Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 12:39
Static task
static1
Behavioral task
behavioral1
Sample
9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe
Resource
win10v2004-20240426-en
General
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Target
9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe
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Size
4.1MB
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MD5
eb113ee3cd5b89c1235b6b8878f18316
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SHA1
8335278c468b820bd397c128c96ffa4c101bfd19
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SHA256
9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a
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SHA512
bace58061760ca099f9831a60430a790c5d6bbb894a12305c2fd6b95353ce58363187c623f08a2ef4cda7a1c8c9f23e78e56228185515f7366bb154a2deb17ec
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SSDEEP
98304:iEJIWEvfJYldNz1VWpL3L0cE4bvJAyhw6eqjyZouN:iEJJEv+l7zil3jygVjyyK
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4412-2-0x0000000004FE0000-0x00000000058CB000-memory.dmp family_glupteba behavioral1/memory/4412-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4412-55-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4412-57-0x0000000004FE0000-0x00000000058CB000-memory.dmp family_glupteba behavioral1/memory/4412-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4828-96-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4828-135-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-162-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-239-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-245-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-248-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4852-251-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4852 csrss.exe 1184 injector.exe 2608 windefender.exe 1960 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002348e-223.dat upx behavioral1/memory/2608-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1960-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1960-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1960-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe File created C:\Windows\rss\csrss.exe 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 648 sc.exe -
pid Process 1588 powershell.exe 4296 powershell.exe 4600 powershell.exe 1180 powershell.exe 2412 powershell.exe 112 powershell.exe 3264 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 5060 schtasks.exe 4076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.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\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4600 powershell.exe 4600 powershell.exe 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 1180 powershell.exe 1180 powershell.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 2412 powershell.exe 2412 powershell.exe 112 powershell.exe 112 powershell.exe 3264 powershell.exe 3264 powershell.exe 1588 powershell.exe 1588 powershell.exe 4296 powershell.exe 4296 powershell.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 4852 csrss.exe 4852 csrss.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 4852 csrss.exe 4852 csrss.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 4852 csrss.exe 4852 csrss.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe 1184 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Token: SeImpersonatePrivilege 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe Token: SeDebugPrivilege 1180 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 112 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeSystemEnvironmentPrivilege 4852 csrss.exe Token: SeSecurityPrivilege 648 sc.exe Token: SeSecurityPrivilege 648 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4412 wrote to memory of 4600 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 95 PID 4412 wrote to memory of 4600 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 95 PID 4412 wrote to memory of 4600 4412 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 95 PID 4828 wrote to memory of 1180 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 100 PID 4828 wrote to memory of 1180 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 100 PID 4828 wrote to memory of 1180 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 100 PID 4828 wrote to memory of 1724 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 103 PID 4828 wrote to memory of 1724 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 103 PID 1724 wrote to memory of 2408 1724 cmd.exe 105 PID 1724 wrote to memory of 2408 1724 cmd.exe 105 PID 4828 wrote to memory of 2412 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 106 PID 4828 wrote to memory of 2412 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 106 PID 4828 wrote to memory of 2412 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 106 PID 4828 wrote to memory of 112 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 108 PID 4828 wrote to memory of 112 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 108 PID 4828 wrote to memory of 112 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 108 PID 4828 wrote to memory of 4852 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 110 PID 4828 wrote to memory of 4852 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 110 PID 4828 wrote to memory of 4852 4828 9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe 110 PID 4852 wrote to memory of 3264 4852 csrss.exe 111 PID 4852 wrote to memory of 3264 4852 csrss.exe 111 PID 4852 wrote to memory of 3264 4852 csrss.exe 111 PID 4852 wrote to memory of 1588 4852 csrss.exe 117 PID 4852 wrote to memory of 1588 4852 csrss.exe 117 PID 4852 wrote to memory of 1588 4852 csrss.exe 117 PID 4852 wrote to memory of 4296 4852 csrss.exe 119 PID 4852 wrote to memory of 4296 4852 csrss.exe 119 PID 4852 wrote to memory of 4296 4852 csrss.exe 119 PID 4852 wrote to memory of 1184 4852 csrss.exe 121 PID 4852 wrote to memory of 1184 4852 csrss.exe 121 PID 2608 wrote to memory of 2972 2608 windefender.exe 127 PID 2608 wrote to memory of 2972 2608 windefender.exe 127 PID 2608 wrote to memory of 2972 2608 windefender.exe 127 PID 2972 wrote to memory of 648 2972 cmd.exe 128 PID 2972 wrote to memory of 648 2972 cmd.exe 128 PID 2972 wrote to memory of 648 2972 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\9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe"C:\Users\Admin\AppData\Local\Temp\9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600
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C:\Users\Admin\AppData\Local\Temp\9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.exe"C:\Users\Admin\AppData\Local\Temp\9a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a.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:4828 -
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:1180
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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:1724 -
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:2408
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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:2412
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112
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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:4852 -
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:3264
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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:5060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4720
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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:1588
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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:4296
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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:1184
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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:4076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2608 -
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:2972 -
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:648
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1960
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
MD5925b7ea6ca20352c03e13f80ddb1dde0
SHA119ec02b53dc10e8a6a8f87971657e1d3d543f6ff
SHA256cf430217cf86b99972c68158f9784689729242dc99c34d38a295d4d41f56e69f
SHA512cf67146fc41985ad3b1b39a69b32ab2a7670f06c4ee5eb0eb887bc30d684348f29b3dd273610554d1b639ae79854b7e0f45e1cfd80faec8672f32053a76ebfcc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511d8a2cd366a26ea6d392f9592c8fed8
SHA1f55181d1044ba49500c002c16c2f9e2c6aaa7ac9
SHA25624211df6a850a269a741126308feb990111bb8a2f740b719d4278c8594a46eb8
SHA512f51f17ee1ae1955c390f28ba56e65144a2a34dcb5bcc33ba3eafcaa4e570e2282358439deb3ec54d6e2b790ad97e3e9ef71f9c5db6e375088309643ec94f72eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c50a740710aefcdfcc3487d2c3383ef5
SHA176919650cf4cb2b3435adff007d8239181190350
SHA256f3713133a575ed2e9d47d55ff9af7bd8ec65f3f5cc871489a798e110c2941509
SHA5129ec464d4c177c72b2eaa8911c31808fb2b94b94f01df219a4786b5e803f5955b203217fe5f1413ab331a99158e77222d956a5aefdb1f6a945ce0a47ecc075d17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcde434d1652cd19ac9d27a1549fa95b
SHA1fa9a8b07a2c614ebccb28350811fa717cc93838b
SHA2569393dc266d991a2b093c23b2c90ea20fb40eadd3ac8cbfc688894119d741a6e0
SHA5126d10b2dec54c8c63b2763148dc2f2d97f7f28817455ff6ce2bedd95ca1a4bf2ace65e618baf19e87a4897ba2a47b4b0b528a23a51344dd5a3c37c87f59f3b960
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef2fadd55cde3805655092b366d0acbc
SHA1bb5477ba5bde639c02d5fb029a41856684ed192c
SHA256161e594a366323cdcbe263a991bef1b579f611ef0c8e1b0ab3f7389836fd9939
SHA5124bc4e12acb15509e58c85eb09a34a08d0f8e57c16a06f94cd4198ddc4186c37ecd4ba7bef095cd7435637a86d7dd805c894f52391da23ac392808692b777b05f
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Filesize
4.1MB
MD5eb113ee3cd5b89c1235b6b8878f18316
SHA18335278c468b820bd397c128c96ffa4c101bfd19
SHA2569a9daa58fdaf5062f0c2a10e20a858645f65558804b7e1e5d7d0853708f8d70a
SHA512bace58061760ca099f9831a60430a790c5d6bbb894a12305c2fd6b95353ce58363187c623f08a2ef4cda7a1c8c9f23e78e56228185515f7366bb154a2deb17ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec