Analysis
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max time kernel
150s -
max time network
150s -
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, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe
Resource
win10v2004-20240412-en
General
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Target
fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe
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Size
4.2MB
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MD5
8465b6d948021b454f089ec9eb7f71fe
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SHA1
1e230cfdb5a9f4101931f2e7cb9afc4ecc2646d5
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SHA256
fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86
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SHA512
4b618090d857731541bf3ef828ab17ca6ae715e15fc4aceab7814c42d33a401a0070dea6e7d789447340031fe54a32cf3df51658020db26bab5c219f53306c9a
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SSDEEP
98304:foZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJeN:f3OuIEug7vwUGt7S+nKD
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4984-2-0x0000000004010000-0x00000000048FB000-memory.dmp family_glupteba behavioral1/memory/4984-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4000-55-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/4000-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4984-58-0x0000000004010000-0x00000000048FB000-memory.dmp family_glupteba behavioral1/memory/4984-72-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4000-157-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-301-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-305-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-309-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1216-313-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4776 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1216 csrss.exe 3660 injector.exe 4504 windefender.exe 4404 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002346f-262.dat upx behavioral1/memory/4504-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4404-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4404-279-0x0000000000400000-0x00000000008DF000-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\"" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.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 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 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe File created C:\Windows\rss\csrss.exe fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.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 4480 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 2832 schtasks.exe 4160 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,-2322 = "Sakhalin Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores 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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3932 powershell.exe 3932 powershell.exe 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 3448 powershell.exe 3448 powershell.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 1004 powershell.exe 1004 powershell.exe 2356 powershell.exe 2356 powershell.exe 4292 powershell.exe 4292 powershell.exe 3212 powershell.exe 3212 powershell.exe 1936 powershell.exe 1936 powershell.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 1216 csrss.exe 1216 csrss.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 1216 csrss.exe 1216 csrss.exe 3660 injector.exe 3660 injector.exe 1216 csrss.exe 1216 csrss.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe 3660 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Token: SeImpersonatePrivilege 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 3212 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeSystemEnvironmentPrivilege 1216 csrss.exe Token: SeSecurityPrivilege 4480 sc.exe Token: SeSecurityPrivilege 4480 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4984 wrote to memory of 3932 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 87 PID 4984 wrote to memory of 3932 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 87 PID 4984 wrote to memory of 3932 4984 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 87 PID 4000 wrote to memory of 3448 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 92 PID 4000 wrote to memory of 3448 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 92 PID 4000 wrote to memory of 3448 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 92 PID 4000 wrote to memory of 4944 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 94 PID 4000 wrote to memory of 4944 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 94 PID 4944 wrote to memory of 4776 4944 cmd.exe 96 PID 4944 wrote to memory of 4776 4944 cmd.exe 96 PID 4000 wrote to memory of 1004 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 97 PID 4000 wrote to memory of 1004 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 97 PID 4000 wrote to memory of 1004 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 97 PID 4000 wrote to memory of 2356 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 99 PID 4000 wrote to memory of 2356 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 99 PID 4000 wrote to memory of 2356 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 99 PID 4000 wrote to memory of 1216 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 101 PID 4000 wrote to memory of 1216 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 101 PID 4000 wrote to memory of 1216 4000 fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe 101 PID 1216 wrote to memory of 4292 1216 csrss.exe 102 PID 1216 wrote to memory of 4292 1216 csrss.exe 102 PID 1216 wrote to memory of 4292 1216 csrss.exe 102 PID 1216 wrote to memory of 3212 1216 csrss.exe 108 PID 1216 wrote to memory of 3212 1216 csrss.exe 108 PID 1216 wrote to memory of 3212 1216 csrss.exe 108 PID 1216 wrote to memory of 1936 1216 csrss.exe 110 PID 1216 wrote to memory of 1936 1216 csrss.exe 110 PID 1216 wrote to memory of 1936 1216 csrss.exe 110 PID 1216 wrote to memory of 3660 1216 csrss.exe 112 PID 1216 wrote to memory of 3660 1216 csrss.exe 112 PID 4504 wrote to memory of 3892 4504 windefender.exe 125 PID 4504 wrote to memory of 3892 4504 windefender.exe 125 PID 4504 wrote to memory of 3892 4504 windefender.exe 125 PID 3892 wrote to memory of 4480 3892 cmd.exe 126 PID 3892 wrote to memory of 4480 3892 cmd.exe 126 PID 3892 wrote to memory of 4480 3892 cmd.exe 126 -
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\fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe"C:\Users\Admin\AppData\Local\Temp\fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Users\Admin\AppData\Local\Temp\fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.exe"C:\Users\Admin\AppData\Local\Temp\fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86.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:4000 -
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:3448
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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:4944 -
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:4776
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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:1004
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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:2356
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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:1216 -
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:4292
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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:2832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4016
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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: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:1936
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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:3660
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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:4160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4504 -
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:3892 -
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:4480
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4404
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
MD5b39e340c067cec3e6d24403f9b73eb8f
SHA1a99f9856ff75432576c9887c7299cb8ccc3fedf4
SHA2569bac260b54ea83ac181cfe6095fd42b62c18c44de90cb2e5a54e639270c94961
SHA512d884a98073c189a31b666483bcc6512abc0cff19adde2a72c457db6cbbb4d4919de80bb6b3ff1bd52216397a9bcfda6a053ab1e356284923a59425397ffb9195
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1192bc2f95704c9d719023fb20fa009
SHA13da8e66b000b5f763b28c78f22f3913655c86cae
SHA25626c7cdbfe31b1d24cbcfbb051fa1a438bc33fa1cca919a66f71a8d21c1064d16
SHA512eafdf0f07001da1fbaf555de9d501e2d04618017d49d81991df465f664bdfcb34a2aec61df0effaa94250874e96a4b378baa49ef447ae4b566347c019f76a1fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b0aaea635193cbe88c82a8d3fe0caec
SHA1a954be95345d5b4a2f19ea67cd2e9c348d0979e6
SHA25629462c9507a5f017130ede8b7cea53a19f3632a1ad1fbc19ca9d06bcce9917a2
SHA512728ae6424caf55efed649ee6ee4e26c77a031d1a96cc83ab5b262cda9a110630e88f5b87bc77ad912a4b0bddae2826e10ea2eace9b83e3c92f28f617e8dc125a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54dbcda70757a8aba71c52dc83e2b278b
SHA1857f7ff5b70180ce9b66481fc593107d7173a102
SHA256af91ee3a842c045f33d8b190e05ed7a66c908d72e453446754fd295387ce598b
SHA512663ef85e384373ad0ef1bba3a85737be4d649fbfa0c8ce75c7796e934be75d18ff80600ebba14e0b19184be46439be96aa481f1dd72eefec32f27d924df03494
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a156c1a0311c8fe2ae6891515cbd0ed
SHA10e928588d2f888e5b501968c7f06eedcb811cef3
SHA256a16ef7029746ce439eed13d67f7936345ff14ceb920ca2b68d742d31041974de
SHA51240ae55f8f889d9e3c5bebf47649aec24bea351c3ce8c2f94dcf18988f598ccd7cd4e880b9d1a22b78254d57600b7b2866a082025c605e2f6796eef1dbf245569
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Filesize
4.2MB
MD58465b6d948021b454f089ec9eb7f71fe
SHA11e230cfdb5a9f4101931f2e7cb9afc4ecc2646d5
SHA256fb7dcb6f17bc73e51dc9629e34163174f3931dbca95305d6bf18543f5cb9ec86
SHA5124b618090d857731541bf3ef828ab17ca6ae715e15fc4aceab7814c42d33a401a0070dea6e7d789447340031fe54a32cf3df51658020db26bab5c219f53306c9a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec