Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe
Resource
win10v2004-20240426-en
General
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Target
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe
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Size
4.1MB
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MD5
6004fdf731bd0126fb74902cb28b76c9
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SHA1
be61eede81bf60e5a8e95644e2efe96ef6591ed9
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SHA256
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd
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SHA512
0ee80a4a68ec681a82310487688c0c77af79b54d82335f5660094c72b5738b809ac4c079e727d121940e91aa3b961c825ec6bfda41cb260c1068c635773557de
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jc9:ZI9hoq9wC6uGlB/xg9
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3936-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3936-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3648-56-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/3936-107-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3648-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2132 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2896 csrss.exe 2508 injector.exe 932 windefender.exe 4480 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023443-220.dat upx behavioral1/memory/932-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4480-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/932-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4480-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4480-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe File created C:\Windows\rss\csrss.exe e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1048 sc.exe -
pid Process 2884 powershell.exe 2684 powershell.exe 3204 powershell.exe 2360 powershell.exe 3900 powershell.exe 4868 powershell.exe 1672 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 4696 schtasks.exe 4028 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,-912 = "Mauritius Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight 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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2884 powershell.exe 2884 powershell.exe 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2684 powershell.exe 2684 powershell.exe 2684 powershell.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 3204 powershell.exe 3204 powershell.exe 3204 powershell.exe 2360 powershell.exe 2360 powershell.exe 3900 powershell.exe 3900 powershell.exe 4868 powershell.exe 4868 powershell.exe 4868 powershell.exe 1672 powershell.exe 1672 powershell.exe 1672 powershell.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2896 csrss.exe 2508 injector.exe 2896 csrss.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2896 csrss.exe 2896 csrss.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2896 csrss.exe 2896 csrss.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe 2508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Token: SeImpersonatePrivilege 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Token: SeDebugPrivilege 2684 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 4868 powershell.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeSystemEnvironmentPrivilege 2896 csrss.exe Token: SeSecurityPrivilege 1048 sc.exe Token: SeSecurityPrivilege 1048 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3936 wrote to memory of 2884 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 3936 wrote to memory of 2884 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 3936 wrote to memory of 2884 3936 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 3648 wrote to memory of 2684 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 3648 wrote to memory of 2684 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 3648 wrote to memory of 2684 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 3648 wrote to memory of 1580 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 101 PID 3648 wrote to memory of 1580 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 101 PID 1580 wrote to memory of 2132 1580 cmd.exe 103 PID 1580 wrote to memory of 2132 1580 cmd.exe 103 PID 3648 wrote to memory of 3204 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 104 PID 3648 wrote to memory of 3204 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 104 PID 3648 wrote to memory of 3204 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 104 PID 3648 wrote to memory of 2360 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 106 PID 3648 wrote to memory of 2360 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 106 PID 3648 wrote to memory of 2360 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 106 PID 3648 wrote to memory of 2896 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 108 PID 3648 wrote to memory of 2896 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 108 PID 3648 wrote to memory of 2896 3648 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 108 PID 2896 wrote to memory of 3900 2896 csrss.exe 109 PID 2896 wrote to memory of 3900 2896 csrss.exe 109 PID 2896 wrote to memory of 3900 2896 csrss.exe 109 PID 2896 wrote to memory of 4868 2896 csrss.exe 114 PID 2896 wrote to memory of 4868 2896 csrss.exe 114 PID 2896 wrote to memory of 4868 2896 csrss.exe 114 PID 2896 wrote to memory of 1672 2896 csrss.exe 117 PID 2896 wrote to memory of 1672 2896 csrss.exe 117 PID 2896 wrote to memory of 1672 2896 csrss.exe 117 PID 2896 wrote to memory of 2508 2896 csrss.exe 119 PID 2896 wrote to memory of 2508 2896 csrss.exe 119 PID 932 wrote to memory of 5020 932 windefender.exe 126 PID 932 wrote to memory of 5020 932 windefender.exe 126 PID 932 wrote to memory of 5020 932 windefender.exe 126 PID 5020 wrote to memory of 1048 5020 cmd.exe 127 PID 5020 wrote to memory of 1048 5020 cmd.exe 127 PID 5020 wrote to memory of 1048 5020 cmd.exe 127 -
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\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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:3648 -
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:2684
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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:1580 -
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:2132
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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:3204
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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:2360
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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:2896 -
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:3900
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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:4696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4560
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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:4868
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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:1672
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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:2508
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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:4028
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:932 -
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:5020 -
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:1048
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4480
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524141eb0d559bc2feb811c9653e4d823
SHA17b30157161cb1a6b4fd59462be928ce6eb52df77
SHA256ee9ae38870d9f21794a211f5626fab68ad941a19b0952cd94e74ec98d409102c
SHA512f206542e1982219d491972782f428239601b310d3eb78222731395d6a8337bae928a89a8dde0caa1331508dd6ceae457a014c9256f6868744b0e003f59660ecb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a1f1ff907b1785aa3a1068e66809e28
SHA1d4ac7a369aeb940991f5b37e6d06508a1b6e8359
SHA25660b7566083f70dc94dc6ae71b6dc3fa3bef11a6e973024138cf0cd316c4fe643
SHA5123368e6994b26b0747a80f086556eb37f2744745bd314c67c2544c14d8851c03a25e60bc4478da2d55e71f64275d1608e5a7e08ae8f9bc574867f612c5dbe9bdd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52eb09553b89f6d48771856991513ebff
SHA160afccae002e708e6a8d4e25954cf1f2711c4326
SHA256743616311e5f987bc497d732c1d7d4c478ac48a4aed037d9e5026ca5b35fa29b
SHA512af9f2bc86bf055620860faac2ddb4f0680e1bfd01ef3813ee076ce9ef08a42ea10483123ccb2c380221e5fabadf9abaad1cb20c5e8a3a47761fd8b1f8063d251
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51eec66828ac2201cdadad3c8daedd188
SHA1cfcabbc22ac5bb7210d1183906040d19492ff6ad
SHA256946d8670e141984d7216d73aae7823bec1f7fc4e9c8ce2e1a040da4fe2d6826f
SHA512538991e59f73a1d9ef84548ff6e2df71ce5df75ec634f9cb84e586b3e868a9f764151a3302a160d1c646393070b1382c31bb99c86cdb6b4970acef482b53486e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51568d5ad72351873f4f43a3bfb90edac
SHA17501dbfb9c6fae394d386c723b75c59c14f3c63d
SHA2568511e61b5b1fccb9570af4ee5c45f9bfd92cbec821e4e710eb87a68af9f23e6c
SHA512d9332fcc28828d3b88babb1e5952618876dce28d0e5a1eeb73f2a9d9b710e6b67f109defa807ace89fdaf2bb3f4de398623664f77356d9b4197a759842ac7a74
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Filesize
4.1MB
MD56004fdf731bd0126fb74902cb28b76c9
SHA1be61eede81bf60e5a8e95644e2efe96ef6591ed9
SHA256e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd
SHA5120ee80a4a68ec681a82310487688c0c77af79b54d82335f5660094c72b5738b809ac4c079e727d121940e91aa3b961c825ec6bfda41cb260c1068c635773557de
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec