Analysis
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max time kernel
149s -
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, 18:03
Static task
static1
Behavioral task
behavioral1
Sample
a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe
Resource
win10v2004-20240412-en
General
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Target
a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe
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Size
4.2MB
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MD5
f3bcdb5acd74e0b94d1e9f816e354483
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SHA1
8575178999958e37a666d5d48402d34fe302db2e
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SHA256
a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785
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SHA512
376852dcf3d18acc9e8362fe651d0cdd74b8c3003e3c7f5c1e523ed72f30ac2d0058367ca093245863651b0552b47fa6ed2735b1cf4c776fa315d9bacde8532b
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SSDEEP
98304:lBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCN:eAu+ENnjVyYiVNw4A
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/692-2-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral1/memory/692-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3472-56-0x0000000003E40000-0x000000000472B000-memory.dmp family_glupteba behavioral1/memory/3472-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/692-71-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3472-187-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-301-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-305-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1056-309-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4888 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1056 csrss.exe 1340 injector.exe 4732 windefender.exe 3132 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233fb-258.dat upx behavioral1/memory/4732-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3132-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3132-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2220 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 2972 schtasks.exe 724 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,-72 = "Newfoundland Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.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\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.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\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4732 powershell.exe 4732 powershell.exe 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 4872 powershell.exe 4872 powershell.exe 4872 powershell.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 2348 powershell.exe 2348 powershell.exe 1176 powershell.exe 1176 powershell.exe 1428 powershell.exe 1428 powershell.exe 2424 powershell.exe 2424 powershell.exe 1396 powershell.exe 1396 powershell.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1056 csrss.exe 1056 csrss.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1056 csrss.exe 1056 csrss.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1056 csrss.exe 1056 csrss.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Token: SeImpersonatePrivilege 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeSystemEnvironmentPrivilege 1056 csrss.exe Token: SeSecurityPrivilege 2220 sc.exe Token: SeSecurityPrivilege 2220 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 692 wrote to memory of 4732 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 87 PID 692 wrote to memory of 4732 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 87 PID 692 wrote to memory of 4732 692 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 87 PID 3472 wrote to memory of 4872 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 96 PID 3472 wrote to memory of 4872 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 96 PID 3472 wrote to memory of 4872 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 96 PID 3472 wrote to memory of 2736 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 98 PID 3472 wrote to memory of 2736 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 98 PID 2736 wrote to memory of 4888 2736 cmd.exe 100 PID 2736 wrote to memory of 4888 2736 cmd.exe 100 PID 3472 wrote to memory of 2348 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 101 PID 3472 wrote to memory of 2348 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 101 PID 3472 wrote to memory of 2348 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 101 PID 3472 wrote to memory of 1176 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 103 PID 3472 wrote to memory of 1176 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 103 PID 3472 wrote to memory of 1176 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 103 PID 3472 wrote to memory of 1056 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 105 PID 3472 wrote to memory of 1056 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 105 PID 3472 wrote to memory of 1056 3472 a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe 105 PID 1056 wrote to memory of 1428 1056 csrss.exe 106 PID 1056 wrote to memory of 1428 1056 csrss.exe 106 PID 1056 wrote to memory of 1428 1056 csrss.exe 106 PID 1056 wrote to memory of 2424 1056 csrss.exe 111 PID 1056 wrote to memory of 2424 1056 csrss.exe 111 PID 1056 wrote to memory of 2424 1056 csrss.exe 111 PID 1056 wrote to memory of 1396 1056 csrss.exe 114 PID 1056 wrote to memory of 1396 1056 csrss.exe 114 PID 1056 wrote to memory of 1396 1056 csrss.exe 114 PID 1056 wrote to memory of 1340 1056 csrss.exe 116 PID 1056 wrote to memory of 1340 1056 csrss.exe 116 PID 4732 wrote to memory of 3008 4732 windefender.exe 122 PID 4732 wrote to memory of 3008 4732 windefender.exe 122 PID 4732 wrote to memory of 3008 4732 windefender.exe 122 PID 3008 wrote to memory of 2220 3008 cmd.exe 123 PID 3008 wrote to memory of 2220 3008 cmd.exe 123 PID 3008 wrote to memory of 2220 3008 cmd.exe 123 -
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\a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe"C:\Users\Admin\AppData\Local\Temp\a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Users\Admin\AppData\Local\Temp\a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.exe"C:\Users\Admin\AppData\Local\Temp\a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785.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:3472 -
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:4872
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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:2736 -
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:4888
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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:2348
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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:1176
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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:1056 -
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:1428
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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:2972
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4812
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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:2424
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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:1396
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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:1340
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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:724
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4732 -
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:3008 -
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:2220
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3132
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
MD5c812c4512dc0251243f061d7a40cc854
SHA17d64c459352531913599810638c2e72690e1fe47
SHA2569dd634098fa7a617e4a7bda7165b9020919e31858e74c022e74b1c4e04312f0b
SHA51276846e6ea8777ccdfbb633deb4d9cc40098854e447b8d3811bf9c0cce9dc8cb215f7b77c03a4c40787d571c78ebf30e6d8f46f4b53f1d78eec7cea660cbc27d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5559c6cc320259581897d8e0b4e680c45
SHA16d3bb54f618ad5da250d3221b9ddbd8c9604e86c
SHA256c3372246872d325f3b74ce8a304fe77ec9c0765e2b199fe17fb841c0ce2c484b
SHA5123d0d28d98a7366bfa0a1216b43facd019016bd9c76a5fdf1728efe509e2bd2000224c81002daa0e032c75c268b6bfe5b9d593b5aace832091512f6dac54e264f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fad2bf87bf990f7caae185af99c5951
SHA1202123a648e7d4968bbc1258bfd491223e0c4ca9
SHA256925d03121f429383693315ad5f09814120c64cf73330f875a4cda7643eb05506
SHA512e78311468e870a09861959f54b945437260a80f246b15244cdb3191f7a3b58475e2d9caac7f6d469801cfed27cc7a0ebcbfd5b57ba6fb9a441b75150f7f7fe8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59af07abc055bbed9347d733a1f12f25f
SHA1dd7bd27df0dcdec58487848f8de7beaba619bdb8
SHA256e6dfd14d4379619b0d4141854c3a5d7d7fb90b6df0437f055efe6e79785cecb3
SHA51264d23a8c36dcd322c87387014aea5f0b0ea1755132316d69807c535174ff5328f6e0b921cdd51382552006339e4ce9e51508f19c6d0a6eadf063d8398db6431a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5883b6fc2d2c28624eaa1ff430752236b
SHA19f1dc4adf6c86231e4798d305b21d596a04e91f7
SHA256e3165563ff759cb8cc940afa3669eb621bd6d78d5707430ac08541565001a48d
SHA512e9e3e0e6732c79247e02ff0fd053b42c3bd4b74022dc1ecfb1bf0bbb263150353050adb07e1a7ad0a31412b7817e47a097015fceb8a92d3f8e6727c6edf56e8f
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Filesize
4.2MB
MD5f3bcdb5acd74e0b94d1e9f816e354483
SHA18575178999958e37a666d5d48402d34fe302db2e
SHA256a9073d44989bdfab49ec6ab1cb7d9c0eca82575362e9093d6860b04b67e02785
SHA512376852dcf3d18acc9e8362fe651d0cdd74b8c3003e3c7f5c1e523ed72f30ac2d0058367ca093245863651b0552b47fa6ed2735b1cf4c776fa315d9bacde8532b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec