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Analysis
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max time kernel
151s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/04/2024, 07:58
Static task
static1
Behavioral task
behavioral1
Sample
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe
Resource
win10v2004-20240226-en
General
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Target
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe
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Size
4.2MB
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MD5
0e4bbd7e4994d5673fa4bff0c35d34b4
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SHA1
24eb48964d2e2b03002e9767a288fd52bbb8a7b0
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SHA256
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1
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SHA512
fde273456ebfb59b913e3019ec03b1549fc8fd9f6de9f7400d408caada1e44a19b91cbbbf13606658f9e7ddc2d4c7f5fe306fa01f45465cda508fc547be4b494
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SSDEEP
98304:nWYTD4CiRAXSuxVnp+h0WN3qbzsOgCkg0/uBam+HdHFr6kg:nWYDyEfm0WN3qbzs94alHdHFC
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4804-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/4804-3-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4804-24-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4804-55-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/4804-52-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4084-56-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4084-71-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4084-115-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4084-119-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4084-149-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-216-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-250-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-259-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-261-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-263-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-265-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-267-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-269-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-271-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/1940-273-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 808 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1940 csrss.exe 656 injector.exe 4420 windefender.exe 2968 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a820-253.dat upx behavioral2/memory/4420-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2968-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2968-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe File created C:\Windows\rss\csrss.exe db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4916 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2180 4804 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 496 schtasks.exe 3864 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.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\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2112 powershell.exe 2112 powershell.exe 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3060 powershell.exe 3060 powershell.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 584 powershell.exe 584 powershell.exe 4544 powershell.exe 4544 powershell.exe 3516 powershell.exe 3516 powershell.exe 1300 powershell.exe 1300 powershell.exe 2772 powershell.exe 2772 powershell.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 1940 csrss.exe 1940 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 1940 csrss.exe 1940 csrss.exe 656 injector.exe 656 injector.exe 1940 csrss.exe 1940 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Token: SeImpersonatePrivilege 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 584 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeSystemEnvironmentPrivilege 1940 csrss.exe Token: SeSecurityPrivilege 4916 sc.exe Token: SeSecurityPrivilege 4916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4804 wrote to memory of 2112 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 81 PID 4804 wrote to memory of 2112 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 81 PID 4804 wrote to memory of 2112 4804 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 81 PID 4084 wrote to memory of 3060 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 89 PID 4084 wrote to memory of 3060 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 89 PID 4084 wrote to memory of 3060 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 89 PID 4084 wrote to memory of 2164 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 91 PID 4084 wrote to memory of 2164 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 91 PID 2164 wrote to memory of 808 2164 cmd.exe 93 PID 2164 wrote to memory of 808 2164 cmd.exe 93 PID 4084 wrote to memory of 584 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 94 PID 4084 wrote to memory of 584 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 94 PID 4084 wrote to memory of 584 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 94 PID 4084 wrote to memory of 4544 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 96 PID 4084 wrote to memory of 4544 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 96 PID 4084 wrote to memory of 4544 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 96 PID 4084 wrote to memory of 1940 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 98 PID 4084 wrote to memory of 1940 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 98 PID 4084 wrote to memory of 1940 4084 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 98 PID 1940 wrote to memory of 3516 1940 csrss.exe 99 PID 1940 wrote to memory of 3516 1940 csrss.exe 99 PID 1940 wrote to memory of 3516 1940 csrss.exe 99 PID 1940 wrote to memory of 1300 1940 csrss.exe 105 PID 1940 wrote to memory of 1300 1940 csrss.exe 105 PID 1940 wrote to memory of 1300 1940 csrss.exe 105 PID 1940 wrote to memory of 2772 1940 csrss.exe 107 PID 1940 wrote to memory of 2772 1940 csrss.exe 107 PID 1940 wrote to memory of 2772 1940 csrss.exe 107 PID 1940 wrote to memory of 656 1940 csrss.exe 109 PID 1940 wrote to memory of 656 1940 csrss.exe 109 PID 4420 wrote to memory of 4892 4420 windefender.exe 115 PID 4420 wrote to memory of 4892 4420 windefender.exe 115 PID 4420 wrote to memory of 4892 4420 windefender.exe 115 PID 4892 wrote to memory of 4916 4892 cmd.exe 116 PID 4892 wrote to memory of 4916 4892 cmd.exe 116 PID 4892 wrote to memory of 4916 4892 cmd.exe 116 -
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\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.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:4084 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060
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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:2164 -
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:808
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:584
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4544
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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:1940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3516
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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:496
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
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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:656
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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:3864
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4420 -
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:4892 -
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:4916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 7802⤵
- Program crash
PID:2180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4804 -ip 48041⤵PID:2156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2968
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523435a479169c6b779966c16e3b9a9bd
SHA123bd55eb27328cb3e46addba04ad34ed3a9872da
SHA256f3f0554ee850e57c9ac76879ebfe5d7f51625e905dad238c0d56ee36ed0d0cfd
SHA512441510a627a342dfa55f4d55c0cf83239b7a34fabec6aea581bb7d3aec370fe10d19cf8a397b2e30d935c7f63c51131ef1b4434a709949b50f2fafb7a32abb85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e55b0bc823adf33ae844d1b9cc24b518
SHA1bb850eb87df4d1ee1e93fa990820787bda806172
SHA256bb6539fb742f6b4abfff7ed67148c7ee725000783c95bb30473b722136bf872a
SHA51261ed260180e8876673752a2534b8e0182a16dc8aba935e98ea514ed0204a0f6963533a07dc5da4309c33de8e5c0e5f5479c57fd1c6a23ca72cee1cc57c67a218
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e2de9a3c578e1e504bc9120fa57447c
SHA1cb4f8602236023f57aa9f71f99c71fc64c3782f6
SHA256b5076a3692b45083b7a67866964997c2bfeff691f7ce4fe99b7c098c3064f09e
SHA51296221ff28f3407a128b927a42e1c54016cc522278161dd7acc4f4494d2d69a8a0b482cb126aa8df1bdd9b291e0edbdd57d98e2a243cf2851c979d55a9e2eee59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4e2037822430d6a4d17f3daabc1a355
SHA1a62bc941297d7a44947d7aa3daaad3d60fe705a0
SHA25676de6b8005e4484bc6c8c607b719b6c806777549adb73ae19bf3999625fb4c59
SHA512f637a53a1efd2060c0c1a1e3360e06042ae6d1e8f287c2231171a50481a75dcc56da103dbe9ca001d34ff9664882944e15ded515fc709ceab2948568e58d1d9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c0282e74071f65e8ca5bd0d66f666cb
SHA1b1ae3ff10908282ee9f64aa383d14c32ec6b0c48
SHA256729f5720e806622e29e31970bf5f84c872976c4eba275d7ea278ac674b4f33c8
SHA512313852120e496857aba45ab7517d14980e9b8b55f3b1efd493e8e1d935610c2c9f1f6a6440b053cea4f2c7a5b1ffdf863dfbc55020bbf781477fa45ae3828b13
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Filesize
4.2MB
MD50e4bbd7e4994d5673fa4bff0c35d34b4
SHA124eb48964d2e2b03002e9767a288fd52bbb8a7b0
SHA256db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1
SHA512fde273456ebfb59b913e3019ec03b1549fc8fd9f6de9f7400d408caada1e44a19b91cbbbf13606658f9e7ddc2d4c7f5fe306fa01f45465cda508fc547be4b494
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec