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Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 22:04
Static task
static1
Behavioral task
behavioral1
Sample
337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe
Resource
win10v2004-20240226-en
General
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Target
337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe
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Size
4.1MB
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MD5
736c06a9e18f2c622a4fddf636f61b2a
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SHA1
a46b7beb104f0f3f89744bacfbd74785a878ae75
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SHA256
337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3
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SHA512
aeb651c1342668f22411f71f4cd791ace1ecf45a642343c8c9f7ed51cf9d6e754edca9b7291f666c5aa65886536cd0d7d3c54893f08a2659113d449c315cde3d
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SSDEEP
98304:h7zJ39IX2U7X1+K7Ux/HsIRAXi7v0sWM34I+aATyCWf/EKmgc/mKdOC:Vl9IX2QX1hUiXi7fN/+aAOfilcC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1788-2-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/1788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-24-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-56-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/3116-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3116-93-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3116-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-291-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2140 csrss.exe 4852 injector.exe 4320 windefender.exe 4988 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023149-260.dat upx behavioral1/files/0x000c000000023149-262.dat upx behavioral1/memory/4320-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4988-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4988-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\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 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 -
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 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe File created C:\Windows\rss\csrss.exe 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.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 2444 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 864 schtasks.exe 1976 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard 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\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.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,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1048 powershell.exe 1048 powershell.exe 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 4136 powershell.exe 4136 powershell.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 2856 powershell.exe 2856 powershell.exe 4548 powershell.exe 4548 powershell.exe 2428 powershell.exe 2428 powershell.exe 3380 powershell.exe 3380 powershell.exe 3788 powershell.exe 3788 powershell.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 2140 csrss.exe 2140 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 2140 csrss.exe 2140 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 2140 csrss.exe 2140 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Token: SeImpersonatePrivilege 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeSystemEnvironmentPrivilege 2140 csrss.exe Token: SeSecurityPrivilege 2444 sc.exe Token: SeSecurityPrivilege 2444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1788 wrote to memory of 1048 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 88 PID 1788 wrote to memory of 1048 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 88 PID 1788 wrote to memory of 1048 1788 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 88 PID 3116 wrote to memory of 4136 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 98 PID 3116 wrote to memory of 4136 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 98 PID 3116 wrote to memory of 4136 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 98 PID 3116 wrote to memory of 3088 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 100 PID 3116 wrote to memory of 3088 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 100 PID 3088 wrote to memory of 4912 3088 cmd.exe 102 PID 3088 wrote to memory of 4912 3088 cmd.exe 102 PID 3116 wrote to memory of 2856 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 103 PID 3116 wrote to memory of 2856 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 103 PID 3116 wrote to memory of 2856 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 103 PID 3116 wrote to memory of 4548 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 106 PID 3116 wrote to memory of 4548 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 106 PID 3116 wrote to memory of 4548 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 106 PID 3116 wrote to memory of 2140 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 108 PID 3116 wrote to memory of 2140 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 108 PID 3116 wrote to memory of 2140 3116 337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe 108 PID 2140 wrote to memory of 2428 2140 csrss.exe 109 PID 2140 wrote to memory of 2428 2140 csrss.exe 109 PID 2140 wrote to memory of 2428 2140 csrss.exe 109 PID 2140 wrote to memory of 3380 2140 csrss.exe 116 PID 2140 wrote to memory of 3380 2140 csrss.exe 116 PID 2140 wrote to memory of 3380 2140 csrss.exe 116 PID 2140 wrote to memory of 3788 2140 csrss.exe 118 PID 2140 wrote to memory of 3788 2140 csrss.exe 118 PID 2140 wrote to memory of 3788 2140 csrss.exe 118 PID 2140 wrote to memory of 4852 2140 csrss.exe 121 PID 2140 wrote to memory of 4852 2140 csrss.exe 121 PID 4320 wrote to memory of 2256 4320 windefender.exe 132 PID 4320 wrote to memory of 2256 4320 windefender.exe 132 PID 4320 wrote to memory of 2256 4320 windefender.exe 132 PID 2256 wrote to memory of 2444 2256 cmd.exe 133 PID 2256 wrote to memory of 2444 2256 cmd.exe 133 PID 2256 wrote to memory of 2444 2256 cmd.exe 133 -
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\337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe"C:\Users\Admin\AppData\Local\Temp\337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1048
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C:\Users\Admin\AppData\Local\Temp\337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.exe"C:\Users\Admin\AppData\Local\Temp\337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3.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:3116 -
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:4136
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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:3088 -
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:4912
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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:2856
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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:4548
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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:2140 -
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:2428
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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:864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:320
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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:3380
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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:3788
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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:4852
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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:1976
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4320 -
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:2444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4988
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
MD562915d5c1e03c3bd64c1c57157c4b8cc
SHA17cf77867e22a97384a18af423ff52f49b9065fb5
SHA256d1a0c1772255fafc103e374d219b651aa1ce8837d48d9d51b0e06b8126703365
SHA5121b8c534f391016d8e86d7c827e0c4cc756e40bb80a3c1962cfc7c9097e8769a03fe8c08958f71ec27b4fd3104fdab660501daf2b29bf9126a38a479e18f4ca55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51635a00d3bc0d6684c2a28a895de5352
SHA1ec63b6a712e921f4486430b456a2579a65f4122e
SHA256ca44df0239837e8e4e2e1210951b3d216138937b5d1f72b5bd935095f15816df
SHA512179c7ecc46e88b5f91a2bc7deb3268dc75ac0d2c0e8cec7d3184425baa9fb38a73b9ef1f535c9d237ed4b4054bd8f2b4cd96cb86001de22a5a0cf805cbb518d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d4952d61ebe16431e175e1e5a5a26d2
SHA152f866af9b90797bb127414d50ae0a63f04821b4
SHA256c7bfa311003ae2fa66e69eb8ec79d25cc19692c95f914d7580c895320bc642c4
SHA512bc2cd04b51a45bdeaf5ca8b74e2d4d2059a3176dd32cad38da5b28260140d0fb6cafec52e58c99a1e48040ca74687a506fb978337152c323a0140bb6a8f66a62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e0108202fe99d124770f75025ec6c88
SHA1f013117c909cd0af3f8ea3c85d69a0487ca78068
SHA2563dad6d046b82334d3c2aa3c113604180b4a0f70595ae102913d823034cbf6329
SHA512ac79ff24bc056dd19c45994c3efc24ea391142e00892e2b5b7e3f4106b5bf729af86db022199fc30e6a5ed851bb2f3d53cb7a4275a7fdc194285a4981a12ffcc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58dc41bef2fd6a0564d25542a60916bef
SHA11973777dcdeb5c29f4e50f55cd9c30fbcb6f1a88
SHA2566a753f779bf957aa0a0f3490613e93b0debf5a2c9ea7d0bb825004a6115a2b1a
SHA51254cb800dbcd868bfd03720ccd2e2e193718a30a44502a77a4947c11900f78584bafcd797d1e5f1bdb19a1573f337f6412291b5029459a14611594127b06c8914
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Filesize
4.1MB
MD5736c06a9e18f2c622a4fddf636f61b2a
SHA1a46b7beb104f0f3f89744bacfbd74785a878ae75
SHA256337271e88113365bbe1dec42d11bff965649a190835cb44cdf8eed10451c6ab3
SHA512aeb651c1342668f22411f71f4cd791ace1ecf45a642343c8c9f7ed51cf9d6e754edca9b7291f666c5aa65886536cd0d7d3c54893f08a2659113d449c315cde3d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
1.4MB
MD558385e678e9903201b40df1d823ec125
SHA1bb39be7d978258f70a901127dd0911c74986d0e2
SHA256aebaa7113454c857e3205aa2e901063a90086ec8361fb0fe1c32a7a1b774d20d
SHA512ab6c999c3d0083f9ec3d2bf2d403a71464459a92fa6c819d4892a4659ca3acdf7eb30259651c5bc0fc15688374879db6f69e60079ae253edbcfca8b0c231a6c2