Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe
Resource
win11-20240412-en
General
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Target
0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe
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Size
4.2MB
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MD5
f1d83f9e7fbab49bf3dbef1f48b957df
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SHA1
22241766378b8dddefc21bf0d92bd3437004f090
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SHA256
0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab
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SHA512
7e9462192049374219d806120e66d61d81e483dc0ead0704f810a457de93897338dfecd22f695ee42a4aeb4e3cd2fa6384635d29d6bfc9d9b0ed960382201d02
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SSDEEP
98304:jtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHei:Bw6rquKXDtU1Y2GYniVjUHH
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1844-2-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral1/memory/1844-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1844-56-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1144-58-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1844-59-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral1/memory/1144-158-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-271-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-277-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-283-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-289-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3932-291-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4656 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3932 csrss.exe 1880 injector.exe 3688 windefender.exe 4464 windefender.exe -
resource yara_rule behavioral1/files/0x000500000001db23-263.dat upx behavioral1/memory/3688-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4464-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4464-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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\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 File created 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 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe File created C:\Windows\rss\csrss.exe 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.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 4140 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 516 1844 WerFault.exe 85 1020 1144 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4168 schtasks.exe 4764 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2928 powershell.exe 2928 powershell.exe 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 3220 powershell.exe 3220 powershell.exe 3220 powershell.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 4624 powershell.exe 4624 powershell.exe 4624 powershell.exe 4140 powershell.exe 4140 powershell.exe 4140 powershell.exe 4116 powershell.exe 4116 powershell.exe 4116 powershell.exe 2408 powershell.exe 2408 powershell.exe 2408 powershell.exe 4396 powershell.exe 4396 powershell.exe 4396 powershell.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3932 csrss.exe 3932 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3932 csrss.exe 3932 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3932 csrss.exe 3932 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2928 powershell.exe Token: SeDebugPrivilege 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Token: SeImpersonatePrivilege 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeSystemEnvironmentPrivilege 3932 csrss.exe Token: SeSecurityPrivilege 4140 sc.exe Token: SeSecurityPrivilege 4140 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1844 wrote to memory of 2928 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 90 PID 1844 wrote to memory of 2928 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 90 PID 1844 wrote to memory of 2928 1844 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 90 PID 1144 wrote to memory of 3220 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 100 PID 1144 wrote to memory of 3220 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 100 PID 1144 wrote to memory of 3220 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 100 PID 1144 wrote to memory of 3968 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 104 PID 1144 wrote to memory of 3968 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 104 PID 3968 wrote to memory of 4656 3968 cmd.exe 106 PID 3968 wrote to memory of 4656 3968 cmd.exe 106 PID 1144 wrote to memory of 4624 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 107 PID 1144 wrote to memory of 4624 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 107 PID 1144 wrote to memory of 4624 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 107 PID 1144 wrote to memory of 4140 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 110 PID 1144 wrote to memory of 4140 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 110 PID 1144 wrote to memory of 4140 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 110 PID 1144 wrote to memory of 3932 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 112 PID 1144 wrote to memory of 3932 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 112 PID 1144 wrote to memory of 3932 1144 0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe 112 PID 3932 wrote to memory of 4116 3932 csrss.exe 115 PID 3932 wrote to memory of 4116 3932 csrss.exe 115 PID 3932 wrote to memory of 4116 3932 csrss.exe 115 PID 3932 wrote to memory of 2408 3932 csrss.exe 121 PID 3932 wrote to memory of 2408 3932 csrss.exe 121 PID 3932 wrote to memory of 2408 3932 csrss.exe 121 PID 3932 wrote to memory of 4396 3932 csrss.exe 124 PID 3932 wrote to memory of 4396 3932 csrss.exe 124 PID 3932 wrote to memory of 4396 3932 csrss.exe 124 PID 3932 wrote to memory of 1880 3932 csrss.exe 126 PID 3932 wrote to memory of 1880 3932 csrss.exe 126 PID 3688 wrote to memory of 1332 3688 windefender.exe 132 PID 3688 wrote to memory of 1332 3688 windefender.exe 132 PID 3688 wrote to memory of 1332 3688 windefender.exe 132 PID 1332 wrote to memory of 4140 1332 cmd.exe 133 PID 1332 wrote to memory of 4140 1332 cmd.exe 133 PID 1332 wrote to memory of 4140 1332 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\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe"C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2928
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C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe"C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.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:1144 -
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:3220
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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:3968 -
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:4656
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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:4624
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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:4140
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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:3932 -
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:4116
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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:4168
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3212
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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:2408
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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:4396
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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:1880
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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:4764
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3688 -
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:1332 -
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:4140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 7563⤵
- Program crash
PID:1020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 7202⤵
- Program crash
PID:516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1844 -ip 18441⤵PID:4868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1144 -ip 11441⤵PID:3456
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4464
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556ad8b3f354cba560f8d5d5cd1aebb64
SHA17499d8d9d651d3f906f143299042c913697a4371
SHA25602969647efc77dd37a0197b1953e9021b94638c9d3bd3be1484d7bcd935501fa
SHA512b3371a7a51305e5193bb2d93ec42999d05340ea48fba94ad2f2199381095af4b87cad78336e671d9c5a78b2798dc8db89057c3f18e6958f8bcf81a08220db587
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8633a64e31974e43bad10c79ef75583
SHA11cb06bebf47c42a5c7aafbfbc1a637e1c20802d5
SHA2561020072a0574a6bd8ec2f25216c176f15048c4c92c02c91a4fc691911f1c6838
SHA51234e9083a659380d7c33de6af195cdd489eb3f027b79baea82e73b51a626806ebebc7d7f9c4113249b33384319f5fd4a061d41b401fd798dda6fd0147c6864118
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556dfdacd51f48e146aad51474a371709
SHA1b66177365da93c9f90d701d306c9faf3305fec7b
SHA256a3d4678a953f86b750e8a16feac37d82f311ce016433d06c859218f69e51baec
SHA51299e459283622836e4420916a9ab8d25734db878c0a84a3a175643759ec484edf6c66cf5bc00434ecf5bfbede42e8984acd3cd438b1bf058ff219209ed5861656
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e96790aface3d6322132274edcf90184
SHA11defb320f009bbc5e50b08f2d4525f895096ddba
SHA256c0c01e77094d093e3b1e8ac1cd618ad2e576baa0e21a1cfaf56be59aa48916da
SHA5124a60a20a58309768c546fa824c5ef3df8a767a729672896249abf405fcbe4de53f8053bb5ae6641dda2f57f0e8efc75a4886f6498f0ef854f054b599aa02f673
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a59b9ef8e1849cddb72abcf2b6517e8
SHA1c6af06f4facb2af1309a6ccf63e824753e84c1d4
SHA256fbca3261befe0ae9f925193f9dadb91a30b85285d93e0a190db338ede4123668
SHA512c51e723fe255147db5b13d42940ac319964ab0a23aa37ab3eec3b6f020873c50c3453119fb19cf15156fc211bafe66c3ca5e1f791e42cd767ddb851bcf7b5edc
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Filesize
4.2MB
MD5f1d83f9e7fbab49bf3dbef1f48b957df
SHA122241766378b8dddefc21bf0d92bd3437004f090
SHA2560702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab
SHA5127e9462192049374219d806120e66d61d81e483dc0ead0704f810a457de93897338dfecd22f695ee42a4aeb4e3cd2fa6384635d29d6bfc9d9b0ed960382201d02
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec