Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:46
Static task
static1
Behavioral task
behavioral1
Sample
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe
Resource
win10v2004-20240508-en
General
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Target
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe
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Size
4.1MB
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MD5
db9e8e6d1ea4c597ee5923d3e6b39224
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SHA1
093ab95e3debe5bef329c930020766fe27f19d6c
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SHA256
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc
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SHA512
55dd8fd6c3ce60af0bdc9a503ff86eb57739ff2ce5245a27cfebfca65dc8ac2005f4bf6a155a162ae2ec95eb014941ae2831e7e66e6c8098e962388645c66096
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SSDEEP
98304:LlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzU:R7B3j0rWdEQQ059Cfd4xbkE91KmI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3920-2-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/3920-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3920-4-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3920-51-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3920-54-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/2888-53-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3920-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2888-122-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2888-129-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-197-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-205-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-218-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-224-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-227-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4016-236-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3356 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4016 csrss.exe 1492 injector.exe 3076 windefender.exe 2376 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa83-208.dat upx behavioral2/memory/3076-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2376-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3076-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2376-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2376-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe File created C:\Windows\rss\csrss.exe aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2388 sc.exe -
pid Process 2932 powershell.exe 2260 powershell.exe 2776 powershell.exe 4436 powershell.exe 3476 powershell.exe 2960 powershell.exe 1980 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 1300 schtasks.exe 4744 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,-92 = "Pacific SA Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.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\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-2432 = "Cuba 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\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.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,-162 = "Central Standard 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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2260 powershell.exe 2260 powershell.exe 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2776 powershell.exe 2776 powershell.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 4436 powershell.exe 4436 powershell.exe 3476 powershell.exe 3476 powershell.exe 2960 powershell.exe 2960 powershell.exe 1980 powershell.exe 1980 powershell.exe 2932 powershell.exe 2932 powershell.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 4016 csrss.exe 4016 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 4016 csrss.exe 4016 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 4016 csrss.exe 4016 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Token: SeImpersonatePrivilege 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeDebugPrivilege 1980 powershell.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeSystemEnvironmentPrivilege 4016 csrss.exe Token: SeSecurityPrivilege 2388 sc.exe Token: SeSecurityPrivilege 2388 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3920 wrote to memory of 2260 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 85 PID 3920 wrote to memory of 2260 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 85 PID 3920 wrote to memory of 2260 3920 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 85 PID 2888 wrote to memory of 2776 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 90 PID 2888 wrote to memory of 2776 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 90 PID 2888 wrote to memory of 2776 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 90 PID 2888 wrote to memory of 2876 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 92 PID 2888 wrote to memory of 2876 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 92 PID 2876 wrote to memory of 3356 2876 cmd.exe 94 PID 2876 wrote to memory of 3356 2876 cmd.exe 94 PID 2888 wrote to memory of 4436 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 95 PID 2888 wrote to memory of 4436 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 95 PID 2888 wrote to memory of 4436 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 95 PID 2888 wrote to memory of 3476 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 98 PID 2888 wrote to memory of 3476 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 98 PID 2888 wrote to memory of 3476 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 98 PID 2888 wrote to memory of 4016 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 100 PID 2888 wrote to memory of 4016 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 100 PID 2888 wrote to memory of 4016 2888 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 100 PID 4016 wrote to memory of 2960 4016 csrss.exe 101 PID 4016 wrote to memory of 2960 4016 csrss.exe 101 PID 4016 wrote to memory of 2960 4016 csrss.exe 101 PID 4016 wrote to memory of 1980 4016 csrss.exe 107 PID 4016 wrote to memory of 1980 4016 csrss.exe 107 PID 4016 wrote to memory of 1980 4016 csrss.exe 107 PID 4016 wrote to memory of 2932 4016 csrss.exe 109 PID 4016 wrote to memory of 2932 4016 csrss.exe 109 PID 4016 wrote to memory of 2932 4016 csrss.exe 109 PID 4016 wrote to memory of 1492 4016 csrss.exe 111 PID 4016 wrote to memory of 1492 4016 csrss.exe 111 PID 3076 wrote to memory of 4436 3076 windefender.exe 117 PID 3076 wrote to memory of 4436 3076 windefender.exe 117 PID 3076 wrote to memory of 4436 3076 windefender.exe 117 PID 4436 wrote to memory of 2388 4436 cmd.exe 118 PID 4436 wrote to memory of 2388 4436 cmd.exe 118 PID 4436 wrote to memory of 2388 4436 cmd.exe 118 -
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\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.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:2888 -
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:2776
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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:2876 -
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:3356
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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:4436
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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:3476
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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:4016 -
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:2960
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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:1300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2052
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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:1980
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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:2932
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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:1492
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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:4744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3076 -
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:4436 -
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:2388
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2376
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD598699f12d7d66ac4586fb0290b09a478
SHA151807c9c2fe5565e848a2f58c0e00d7e1bf9ed8e
SHA256ec8530f0a8b661875d8d3be9c4e05371df8e2c7c629272285ca004c3db0f133c
SHA512591c0b1ebf5c78b261cea1685e92e6f41155fcf6cb66c83e86daf86e21e4460d0dd8928df1e2e4b659c1b002b234c5dc52a33321d441ca73bd9a9566d30ad62e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5534945e5f2923b125f42f1baa4a538aa
SHA168ffdbc464caf91a97bba4fab24e482a91e8a7f8
SHA256de4d9de46615057bc19385aec385791d8daa806b685648ce2dca3f35addf618e
SHA5125913b44713c695c92ee4a773128d069e883a9843338e642e32594ff4f305a62b3a3c4fcef414ec0ced48ad073fa4337763ba012aae92129c60c144c0e01190a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59933c7658d519d7b6c15b9d96171e132
SHA1013cd695ce804c19d7df3a9ac940b42f414e0927
SHA256fddd8bb031b9712b990019b861f9e2a9cd058f42aad209b571d9b8dfabd44c45
SHA512c21ce4ac4100e54363a20368998753ef639ba2add1a9829b865944b3d36d0b095e6c0457a579f515a066759e82f2f0cfa10e50606119f4dd35ed6f1fb92bb024
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f36d7e4e1fd588f5f0e7eb7c698945e6
SHA1948ea41a8da3f692f56d7df06c5a5748a6b9a0cf
SHA256d69565d1910421554dae1e09d9f79dd764c953bc8dc835a9d6b447ea27b930b0
SHA512c720abe6cccbb216b7e192eaa724c1f1d376bbe67e5bc8b80d0ff95c627fb0ce9e0eb568d49384e2eeb4361beca5f9254143fde2c36b5c39c43f55eb66776c35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5443505ff96ed1b326db1903d10fac875
SHA1866b5f627c7b12abf14038926233e1ef389ad7b7
SHA2562cb237d265341103764591b586c2449689040e4864b23b6ac4a859965b72cfad
SHA512079c3a12c7c101e949732b9cf93335db573f8aa1eeec3751063d993fed36e84790d73fec74222e4788af97897d00761926a7445fc208bfaa004e2da4280efb4c
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Filesize
4.1MB
MD5db9e8e6d1ea4c597ee5923d3e6b39224
SHA1093ab95e3debe5bef329c930020766fe27f19d6c
SHA256aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc
SHA51255dd8fd6c3ce60af0bdc9a503ff86eb57739ff2ce5245a27cfebfca65dc8ac2005f4bf6a155a162ae2ec95eb014941ae2831e7e66e6c8098e962388645c66096
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec