Analysis
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max time kernel
150s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:39
Static task
static1
Behavioral task
behavioral1
Sample
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe
Resource
win10v2004-20240508-en
General
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Target
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe
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Size
4.1MB
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MD5
b642129a947608e13ba27bb887e2aeda
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SHA1
f4e401d53b9c34b6ee6fc706afaf75091190d1e8
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SHA256
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3
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SHA512
c6f1b50d255c195ca7b1cbd21f4bdc05e24bf2a51c1fc04c3be2e9f161d997d8a7b792ff946a8820c027eca3d0aa3fc5f06ee25efa1a7c6b8039f00d1e13aca6
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpN2:E4G/GRAB9MdaGBolx/Wzu0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4816-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/4816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4816-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4816-54-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/4816-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4816-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2512-81-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2512-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-151-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3016-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2148 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3016 csrss.exe 4540 injector.exe 700 windefender.exe 3524 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5a-209.dat upx behavioral2/memory/700-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/700-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3524-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3524-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3524-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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\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 File created 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 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe File created C:\Windows\rss\csrss.exe 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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 1032 sc.exe -
pid Process 1764 powershell.exe 3608 powershell.exe 3412 powershell.exe 4952 powershell.exe 3500 powershell.exe 2300 powershell.exe 2580 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 1460 schtasks.exe 1660 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\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.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\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe 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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-381 = "South Africa 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" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 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\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1764 powershell.exe 1764 powershell.exe 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3608 powershell.exe 3608 powershell.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3412 powershell.exe 3412 powershell.exe 4952 powershell.exe 4952 powershell.exe 3500 powershell.exe 3500 powershell.exe 2300 powershell.exe 2300 powershell.exe 2580 powershell.exe 2580 powershell.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 3016 csrss.exe 3016 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 3016 csrss.exe 3016 csrss.exe 4540 injector.exe 4540 injector.exe 3016 csrss.exe 3016 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Token: SeImpersonatePrivilege 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeSystemEnvironmentPrivilege 3016 csrss.exe Token: SeSecurityPrivilege 1032 sc.exe Token: SeSecurityPrivilege 1032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4816 wrote to memory of 1764 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 82 PID 4816 wrote to memory of 1764 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 82 PID 4816 wrote to memory of 1764 4816 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 82 PID 2512 wrote to memory of 3608 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 87 PID 2512 wrote to memory of 3608 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 87 PID 2512 wrote to memory of 3608 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 87 PID 2512 wrote to memory of 3748 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 89 PID 2512 wrote to memory of 3748 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 89 PID 3748 wrote to memory of 2148 3748 cmd.exe 91 PID 3748 wrote to memory of 2148 3748 cmd.exe 91 PID 2512 wrote to memory of 3412 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 92 PID 2512 wrote to memory of 3412 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 92 PID 2512 wrote to memory of 3412 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 92 PID 2512 wrote to memory of 4952 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 2512 wrote to memory of 4952 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 2512 wrote to memory of 4952 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 2512 wrote to memory of 3016 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 96 PID 2512 wrote to memory of 3016 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 96 PID 2512 wrote to memory of 3016 2512 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 96 PID 3016 wrote to memory of 3500 3016 csrss.exe 97 PID 3016 wrote to memory of 3500 3016 csrss.exe 97 PID 3016 wrote to memory of 3500 3016 csrss.exe 97 PID 3016 wrote to memory of 2300 3016 csrss.exe 102 PID 3016 wrote to memory of 2300 3016 csrss.exe 102 PID 3016 wrote to memory of 2300 3016 csrss.exe 102 PID 3016 wrote to memory of 2580 3016 csrss.exe 105 PID 3016 wrote to memory of 2580 3016 csrss.exe 105 PID 3016 wrote to memory of 2580 3016 csrss.exe 105 PID 3016 wrote to memory of 4540 3016 csrss.exe 107 PID 3016 wrote to memory of 4540 3016 csrss.exe 107 PID 700 wrote to memory of 2316 700 windefender.exe 113 PID 700 wrote to memory of 2316 700 windefender.exe 113 PID 700 wrote to memory of 2316 700 windefender.exe 113 PID 2316 wrote to memory of 1032 2316 cmd.exe 114 PID 2316 wrote to memory of 1032 2316 cmd.exe 114 PID 2316 wrote to memory of 1032 2316 cmd.exe 114 -
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\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1764
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C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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:2512 -
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:3608
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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:3748 -
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:2148
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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:3412
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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:4952
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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:3016 -
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:3500
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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:1460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2972
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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:2300
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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:2580
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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:4540
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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:1660
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:700 -
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:2316 -
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:1032
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3524
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
MD55b37253ef977c542f929a20d3ba77182
SHA1ed267e27c3203fec22c86cee3739169f41186017
SHA25600eaa53b152288a5059048043bf71271db6ae909fa618a6399116c176b1201ff
SHA512589bcc3688794f379922c6b17efb7ef0471be30c076908c18f10761994151a88f12d8085717be7f639cba0683ac2b1cb59ec61f8a15725f70c18ccc2abfa3ad4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5764b7306dcd490309e7cb8e50ed8249e
SHA18ed913ffaed0d3cd762da6c4e9618bac81dad46d
SHA25609587891a3ca900d47f4d6306de0be34f57a2dabf5efb5ef4bd76658438856f0
SHA51270fe9e204402d3df6ce5d8f5fe8a4547cff6e101cddc7644b8c65b36dea8b977b7e03c37ebfcc9ed4dd4f9f3ed8491c09eeb79409579505bb8241c4a9885ff78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510214464bdc672df0c58d2d9b8b64e03
SHA183d6ac821c8c6fa83f0856c912759d931f7ee527
SHA256ecc532aaf3e9216f1d69f9915a6c7b53bf97f1a798e88464f6853b438ac85323
SHA512df43cc4a300f8b21835e1966215558fa3b6b427f1f8ff92a6f8582a956f0445fdcd5f85180168aa65441ae0cfedfff49daa0a9ce386393eb42576fceb79bfa80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ac7e6a7d88424f74ffd54fdb032938b
SHA1dde5cfe1390226c081283a25a2d895dce3ff5b8f
SHA2565d6fd872321e95de04b465ca62c77e19cefa6be3135ebb6d680eea675b7cb64d
SHA5127f053dcec78d0f211d568b52eacbcc8a811fb2fededb6a9af62b18fd0ceb9f842803e429f0f7e3a85cb78b4fa2d881ba5e5bc74478257faa53eef2c9d4a52d73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e331bded8652786bd3d3afb96b410331
SHA1083684741d96b9c5e7bfc144b10cc194b75dca47
SHA25663aefa2d52846c1fd515e4a80e469f7fa5adc43b560a544ff36ccce60b2e28bc
SHA5122e63f6ba0530eba62ce7d198e08dc4314e23104538f64ff06e55eed07907f83479948a1b431eedb3a9ec2495c98b78fdbf1e5283353cd40ee157d2669307f8ed
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Filesize
4.1MB
MD5b642129a947608e13ba27bb887e2aeda
SHA1f4e401d53b9c34b6ee6fc706afaf75091190d1e8
SHA25694af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3
SHA512c6f1b50d255c195ca7b1cbd21f4bdc05e24bf2a51c1fc04c3be2e9f161d997d8a7b792ff946a8820c027eca3d0aa3fc5f06ee25efa1a7c6b8039f00d1e13aca6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec