Analysis
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max time kernel
149s -
max time network
141s -
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, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe
Resource
win10v2004-20240426-en
General
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Target
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe
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Size
4.1MB
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MD5
04505522e025cf61e4592405690c9068
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SHA1
73c4ab3f6e69fdfafe9e42a60aba8225160b9e44
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SHA256
e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad
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SHA512
162a90dc5ac145913616e4690d4278229067c8b81e0ab5c6e1f4cb92d38a005798ac9b95c51de0873998ef9f44a7c1d0ef52ee8c904537d743ee85cd06f15162
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SSDEEP
98304:3pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCm:5LlNLHtGNcOLFp5JFwlsCm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4916-2-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral1/memory/4916-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-55-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4916-57-0x0000000004FF0000-0x00000000058DB000-memory.dmp family_glupteba behavioral1/memory/4916-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4900-83-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4900-139-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-226-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-244-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-248-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-252-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-256-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-260-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-264-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/628-268-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2320 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 628 csrss.exe 2160 injector.exe 856 windefender.exe 5272 windefender.exe -
resource yara_rule behavioral1/files/0x0011000000022976-222.dat upx behavioral1/memory/856-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5272-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/856-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5272-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5272-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4520 sc.exe -
pid Process 624 powershell.exe 1732 powershell.exe 2384 powershell.exe 4108 powershell.exe 3220 powershell.exe 4384 powershell.exe 4680 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 5380 schtasks.exe 3116 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,-671 = "AUS Eastern Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance 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,-722 = "Central Pacific Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight 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" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 624 powershell.exe 624 powershell.exe 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 1732 powershell.exe 1732 powershell.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 2384 powershell.exe 2384 powershell.exe 4108 powershell.exe 4108 powershell.exe 3220 powershell.exe 3220 powershell.exe 4384 powershell.exe 4384 powershell.exe 4680 powershell.exe 4680 powershell.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 628 csrss.exe 628 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 628 csrss.exe 628 csrss.exe 2160 injector.exe 2160 injector.exe 628 csrss.exe 628 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 624 powershell.exe Token: SeDebugPrivilege 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Token: SeImpersonatePrivilege 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeSystemEnvironmentPrivilege 628 csrss.exe Token: SeSecurityPrivilege 4520 sc.exe Token: SeSecurityPrivilege 4520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4916 wrote to memory of 624 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 4916 wrote to memory of 624 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 4916 wrote to memory of 624 4916 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 93 PID 4900 wrote to memory of 1732 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 99 PID 4900 wrote to memory of 1732 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 99 PID 4900 wrote to memory of 1732 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 99 PID 4900 wrote to memory of 5084 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 101 PID 4900 wrote to memory of 5084 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 101 PID 5084 wrote to memory of 2320 5084 cmd.exe 103 PID 5084 wrote to memory of 2320 5084 cmd.exe 103 PID 4900 wrote to memory of 2384 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 104 PID 4900 wrote to memory of 2384 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 104 PID 4900 wrote to memory of 2384 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 104 PID 4900 wrote to memory of 4108 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 106 PID 4900 wrote to memory of 4108 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 106 PID 4900 wrote to memory of 4108 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 106 PID 4900 wrote to memory of 628 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 108 PID 4900 wrote to memory of 628 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 108 PID 4900 wrote to memory of 628 4900 e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe 108 PID 628 wrote to memory of 3220 628 csrss.exe 110 PID 628 wrote to memory of 3220 628 csrss.exe 110 PID 628 wrote to memory of 3220 628 csrss.exe 110 PID 628 wrote to memory of 4384 628 csrss.exe 116 PID 628 wrote to memory of 4384 628 csrss.exe 116 PID 628 wrote to memory of 4384 628 csrss.exe 116 PID 628 wrote to memory of 4680 628 csrss.exe 119 PID 628 wrote to memory of 4680 628 csrss.exe 119 PID 628 wrote to memory of 4680 628 csrss.exe 119 PID 628 wrote to memory of 2160 628 csrss.exe 121 PID 628 wrote to memory of 2160 628 csrss.exe 121 PID 856 wrote to memory of 3288 856 windefender.exe 127 PID 856 wrote to memory of 3288 856 windefender.exe 127 PID 856 wrote to memory of 3288 856 windefender.exe 127 PID 3288 wrote to memory of 4520 3288 cmd.exe 128 PID 3288 wrote to memory of 4520 3288 cmd.exe 128 PID 3288 wrote to memory of 4520 3288 cmd.exe 128 -
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\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:624
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C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.exe"C:\Users\Admin\AppData\Local\Temp\e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad.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:4900 -
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:1732
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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:5084 -
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:2320
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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:2384
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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:4108
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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:628 -
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:3220
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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:5380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3192
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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:4384
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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:4680
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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:2160
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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:3116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:856 -
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:3288 -
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:4520
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5272
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583df4ec9bb3ae13b6834f6d0216c4530
SHA11707faceec55aa2db5e932fcbd8290ff71d87a18
SHA25683462380beecc2911ed21662a30a1b29f8a7c1fe29422ded19602fc81e13b2e1
SHA5122b9a0d289ef5c876edcdc8af7484808b88cbf3b180f8f84bb88fac7b8f863ed8341c1f37298c2bcc1413d5998c6fe40547ee3593d2248333239f1a0dcb5f7e73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5d83c59bf86288097601d0151d22a7f
SHA1e1a09362c8e21b8854582de9bd43ce81d225bdd3
SHA256491ef0edbd85cd2f126a1fc0b04888ebf3ebf4183ae131de5370dddcde9b4228
SHA512267ca6e144612781923032c1dc726f45bcdb213edc55eea2442cc7bdd047cd4c302806e60a4b2147a236231d08cc31f23fb537bc43c87727a1b3cfdc60e7f14b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c0777a1cf198135aac017c967656828
SHA16f8bd4f975637b9e79efa46e373dba8055b4b2fa
SHA25650e5db695313336c4411763adc889a2eaaea4c5ded511aaf4d2fc12b04bb16dc
SHA51258ef604311221e145fbeabc3c5a5906721c4c48a3d9452a47518edf513f64dcdc920f052fd3949757e2348eb9b9fe04fda09fed538b4d7c5f2380819f2458427
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a16fb0f218a13f2d44bf22cd843142e
SHA113ab31d98c29ce1ea58e9a166337352070dd341d
SHA2569e421c7092881db7fdf54d77b851d48b4ab3c14ad7c82e117b9936eb6dba9682
SHA512575dac479a19d1c0ff9846e3fa50cfbb7167553eda932abab12e2b8540a6bbca9fee1f868139c2b969e7151539a6999c0ea1a13376bc03f22646927abdb4c08d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc9021fb9b5f9f6ca37ea9cac09637eb
SHA1118fabaa5ce7ce311d063378222f2856e9ee8f05
SHA2562cd6b9cdebea5e8351b9e74251bf38b615a1d9f0178d63651bb1b62e452a02f9
SHA512f269c4dfd3f47dd94b11ecd4077f6c350a7a60fda8bb5b795b40b321e490cf0cc18b97a16e4c6b00e94cc10d5e6a91421cee1177a9a9f4bcc42a7914d784e2b3
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Filesize
4.1MB
MD504505522e025cf61e4592405690c9068
SHA173c4ab3f6e69fdfafe9e42a60aba8225160b9e44
SHA256e8b4ebf8b325b79d06dcbae4a92fb0c7b4dd68684751c71fabc333aa7fca11ad
SHA512162a90dc5ac145913616e4690d4278229067c8b81e0ab5c6e1f4cb92d38a005798ac9b95c51de0873998ef9f44a7c1d0ef52ee8c904537d743ee85cd06f15162
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec