
4.1MB
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MD5
a777e580115331f281253a66b4b2693a
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SHA1
ed39eb27efe889bfbb506b32efaad08c5c31aa6e
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SHA256
01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd
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SHA512
22b0735b5f337314cd143bc03b1371bc384581069fd34829cad15ae4dfcb58ec6e0425514ed32bb73d9132e9733ba79d6f489557ffcdcd290b0d53729fa4f762
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SSDEEP
98304:3pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsC/:5LlNLHtGNcOLFp5JFwlsC/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2428-2-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2428-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2428-39-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2428-53-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2428-52-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2428-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2832-108-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2832-127-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-194-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-209-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-216-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-227-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-243-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/868-247-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 868 csrss.exe 3936 injector.exe 3404 windefender.exe 1748 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-205.dat upx behavioral2/memory/3404-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1748-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3404-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1748-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1748-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.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 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe File created C:\Windows\rss\csrss.exe 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.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 3932 sc.exe -
pid Process 1232 powershell.exe 3728 powershell.exe 1056 powershell.exe 3068 powershell.exe 3412 powershell.exe 4888 powershell.exe 2520 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 4284 schtasks.exe 844 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,-2942 = "Sao Tome Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-272 = "Greenwich Standard Time" windefender.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,-1831 = "Russia TZ 2 Daylight 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" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4888 powershell.exe 4888 powershell.exe 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2520 powershell.exe 2520 powershell.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 1232 powershell.exe 1232 powershell.exe 3728 powershell.exe 3728 powershell.exe 1056 powershell.exe 1056 powershell.exe 3068 powershell.exe 3068 powershell.exe 3412 powershell.exe 3412 powershell.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 868 csrss.exe 868 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 868 csrss.exe 868 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 868 csrss.exe 868 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Token: SeImpersonatePrivilege 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 1232 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeSystemEnvironmentPrivilege 868 csrss.exe Token: SeSecurityPrivilege 3932 sc.exe Token: SeSecurityPrivilege 3932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2428 wrote to memory of 4888 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 79 PID 2428 wrote to memory of 4888 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 79 PID 2428 wrote to memory of 4888 2428 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 79 PID 2832 wrote to memory of 2520 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 84 PID 2832 wrote to memory of 2520 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 84 PID 2832 wrote to memory of 2520 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 84 PID 2832 wrote to memory of 1228 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 86 PID 2832 wrote to memory of 1228 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 86 PID 1228 wrote to memory of 4056 1228 cmd.exe 88 PID 1228 wrote to memory of 4056 1228 cmd.exe 88 PID 2832 wrote to memory of 1232 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 89 PID 2832 wrote to memory of 1232 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 89 PID 2832 wrote to memory of 1232 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 89 PID 2832 wrote to memory of 3728 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 91 PID 2832 wrote to memory of 3728 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 91 PID 2832 wrote to memory of 3728 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 91 PID 2832 wrote to memory of 868 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 93 PID 2832 wrote to memory of 868 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 93 PID 2832 wrote to memory of 868 2832 01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe 93 PID 868 wrote to memory of 1056 868 csrss.exe 94 PID 868 wrote to memory of 1056 868 csrss.exe 94 PID 868 wrote to memory of 1056 868 csrss.exe 94 PID 868 wrote to memory of 3068 868 csrss.exe 100 PID 868 wrote to memory of 3068 868 csrss.exe 100 PID 868 wrote to memory of 3068 868 csrss.exe 100 PID 868 wrote to memory of 3412 868 csrss.exe 102 PID 868 wrote to memory of 3412 868 csrss.exe 102 PID 868 wrote to memory of 3412 868 csrss.exe 102 PID 868 wrote to memory of 3936 868 csrss.exe 104 PID 868 wrote to memory of 3936 868 csrss.exe 104 PID 3404 wrote to memory of 3204 3404 windefender.exe 110 PID 3404 wrote to memory of 3204 3404 windefender.exe 110 PID 3404 wrote to memory of 3204 3404 windefender.exe 110 PID 3204 wrote to memory of 3932 3204 cmd.exe 111 PID 3204 wrote to memory of 3932 3204 cmd.exe 111 PID 3204 wrote to memory of 3932 3204 cmd.exe 111 -
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\01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe"C:\Users\Admin\AppData\Local\Temp\01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4888
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C:\Users\Admin\AppData\Local\Temp\01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.exe"C:\Users\Admin\AppData\Local\Temp\01fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd.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:2832 -
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:2520
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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:1228 -
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:4056
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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:1232
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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:3728
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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:868 -
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:1056
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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:4284
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3944
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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:3068
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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:3412
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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:3936
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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:844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3404 -
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:3204 -
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:3932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1748
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ae45efa44f268c263f3c6820de2411c
SHA14be1550bc0049bc6d0a2d6fbdbf38024b22c77bd
SHA2560a125ef2d104e18e24eca12927161081150c67ed1bcdc65291d272ee027fe98b
SHA512af54fc77f39c93274f4121467eb09152c3580c06c979099f84ac20d88efe8bcc7374f7ba57da388c3930e41098c4a983e8823e82ee87097c12be6e361cb8d4ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57029a15d633a0b1145a28f829791f7d7
SHA1cc3d6d400b02e71a10de1941fe0ec5cdafd200ea
SHA256ff3d45867705e5fe4e3b8914ef25d64cac93f5c5876f22d431b72e53040807c3
SHA5123cdfb57ec18c8e57c317a9ce55e058905e35ca2d6d75d2bd4695a8d32aaff5c4339559cf8c1ade24f3c8a84bca7131f2d1383d94b35bf1f546380116a25e033e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509c76a436bb58d302ed787c9aeacfdb7
SHA131ab91b34599b95aa125a5870134134e2a741512
SHA256ec3a7d95a4f3b4d2846bf654e9970027595b77f9dd9e009338ada40590750709
SHA51231d64b142113a7766012b8ca5056db7a18805965832d7a176694511dd776fa69ce27ed372a70c578070a1af6aebb9e544ed21e30a5cd5cde8000c361d2be0c74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507b76b1f8c829823ea68998a9c516ce3
SHA1d8f773541aaabf2d1ed729cbce1fb1054a01b776
SHA256f6b21587cf55c65660eaae0b56cccd3b8bc4447e3fdf7f8c89e02ca39b2819aa
SHA512baa6ec1b41b6dccd2a0a7882f8f6c7d4b2b8b0e7a965cd7622ccebf1aa311b5f89f35564c7b25535689236d06f1da7f6b974a861f9ef7d8e2dd8112dce629137
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5163728d3633f052cec72a78328a64331
SHA151d618655c6f480e8247efd97c573ac700b965c8
SHA256b364c5da103cc9d4935e3f84a2ef68a9c3ad881ae544ffab4ce421c0e26b73bf
SHA5124d834290081e8fafc1a6ba6851b01a18e8f1e10a00f6fa8b1153d393c09856c4351e6232e021fa2f640ee32bbf18fa7a3c97e632005beda25de2a6cbe5454c0d
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Filesize
4.1MB
MD5a777e580115331f281253a66b4b2693a
SHA1ed39eb27efe889bfbb506b32efaad08c5c31aa6e
SHA25601fb4c9ee6e97726d796ff60a12396e6678121363a343188d7e58b8997202bbd
SHA51222b0735b5f337314cd143bc03b1371bc384581069fd34829cad15ae4dfcb58ec6e0425514ed32bb73d9132e9733ba79d6f489557ffcdcd290b0d53729fa4f762
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec