Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 13:59
Static task
static1
Behavioral task
behavioral1
Sample
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Resource
win10v2004-20240426-en
General
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Target
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
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Size
4.1MB
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MD5
9a73e0d92def8600531efe11a49d1520
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SHA1
b23d6db5f2a94f28f82a37a18ec32540eea8179c
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SHA256
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381
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SHA512
a46e52703bbaadb1edde8585b17fc320bf64b6ae7b714224264ad42eccdfc69b865a3eb57d5e2e3e88c1f052d0b142499313fc84dee0c1243ea45ce0bff59851
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59Wp:UqU8A9EamDpImBOY9f2Np
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral1/memory/5612-138-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4592-177-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-208-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-218-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-254-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-258-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4560-262-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 744 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4560 csrss.exe 3744 injector.exe 3724 windefender.exe 2596 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000c00000002342e-212.dat upx behavioral1/memory/3724-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3724-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2596-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2596-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2596-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe -
Drops file in Windows directory 4 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe File created C:\Windows\rss\csrss.exe 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 5812 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5752 powershell.exe 5964 powershell.exe 5820 powershell.exe 5308 powershell.exe 5096 powershell.exe 2836 powershell.exe 1920 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1092 schtasks.exe 648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-842 = "Argentina Standard 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand 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" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.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,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5308 powershell.exe 5308 powershell.exe 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 5096 powershell.exe 5096 powershell.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 2836 powershell.exe 2836 powershell.exe 2836 powershell.exe 1920 powershell.exe 1920 powershell.exe 1920 powershell.exe 5752 powershell.exe 5752 powershell.exe 5752 powershell.exe 5964 powershell.exe 5964 powershell.exe 5820 powershell.exe 5820 powershell.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4560 csrss.exe 4560 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4560 csrss.exe 4560 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4560 csrss.exe 4560 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5308 powershell.exe Token: SeDebugPrivilege 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Token: SeImpersonatePrivilege 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 1920 powershell.exe Token: SeDebugPrivilege 5752 powershell.exe Token: SeDebugPrivilege 5964 powershell.exe Token: SeDebugPrivilege 5820 powershell.exe Token: SeSystemEnvironmentPrivilege 4560 csrss.exe Token: SeSecurityPrivilege 5812 sc.exe Token: SeSecurityPrivilege 5812 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5612 wrote to memory of 5308 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 83 PID 5612 wrote to memory of 5308 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 83 PID 5612 wrote to memory of 5308 5612 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 83 PID 4592 wrote to memory of 5096 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 94 PID 4592 wrote to memory of 5096 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 94 PID 4592 wrote to memory of 5096 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 94 PID 4592 wrote to memory of 5032 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 96 PID 4592 wrote to memory of 5032 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 96 PID 5032 wrote to memory of 744 5032 cmd.exe 98 PID 5032 wrote to memory of 744 5032 cmd.exe 98 PID 4592 wrote to memory of 2836 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 101 PID 4592 wrote to memory of 2836 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 101 PID 4592 wrote to memory of 2836 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 101 PID 4592 wrote to memory of 1920 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 103 PID 4592 wrote to memory of 1920 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 103 PID 4592 wrote to memory of 1920 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 103 PID 4592 wrote to memory of 4560 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 107 PID 4592 wrote to memory of 4560 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 107 PID 4592 wrote to memory of 4560 4592 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 107 PID 4560 wrote to memory of 5752 4560 csrss.exe 108 PID 4560 wrote to memory of 5752 4560 csrss.exe 108 PID 4560 wrote to memory of 5752 4560 csrss.exe 108 PID 4560 wrote to memory of 5964 4560 csrss.exe 115 PID 4560 wrote to memory of 5964 4560 csrss.exe 115 PID 4560 wrote to memory of 5964 4560 csrss.exe 115 PID 4560 wrote to memory of 5820 4560 csrss.exe 117 PID 4560 wrote to memory of 5820 4560 csrss.exe 117 PID 4560 wrote to memory of 5820 4560 csrss.exe 117 PID 4560 wrote to memory of 3744 4560 csrss.exe 119 PID 4560 wrote to memory of 3744 4560 csrss.exe 119 PID 3724 wrote to memory of 5748 3724 windefender.exe 125 PID 3724 wrote to memory of 5748 3724 windefender.exe 125 PID 3724 wrote to memory of 5748 3724 windefender.exe 125 PID 5748 wrote to memory of 5812 5748 cmd.exe 126 PID 5748 wrote to memory of 5812 5748 cmd.exe 126 PID 5748 wrote to memory of 5812 5748 cmd.exe 126 -
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\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5308
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C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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:4592 -
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:5096
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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:5032 -
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:744
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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:2836
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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:1920
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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:4560 -
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:5752
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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:1092
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:212
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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:5964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5820
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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:3744
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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:648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3724 -
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:5748 -
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:5812
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2596
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52840dad4faf05d2bb6e95a0125e12320
SHA10b122b2ef72f28d262f09d67b85d25f033642e6e
SHA256e9aee325481918e89b919491257013c8996de69aa9be3bb717e588c4807ce1af
SHA5125f78ac400e488c6495a00e451eb3ee7b6d83fc7655a7a39e4a856460d0d30e90a9ab54ae5ec8bae63db28bd1f9024ac0ae5adfb72c68e0b7ad71ffa5e1fd9563
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53af8a1def04d4cb9ba25b98024a9af89
SHA17bf034781fad4cd330934de9b8d72b911c0163d1
SHA256a4627a12fe50cf1281f433cf6bd18ab2ca6c6b7dd6d06b44267075c35d47a376
SHA51222bad62c265ff83b77a4aba869517d7c7bdb38613d569431f823b728bdca2a191ffc3ef17448d5de4a6baaba926dd2b66639b6769c9744f7a3f0826e10d63ea5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522402f7a36a344a3fbbde45569d9cb3d
SHA19072de13decdc634afc9dd95f62078e21675741f
SHA2565c20e24ef4f61b8b8c786030a268ff25ae14315b095946568b2d6e0da5b2d7b3
SHA5124f5e1b9ed2b9a5bb95bfe9228084b443e974e85b66c3a827ec2f03b573b543833abb43c43ab96462e11876e8e84d4187216a4a5de449824205c0d9abeac84828
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5371eb466a00539805579296c7d82ecd9
SHA1dea0d7bf0e21c564efb3ec0e26ae09a40086ee7d
SHA256339f2876a67bd7a81ff14d9b730c986ae5d0cb3469986a270bb93faab7ca76cd
SHA51276a961d7a32ecdec650606f548423eb18ad0b3b74aeac4b4a18c2894bc2f2638ae0c8ce1d72fea44e92176860db6c43cfa351839f7cd9d11b5dc6c7c846c1a23
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df4f269746a43f73dbdcacb3cbb9c7d2
SHA1cccad619877f34f0e3d796d3afd4da29dd0d7c0f
SHA256e525314fc28a334b90e380bc0cf60a534dd242830655de58601f4016a6d90bed
SHA51272b3fd1e71091d76c52a02e0219b69ebb5a7cad41175d6b5dbe16e28d7c98ab16f84d031434b9fe9af77d9517c8e8838114bf9dff20a3f4ba5c834eace5abf69
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Filesize
4.1MB
MD59a73e0d92def8600531efe11a49d1520
SHA1b23d6db5f2a94f28f82a37a18ec32540eea8179c
SHA256647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381
SHA512a46e52703bbaadb1edde8585b17fc320bf64b6ae7b714224264ad42eccdfc69b865a3eb57d5e2e3e88c1f052d0b142499313fc84dee0c1243ea45ce0bff59851
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec