Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 20:43
Static task
static1
Behavioral task
behavioral1
Sample
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe
Resource
win10v2004-20240412-en
General
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Target
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe
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Size
4.2MB
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MD5
02c62ee673d2a39edbd2dc599a0cad7d
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SHA1
845d3510168292d0a906fafdd709fec571a43fe5
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SHA256
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743
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SHA512
e511e00b8c58d313d9ccd3451cc426964dbe2eb666afa6eb33222776b45180487e60d1ce6d7f2377f4991d598406c664fc899c3e07c98c0c108b9a69a5588fe7
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SSDEEP
98304:rVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3LzD:RFYkS+E0uawLNQ+/9Bo7/T
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2860-2-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral1/memory/2860-3-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4824-56-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral1/memory/4824-57-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2860-83-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4824-221-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-258-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-268-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-272-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-276-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-280-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-284-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-288-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-292-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-296-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-300-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-304-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-308-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2976-312-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3548 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2976 csrss.exe 2088 injector.exe 848 windefender.exe 2852 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/848-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2852-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2852-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2852-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe -
Drops file in Windows directory 4 IoCs
Processes:
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.execsrss.exedescription ioc process File opened for modification C:\Windows\rss f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe File created C:\Windows\rss\csrss.exe f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.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.
Processes:
sc.exepid process 4888 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1156 schtasks.exe 2456 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exepowershell.exef93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2708 powershell.exe 2708 powershell.exe 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 1856 powershell.exe 1856 powershell.exe 1856 powershell.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe 4756 powershell.exe 4756 powershell.exe 4756 powershell.exe 3480 powershell.exe 3480 powershell.exe 3480 powershell.exe 4400 powershell.exe 4400 powershell.exe 4400 powershell.exe 1888 powershell.exe 1888 powershell.exe 1888 powershell.exe 3460 powershell.exe 3460 powershell.exe 3460 powershell.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2976 csrss.exe 2976 csrss.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2976 csrss.exe 2976 csrss.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2976 csrss.exe 2976 csrss.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Token: SeImpersonatePrivilege 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 3480 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeSystemEnvironmentPrivilege 2976 csrss.exe Token: SeSecurityPrivilege 4888 sc.exe Token: SeSecurityPrivilege 4888 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exef93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2860 wrote to memory of 2708 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 2860 wrote to memory of 2708 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 2860 wrote to memory of 2708 2860 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 1856 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 1856 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 1856 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 4260 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe cmd.exe PID 4824 wrote to memory of 4260 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe cmd.exe PID 4260 wrote to memory of 3548 4260 cmd.exe netsh.exe PID 4260 wrote to memory of 3548 4260 cmd.exe netsh.exe PID 4824 wrote to memory of 4756 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 4756 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 4756 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 3480 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 3480 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 3480 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe powershell.exe PID 4824 wrote to memory of 2976 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe csrss.exe PID 4824 wrote to memory of 2976 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe csrss.exe PID 4824 wrote to memory of 2976 4824 f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe csrss.exe PID 2976 wrote to memory of 4400 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 4400 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 4400 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 1888 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 1888 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 1888 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 3460 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 3460 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 3460 2976 csrss.exe powershell.exe PID 2976 wrote to memory of 2088 2976 csrss.exe injector.exe PID 2976 wrote to memory of 2088 2976 csrss.exe injector.exe PID 848 wrote to memory of 1880 848 windefender.exe cmd.exe PID 848 wrote to memory of 1880 848 windefender.exe cmd.exe PID 848 wrote to memory of 1880 848 windefender.exe cmd.exe PID 1880 wrote to memory of 4888 1880 cmd.exe sc.exe PID 1880 wrote to memory of 4888 1880 cmd.exe sc.exe PID 1880 wrote to memory of 4888 1880 cmd.exe sc.exe -
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\f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe"C:\Users\Admin\AppData\Local\Temp\f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708
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C:\Users\Admin\AppData\Local\Temp\f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.exe"C:\Users\Admin\AppData\Local\Temp\f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743.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:4824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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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:4260 -
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:3548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4756
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480
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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:2976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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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:1156
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2856
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3460
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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:2088
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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:2456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:848 -
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:1880 -
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:4888
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2852
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
MD52bbf7db90f53e90ca86ab260830d7138
SHA118b8e99d85680273141d546c55b0e47927ce1168
SHA256320daf8547c982f780f9197fbdf8f5384199e1779f12f357853364f36da4aee4
SHA512495791d408ddb8dbf0faf3b2936b4d4fa940debb03b959642a226df36635e3bfa5493f680621a6c0780b9646701b52337dff11bbc9e0e6ae0002690d720e2dc1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5cdf75be72cefb951f7d8b33dd4051a
SHA1561903a9c7601877e7ae5d012854f30bdaf9af19
SHA2569dce3c65736e88d599737a1139bea5983d1ffcaac5a1c8d23ad0ccdd5c733146
SHA5127045c2ff9a519d40f43b8a75f5d813a7371ca86f6b149a4289be61362d5f242cd2785c766bb00f0fece65c58aeb3bf99d7f2988238b279bf5fc630cd238fbea5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5222beb2751199ee5ccb2fd7fe1735603
SHA1a5e822dd959222ef175c966599d39910f556fc16
SHA2563de6345c01c7b273c7d25b14165c61bad10e3acfb875cceff693de4dd634f79b
SHA5124d8638390069fe9d98718e2a9362dc90ec830035faa9f00607ac0c89d671604553b1ae33f810fd4713f5aa88319b59450d74ba297b22aa81d36b3cfb02dba5ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b51fffd34785405ef7d8c9dc95f88424
SHA10b37edb5c8425463be0634f587fef29429fb77a5
SHA256e7f3ea5c24474b3f50bd43b8aa53616f70ed6293f924971664d14e15cd297c88
SHA512c0b728cce3694139d70862ead0c8f3137aa8007a2b4492fbc64e3c2890b4388a0ab3ddc814fa15961cd95a4912911812699c697ff61224d28fd79952bc44fb9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519899e895e3d7eac822e8ca4448468ac
SHA13a1e57afd0b6add20b3d0ff4d24b0f84decb0b5c
SHA25623d7803b5d88fdd0ff07a3ada16cafce3e7930223b993ca9bc6f69dfcd996b94
SHA512b1db07487b77ed7d6badf51ef1d12e01e7a1dea242fd8bfa56d2b0733e09b5f4d4041aabb4cc7976f789e367da9c3c583e5bd77f487695f6cddd0658f3c2a4a3
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Filesize
4.2MB
MD502c62ee673d2a39edbd2dc599a0cad7d
SHA1845d3510168292d0a906fafdd709fec571a43fe5
SHA256f93d70022884ae7bce1485dbd5b61567eb7c200dc552c1d73168c79d4269f743
SHA512e511e00b8c58d313d9ccd3451cc426964dbe2eb666afa6eb33222776b45180487e60d1ce6d7f2377f4991d598406c664fc899c3e07c98c0c108b9a69a5588fe7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec