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Analysis
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max time kernel
150s -
max time network
159s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/03/2024, 06:02
Static task
static1
Behavioral task
behavioral1
Sample
6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe
Resource
win10v2004-20240226-en
General
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Target
6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe
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Size
4.1MB
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MD5
be4ada03c4f584bb3b6137c9cf83759a
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SHA1
488f15239c84975602db9fa9c0b115ff3431045e
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SHA256
6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011
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SHA512
ad5f477cd54530ed20a75671306a87080a8283796c72d6dbc2ddb94e5b5ca472253e7c79f1497c54afa905deced038fc264e28f0cb70d029b3aeec6683856723
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SSDEEP
98304:Fi3FoZ44thcjlr7fgbwLUVjn0rIORDIw1LnV4sT:c3y44bcjibdVjn0saEOLVzT
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1972-2-0x0000000003200000-0x0000000003AEB000-memory.dmp family_glupteba behavioral2/memory/1972-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1972-45-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1972-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1972-53-0x0000000003200000-0x0000000003AEB000-memory.dmp family_glupteba behavioral2/memory/2240-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2240-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2240-94-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2240-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2240-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3968-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3292 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3968 csrss.exe 4120 injector.exe 3820 windefender.exe 2920 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a802-251.dat upx behavioral2/memory/3820-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2920-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2920-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\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 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe File created C:\Windows\rss\csrss.exe 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe File created 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 4772 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 3168 schtasks.exe 4936 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland 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,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.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\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.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\Microsoft\SystemCertificates\trust\CTLs powershell.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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.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,-681 = "E. Australia 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\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2871 = "Magallanes Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-191 = "Mountain Daylight 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" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.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" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.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,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2924 powershell.exe 2924 powershell.exe 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 4792 powershell.exe 4792 powershell.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 2852 powershell.exe 2852 powershell.exe 3512 powershell.exe 3512 powershell.exe 3196 powershell.exe 3196 powershell.exe 228 powershell.exe 228 powershell.exe 3060 powershell.exe 3060 powershell.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 3968 csrss.exe 3968 csrss.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 3968 csrss.exe 3968 csrss.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 4120 injector.exe 3968 csrss.exe 3968 csrss.exe 4120 injector.exe 4120 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Token: SeImpersonatePrivilege 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeSystemEnvironmentPrivilege 3968 csrss.exe Token: SeSecurityPrivilege 4772 sc.exe Token: SeSecurityPrivilege 4772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2924 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 81 PID 1972 wrote to memory of 2924 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 81 PID 1972 wrote to memory of 2924 1972 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 81 PID 2240 wrote to memory of 4792 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 86 PID 2240 wrote to memory of 4792 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 86 PID 2240 wrote to memory of 4792 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 86 PID 2240 wrote to memory of 1400 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 88 PID 2240 wrote to memory of 1400 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 88 PID 1400 wrote to memory of 3292 1400 cmd.exe 90 PID 1400 wrote to memory of 3292 1400 cmd.exe 90 PID 2240 wrote to memory of 2852 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 91 PID 2240 wrote to memory of 2852 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 91 PID 2240 wrote to memory of 2852 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 91 PID 2240 wrote to memory of 3512 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 93 PID 2240 wrote to memory of 3512 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 93 PID 2240 wrote to memory of 3512 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 93 PID 2240 wrote to memory of 3968 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 95 PID 2240 wrote to memory of 3968 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 95 PID 2240 wrote to memory of 3968 2240 6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe 95 PID 3968 wrote to memory of 3196 3968 csrss.exe 96 PID 3968 wrote to memory of 3196 3968 csrss.exe 96 PID 3968 wrote to memory of 3196 3968 csrss.exe 96 PID 3968 wrote to memory of 228 3968 csrss.exe 102 PID 3968 wrote to memory of 228 3968 csrss.exe 102 PID 3968 wrote to memory of 228 3968 csrss.exe 102 PID 3968 wrote to memory of 3060 3968 csrss.exe 104 PID 3968 wrote to memory of 3060 3968 csrss.exe 104 PID 3968 wrote to memory of 3060 3968 csrss.exe 104 PID 3968 wrote to memory of 4120 3968 csrss.exe 106 PID 3968 wrote to memory of 4120 3968 csrss.exe 106 PID 3820 wrote to memory of 2212 3820 windefender.exe 112 PID 3820 wrote to memory of 2212 3820 windefender.exe 112 PID 3820 wrote to memory of 2212 3820 windefender.exe 112 PID 2212 wrote to memory of 4772 2212 cmd.exe 113 PID 2212 wrote to memory of 4772 2212 cmd.exe 113 PID 2212 wrote to memory of 4772 2212 cmd.exe 113 -
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\6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe"C:\Users\Admin\AppData\Local\Temp\6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2924
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C:\Users\Admin\AppData\Local\Temp\6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.exe"C:\Users\Admin\AppData\Local\Temp\6af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011.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:2240 -
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:4792
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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:1400 -
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:3292
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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:2852
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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:3512
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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:3968 -
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:3196
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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:3168
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1876
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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:228
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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:3060
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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:4120
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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:4936
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3820 -
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:2212 -
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:4772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2920
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4ad87115e01c68435664556dd4b3b5c
SHA18efa795ab2f029a7d8dfbd7b5759409a1907e951
SHA2566ad605297e00574239612981a1b7a81be4a04d2aae92591e8bde90e2b57f183e
SHA512607a1bef10e3534b99cbfc06f8a6f70d89ac334f6390721a2b5f5050dc12022a80d1bd4e2a42915ef9b79a2d8e21aad2f5b4e5e81f07c72c08b5d969d947aba4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538f92ca4328d2ecec92607f815a37ea7
SHA1709807671770f48842508510dbd0941042327b9d
SHA256da1fb5522d30197e6bd8a9d3fbbd5b03504159aaba4f3952871148626e0e5f45
SHA512268b2e1b2f991214fa162c43942ad977b9e8a09b411a637076f03d10f002a212466cd1bb978699af655288fa32e52fd0fb498aa4f4b6dfb3a2c9bc0e05f6ade5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5959dbd76749490167239bd1669c658cf
SHA1e7c7a64f77b8a4faaf40395ff4c012acd0f68fcf
SHA25652529dbacbea3456bb71a9d5a893a19a1f45a584eca6751131c4026d307725a3
SHA512389b4853e6783eef37fb64c41d12e7114b216296e0753b78a0ef1ce435fa66d3edd756a21a8b91a7ca9b2f6f092b9519f77ba27b7f2fe77a6f979ba9b598d0fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5045182c3d94a52a20d2e58b6f583f63c
SHA1732dd0d3f82fbe8d22022b02b7c9939232dac208
SHA256fbe4bd8cc31de327d3123da911f432e542a7ac0434967cff3a959a6ae4aba22c
SHA51219c820a4bc0f77d8ad1f756bb178140449523e70c09f4e0c550a501d75c16643659678b082a1e980eb7b09b4625c5c6b9b212891d59f859e48e9b2edbcfa0292
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c61851199776ea3838f2bbcabe38736
SHA124091be4a6d153383d7c433332300fe30e63b8ce
SHA2562539cd32574b75f19614c1b08a1361cc9253769bbc50089dcb417e3f8718fe79
SHA512bf39dc67fe47e13581de8d288df383c618c7e5f668978b1732898a1cafed822ec2277d10e8711d1967c4cac7c4641169bf818bd800febc975a5841b4e7bdf005
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Filesize
896KB
MD5ac96bb9d23954d330e07acbe91ea7d3a
SHA19323fab01f26473b128e1b3bd59d222fa38c1435
SHA2561512eb054dbf7b20854b8993dc4767d73eb8aa973e43010182da9a46b2ad0276
SHA51233049dd2a348cc257d4d49fbb3f5d9829e519dd456e583e0d9f1df21678d01a4e5539884b088fade5132b334b202b72660e0172c8c4af84dd39b0d2051645854
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Filesize
4.1MB
MD5be4ada03c4f584bb3b6137c9cf83759a
SHA1488f15239c84975602db9fa9c0b115ff3431045e
SHA2566af2fccb34fa2671362f61a83863bd432395a56a794be4aeba182e07fd32c011
SHA512ad5f477cd54530ed20a75671306a87080a8283796c72d6dbc2ddb94e5b5ca472253e7c79f1497c54afa905deced038fc264e28f0cb70d029b3aeec6683856723
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec