Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 09:52
Static task
static1
Behavioral task
behavioral1
Sample
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe
Resource
win10v2004-20240508-en
General
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Target
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe
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Size
4.1MB
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MD5
a31b1d2582d9f6a1fc56a8343095a919
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SHA1
68994f7f0cb73ff36d22635f950818e41cbb5c3a
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SHA256
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5
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SHA512
3606db1fa155bc5698279183b8a35fdaf0b93f438b37b76bdcc5ff0238babf2411030a7bc7659cd10aa4bf7e76b93c7e8b715a6b9c1ffdb37fd3312bb95dd7cc
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5K:8r7OagDbOPW/F2k5tRZaLro
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/3152-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-100-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/896-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4640-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2648 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4640 csrss.exe 8 injector.exe 3296 windefender.exe 5028 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa20-205.dat upx behavioral2/memory/3296-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3296-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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.
Processes:
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe -
Drops file in Windows directory 4 IoCs
Processes:
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe File created C:\Windows\rss\csrss.exe 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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 2704 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4252 powershell.exe 3772 powershell.exe 2908 powershell.exe 2248 powershell.exe 3596 powershell.exe 684 powershell.exe 2560 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 484 schtasks.exe 696 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exewindefender.exepowershell.exepowershell.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,-2391 = "Aleutian Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-2161 = "Altai 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 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,-2372 = "Easter Island Standard Time" windefender.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,-142 = "Canada Central Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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,-1822 = "Russia TZ 1 Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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" 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exepowershell.exe09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2248 powershell.exe 2248 powershell.exe 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 3596 powershell.exe 3596 powershell.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 684 powershell.exe 684 powershell.exe 2560 powershell.exe 2560 powershell.exe 4252 powershell.exe 4252 powershell.exe 3772 powershell.exe 3772 powershell.exe 2908 powershell.exe 2908 powershell.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 4640 csrss.exe 4640 csrss.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 4640 csrss.exe 4640 csrss.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 4640 csrss.exe 4640 csrss.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Token: SeImpersonatePrivilege 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeSystemEnvironmentPrivilege 4640 csrss.exe Token: SeSecurityPrivilege 2704 sc.exe Token: SeSecurityPrivilege 2704 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3152 wrote to memory of 2248 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 83 PID 3152 wrote to memory of 2248 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 83 PID 3152 wrote to memory of 2248 3152 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 83 PID 896 wrote to memory of 3596 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 88 PID 896 wrote to memory of 3596 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 88 PID 896 wrote to memory of 3596 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 88 PID 896 wrote to memory of 2320 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 90 PID 896 wrote to memory of 2320 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 90 PID 2320 wrote to memory of 2648 2320 cmd.exe 92 PID 2320 wrote to memory of 2648 2320 cmd.exe 92 PID 896 wrote to memory of 684 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 93 PID 896 wrote to memory of 684 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 93 PID 896 wrote to memory of 684 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 93 PID 896 wrote to memory of 2560 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 95 PID 896 wrote to memory of 2560 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 95 PID 896 wrote to memory of 2560 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 95 PID 896 wrote to memory of 4640 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 97 PID 896 wrote to memory of 4640 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 97 PID 896 wrote to memory of 4640 896 09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe 97 PID 4640 wrote to memory of 4252 4640 csrss.exe 98 PID 4640 wrote to memory of 4252 4640 csrss.exe 98 PID 4640 wrote to memory of 4252 4640 csrss.exe 98 PID 4640 wrote to memory of 3772 4640 csrss.exe 103 PID 4640 wrote to memory of 3772 4640 csrss.exe 103 PID 4640 wrote to memory of 3772 4640 csrss.exe 103 PID 4640 wrote to memory of 2908 4640 csrss.exe 106 PID 4640 wrote to memory of 2908 4640 csrss.exe 106 PID 4640 wrote to memory of 2908 4640 csrss.exe 106 PID 4640 wrote to memory of 8 4640 csrss.exe 108 PID 4640 wrote to memory of 8 4640 csrss.exe 108 PID 3296 wrote to memory of 2000 3296 windefender.exe 114 PID 3296 wrote to memory of 2000 3296 windefender.exe 114 PID 3296 wrote to memory of 2000 3296 windefender.exe 114 PID 2000 wrote to memory of 2704 2000 cmd.exe 115 PID 2000 wrote to memory of 2704 2000 cmd.exe 115 PID 2000 wrote to memory of 2704 2000 cmd.exe 115 -
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\09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe"C:\Users\Admin\AppData\Local\Temp\09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Users\Admin\AppData\Local\Temp\09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.exe"C:\Users\Admin\AppData\Local\Temp\09d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5.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:896 -
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:3596
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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:2320 -
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:2648
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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:684
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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:2560
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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:4640 -
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:4252
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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:484
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4056
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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:3772
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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:2908
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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:8
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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:696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3296 -
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:2000 -
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:2704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5028
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eec5046234f5bd4c9b3f3bb654739e30
SHA1efc73cd7fef04696364a99102abdf607ac257ec6
SHA256e9cc3046bd4f92659a8f3523df3a378d7c42ec3098c88f1fc2b5fc1d6b9681e5
SHA512f2b98acba5e589821915b48fb711d6dfefa7eb7d2c0abb0072f1af156ab3d0e4d5cacd693d7a9eb4f6914f995ee3611caccb73871d392df3fe89bc499eef0fbd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e98ba16e9df8308b3e9dfa6c0a5aa18b
SHA1d4bd7d6c0b677f068907b54890023a75f765abf1
SHA256c61ca67b8daefa6375999125a7bf918cf8604fb5c5d439a0a61eaf4cfbf7203c
SHA51224101c1bb1ba5c0e6afe098da763985c1ffa027963c689183187bed01c647e68e18af7a9ffe5550910e9a7615a4d103f3b431bb95b4fff504a6de743469c56cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524bcbbec29c2b1182bdcdd6da5b71613
SHA1765cd24a79e1efe5e08951f36f9f2b574f2e1da3
SHA2563bf3b292da37be2e6c4132f0e9fb83553a54b39876dd35dafe18a110e178b180
SHA512f179eb4217516b82c49b9944b0764343b768beee4c6c1586d505a9de6e3532066182be42bf833e2b881ecea3fe98752cc9fcf37d492b6a079d3e05438c5f0f26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdc75bea277afc95ecb2941dd8d9eaa7
SHA16ad9450a035d0a12a21fa1831a4a9fb827183c0c
SHA256ed8dfc558618b324de105c48b52c60c5dfe9af5e5758720a2276636f767db22a
SHA51224d5309ed8fbb71ff8f638ee031ddb1c4f47701a095bbcc21353c16d7d64f59a04a521c899c91d10f594f1fbec62b80b71d0e609229d7a8708185b760c413c87
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e68e6206c5f6dc7bfd5c6b6a39b05a9
SHA1b2127770de26dc811a9d47cf8a655bf96201827b
SHA25621c9ababbad0154ab4ed787ceab78d1d753582e5dda7a61f107271d34af83053
SHA512679bbf690453958e6533032f1f25e45dca4f5c045313cb708def844c412d939b38dff414ea24d12b7b79da866d0af8f595c5f72548cda20cf1973dffb56d8f28
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Filesize
4.1MB
MD5a31b1d2582d9f6a1fc56a8343095a919
SHA168994f7f0cb73ff36d22635f950818e41cbb5c3a
SHA25609d82f3d8ba46d25124fd17d2161e9ae107eebf1ce9121814a0cef737b5e6bc5
SHA5123606db1fa155bc5698279183b8a35fdaf0b93f438b37b76bdcc5ff0238babf2411030a7bc7659cd10aa4bf7e76b93c7e8b715a6b9c1ffdb37fd3312bb95dd7cc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec