Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 09:14
Static task
static1
Behavioral task
behavioral1
Sample
1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe
Resource
win10v2004-20240226-en
General
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Target
1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe
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Size
4.1MB
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MD5
75a1fb17e8893053962c2fc151d12c92
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SHA1
5da1915e344afbf6d0e7d4123765095603b96f64
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SHA256
1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc
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SHA512
2509fab58409b01e5c6d114d9dbcb9f56d92e5a3a59e228a34a0d0cd3f60bf72fd339cf348d05ab3228776c3d7d496b2020cdb1b76d27d0263e5b64b3fc2eb34
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SSDEEP
98304:LgRVGUrisiZHITxHlWCqNT9XnW+Y0Z2lVC9bJceEq2h8:cRhriDVUx1qdBW+Y0ZaVC9j2+
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4120-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/4120-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4120-46-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4120-56-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/4452-57-0x0000000002990000-0x0000000002D8A000-memory.dmp family_glupteba behavioral1/memory/4452-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4120-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4452-108-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4452-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4452-151-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4452-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-291-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4752-294-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4752 csrss.exe 1072 injector.exe 3756 windefender.exe 5080 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023369-265.dat upx behavioral1/memory/3756-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe File created C:\Windows\rss\csrss.exe 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.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 2836 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1120 schtasks.exe 1552 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.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\22\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-392 = "Arab Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3164 powershell.exe 3164 powershell.exe 3164 powershell.exe 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 5084 powershell.exe 5084 powershell.exe 5084 powershell.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 4824 powershell.exe 4824 powershell.exe 4824 powershell.exe 4940 powershell.exe 4940 powershell.exe 4940 powershell.exe 3200 powershell.exe 3200 powershell.exe 3200 powershell.exe 1780 powershell.exe 1780 powershell.exe 1780 powershell.exe 4816 powershell.exe 4816 powershell.exe 4816 powershell.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 4752 csrss.exe 4752 csrss.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 4752 csrss.exe 4752 csrss.exe 1072 injector.exe 1072 injector.exe 4752 csrss.exe 4752 csrss.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe 1072 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Token: SeImpersonatePrivilege 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeSystemEnvironmentPrivilege 4752 csrss.exe Token: SeSecurityPrivilege 2836 sc.exe Token: SeSecurityPrivilege 2836 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4120 wrote to memory of 3164 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 96 PID 4120 wrote to memory of 3164 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 96 PID 4120 wrote to memory of 3164 4120 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 96 PID 4452 wrote to memory of 5084 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 106 PID 4452 wrote to memory of 5084 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 106 PID 4452 wrote to memory of 5084 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 106 PID 4452 wrote to memory of 2280 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 108 PID 4452 wrote to memory of 2280 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 108 PID 2280 wrote to memory of 2920 2280 cmd.exe 110 PID 2280 wrote to memory of 2920 2280 cmd.exe 110 PID 4452 wrote to memory of 4824 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 111 PID 4452 wrote to memory of 4824 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 111 PID 4452 wrote to memory of 4824 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 111 PID 4452 wrote to memory of 4940 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 114 PID 4452 wrote to memory of 4940 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 114 PID 4452 wrote to memory of 4940 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 114 PID 4452 wrote to memory of 4752 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 116 PID 4452 wrote to memory of 4752 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 116 PID 4452 wrote to memory of 4752 4452 1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe 116 PID 4752 wrote to memory of 3200 4752 csrss.exe 117 PID 4752 wrote to memory of 3200 4752 csrss.exe 117 PID 4752 wrote to memory of 3200 4752 csrss.exe 117 PID 4752 wrote to memory of 1780 4752 csrss.exe 122 PID 4752 wrote to memory of 1780 4752 csrss.exe 122 PID 4752 wrote to memory of 1780 4752 csrss.exe 122 PID 4752 wrote to memory of 4816 4752 csrss.exe 125 PID 4752 wrote to memory of 4816 4752 csrss.exe 125 PID 4752 wrote to memory of 4816 4752 csrss.exe 125 PID 4752 wrote to memory of 1072 4752 csrss.exe 128 PID 4752 wrote to memory of 1072 4752 csrss.exe 128 PID 3756 wrote to memory of 2572 3756 windefender.exe 134 PID 3756 wrote to memory of 2572 3756 windefender.exe 134 PID 3756 wrote to memory of 2572 3756 windefender.exe 134 PID 2572 wrote to memory of 2836 2572 cmd.exe 135 PID 2572 wrote to memory of 2836 2572 cmd.exe 135 PID 2572 wrote to memory of 2836 2572 cmd.exe 135 -
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\1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe"C:\Users\Admin\AppData\Local\Temp\1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3164
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C:\Users\Admin\AppData\Local\Temp\1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.exe"C:\Users\Admin\AppData\Local\Temp\1cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc.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:4452 -
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:5084
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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:2280 -
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:2920
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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:4824
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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:4940
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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:4752 -
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:3200
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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:1120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4824
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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:1780
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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:4816
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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:1072
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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:1552
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3756 -
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:2572 -
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:2836
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4056 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:81⤵PID:4960
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5080
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
MD5061e8cf716e41e21232d64853d69417d
SHA1f48c363760fc5a97c8efc143e8b79188b29396ba
SHA2560ba97d72258fe03f2f56cc95df609baa3e97e158430279cd088a45515aed10d1
SHA512d57cdee7f2ce9b19f95f7e918915f88057bc6a8f22f88f372e1f3c2d93055066b82b7a187b221ef94da45416f0fcfe4634a6b8272d79914c55acc3cb57ca8c87
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f81623d332fb3c76cf887b5ea578588
SHA14b08ea1871abeed21469dd0cc8718a95b0be86ea
SHA25649eb5cdb6a43a826f2837f1a976d9f44bde809c78f8967abc78c3c898a91917e
SHA5121277ae3f56f2bdd3c0ca26e235921d53266304d5934e727bfe5c0f382969ec8d19adde5788128a2b5a0d1bc6499249d558aae09d5e422a8a5dbcc45d3f63e9de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53cc1e13aed814fa4b10185f3c4098c3e
SHA191a4ad469800f705351102313f6c7669a3b56bcc
SHA2569d9a1cf46b4b68e376c8183b4d8b5ee9ed4a763435fd0e9408f4dafd14287ee9
SHA512aa18f3896e44a0d1263b861203ef2aca503839821dbb03d882ef3f49c9c24ccb9a527adfc6e8f0344ec4cdfcffd54e459f27666c455bb1b3d8eff004abe13433
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50098d21d801f313a6dc4ec1a855388ba
SHA149e44c5811480ccb54fe17eaf2c08f1a0b069d90
SHA256b905277914f4c8fd29ad1fedb8c1dae0100f9909a81df4ada8f3a85f9d608aaa
SHA5129cd8725ade9d11a100dc5ba09b869a4ce56027376c8bb30c35963ef696eba3ad1dd6f56f3d4a1fdf84ae660fd47669d885d62d552a2debad5e61b65b522f01c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f816d56824c0b20ee7a6e9d16110c69d
SHA154baba18d7dc9734175a6077d58ddb16683b3220
SHA2569799c8382e256d4bf7b1565053e5e69bbad2fd6fd5b74a63f7c3c00b7b2b2204
SHA5120a99f481a46d1d970e6d16c99fcfadee18f2a4354125fc4e35af5d873850e215f04023d3a5827b55826b4933e0176bf690b6e170e6ea3a72b82949cdaabbe214
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Filesize
4.1MB
MD575a1fb17e8893053962c2fc151d12c92
SHA15da1915e344afbf6d0e7d4123765095603b96f64
SHA2561cf4df547515ce5daa58158974b8af16290e53ee2a53c1875b4a0d9dd9b492fc
SHA5122509fab58409b01e5c6d114d9dbcb9f56d92e5a3a59e228a34a0d0cd3f60bf72fd339cf348d05ab3228776c3d7d496b2020cdb1b76d27d0263e5b64b3fc2eb34
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec