Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe
Resource
win10v2004-20240508-en
General
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Target
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe
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Size
4.1MB
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MD5
106c01ee4708203217f6f876e01a80fc
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SHA1
41ac4b60dd67ec71d2b9541f7ca840c19dc87294
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SHA256
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f
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SHA512
3c0b0a3ba432a5bb8a53d8a4876642f8f272b96e40bf1c169098bc40a23deb327f17071d48137e3371ac86904e1b29e677b193324afb73cac1026a0c77e54b01
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SSDEEP
98304:3jrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2O:Trhn/yCBZkM+pB3dzn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/748-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/748-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/740-56-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/748-94-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/740-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/740-135-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/2444-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2444-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 956 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2444 csrss.exe 3024 injector.exe 3928 windefender.exe 4228 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023439-219.dat upx behavioral1/memory/3928-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4228-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4228-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe File created C:\Windows\rss\csrss.exe dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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 4372 sc.exe -
pid Process 4796 powershell.exe 1668 powershell.exe 2712 powershell.exe 4828 powershell.exe 1008 powershell.exe 4844 powershell.exe 1392 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4000 schtasks.exe 1228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1008 powershell.exe 1008 powershell.exe 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4844 powershell.exe 4844 powershell.exe 4844 powershell.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 1392 powershell.exe 1392 powershell.exe 1392 powershell.exe 4796 powershell.exe 4796 powershell.exe 4796 powershell.exe 1668 powershell.exe 1668 powershell.exe 2712 powershell.exe 2712 powershell.exe 4828 powershell.exe 4828 powershell.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 2444 csrss.exe 2444 csrss.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 2444 csrss.exe 2444 csrss.exe 3024 injector.exe 3024 injector.exe 2444 csrss.exe 2444 csrss.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1008 powershell.exe Token: SeDebugPrivilege 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Token: SeImpersonatePrivilege 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 1392 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeSystemEnvironmentPrivilege 2444 csrss.exe Token: SeSecurityPrivilege 4372 sc.exe Token: SeSecurityPrivilege 4372 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 748 wrote to memory of 1008 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 87 PID 748 wrote to memory of 1008 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 87 PID 748 wrote to memory of 1008 748 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 87 PID 740 wrote to memory of 4844 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 97 PID 740 wrote to memory of 4844 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 97 PID 740 wrote to memory of 4844 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 97 PID 740 wrote to memory of 2416 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 101 PID 740 wrote to memory of 2416 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 101 PID 2416 wrote to memory of 956 2416 cmd.exe 103 PID 2416 wrote to memory of 956 2416 cmd.exe 103 PID 740 wrote to memory of 1392 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 104 PID 740 wrote to memory of 1392 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 104 PID 740 wrote to memory of 1392 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 104 PID 740 wrote to memory of 4796 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 107 PID 740 wrote to memory of 4796 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 107 PID 740 wrote to memory of 4796 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 107 PID 740 wrote to memory of 2444 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 109 PID 740 wrote to memory of 2444 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 109 PID 740 wrote to memory of 2444 740 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 109 PID 2444 wrote to memory of 1668 2444 csrss.exe 110 PID 2444 wrote to memory of 1668 2444 csrss.exe 110 PID 2444 wrote to memory of 1668 2444 csrss.exe 110 PID 2444 wrote to memory of 2712 2444 csrss.exe 116 PID 2444 wrote to memory of 2712 2444 csrss.exe 116 PID 2444 wrote to memory of 2712 2444 csrss.exe 116 PID 2444 wrote to memory of 4828 2444 csrss.exe 118 PID 2444 wrote to memory of 4828 2444 csrss.exe 118 PID 2444 wrote to memory of 4828 2444 csrss.exe 118 PID 2444 wrote to memory of 3024 2444 csrss.exe 120 PID 2444 wrote to memory of 3024 2444 csrss.exe 120 PID 3928 wrote to memory of 2256 3928 windefender.exe 127 PID 3928 wrote to memory of 2256 3928 windefender.exe 127 PID 3928 wrote to memory of 2256 3928 windefender.exe 127 PID 2256 wrote to memory of 4372 2256 cmd.exe 128 PID 2256 wrote to memory of 4372 2256 cmd.exe 128 PID 2256 wrote to memory of 4372 2256 cmd.exe 128 -
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\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1008
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C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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:740 -
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:4844
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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:2416 -
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:956
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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:1392
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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:4796
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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:2444 -
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:1668
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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:4000
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:956
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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:2712
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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:4828
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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:3024
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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:1228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3928 -
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:2256 -
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:4372
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4228
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f00854c462f4fec0069cd98642d579f
SHA15a45d9e7d56f6fe79e578910d07066da9cf3f5b5
SHA2564b1b97f031ef4fc82333803bab94ef088853bf4f3fd5ce0613b29ac9d0175b04
SHA512f4cf7ba27b5fa061ef1ae420c1906a42c7fb30b61760f73785de80d9ce3a8fb8fd2b84808ed13e706acf40b919b6548c7bf4f296fd143cbb9c20693ece61484e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a7cdeffad5ac2d1447834c064dbcd80
SHA12cd264be032dbbd41da02279c7f0ba0142a865af
SHA256f5dd496be88792fe09905a296e6a60101569d5d7c72440da6f929455e6da8f27
SHA5125307e138b0d57f780730280c9cac09c8444d75885d0360fb167d3911bacc9aa398ee9891b950911dfb6282e7a24cb6280323fbdb4fb40d0388f81211c0252c1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57117ad908ca9e5af5bb07de623fd2ef3
SHA127262bd969888c9db4f7284d13f7480de8789f5c
SHA2569dc2c422ff6e083acf4a1be29cdcd4d6402b632574beacb79ce28f9c510648c5
SHA5123f23833f78d7e842b3a91d1d550d58bd7cc3082d8c029217ed073d48cf8e102d6e0d2c27ca12287e5df0cc93714592ab49dec4fdff8ec765bc8c5312f54179c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a1f693067a1610555bf7ba9679eb30e
SHA1bfb7753dc396354f9f2936f09894cd7d7eed4c73
SHA2569944dcafb54426d557ed759a220239aa2dfb3d39aa0d4281269c3e9aaddaa858
SHA51213d1b7a30187011c71dcab320ed01ad66ebdb6d896c19cd4add41c3ecd3ffd119b5cd1d7ab6d38d92891894759eb7c43027967daa649f82e1544bf2b5551cdcc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acf713f47b2a0af34017329f1dff98ee
SHA1d320c7f1a28c0aff50f490b870d4fbe7cf09a6b2
SHA2563088ae39010133373defeca4a420d086712a1974290bf569ec749d02cca36730
SHA5129e765bd4c45859bb93d25736a4f014cdef846b8c97deb1ee20204da85e64b38bd0214c7f4b7f3c6458e322432df1133a97decdef4cd46c3111c9d8618f9fb78d
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Filesize
4.1MB
MD5106c01ee4708203217f6f876e01a80fc
SHA141ac4b60dd67ec71d2b9541f7ca840c19dc87294
SHA256dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f
SHA5123c0b0a3ba432a5bb8a53d8a4876642f8f272b96e40bf1c169098bc40a23deb327f17071d48137e3371ac86904e1b29e677b193324afb73cac1026a0c77e54b01
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec