Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 16:03
Static task
static1
Behavioral task
behavioral1
Sample
af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe
Resource
win10v2004-20240412-en
General
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Target
af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe
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Size
4.2MB
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MD5
b9dc1737b7c0353c719183d639246a3f
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SHA1
5feab676c581027c5dcefc7678fea02c158efedd
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SHA256
af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342
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SHA512
e80a58b5122b143ba97ec31f30d7f10f7b94777d896b52f3d0a9053e3f264b87f846bac6093f88aa949a2298cf119e3bfa892f6f582a21737b8969007c7d3c67
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SSDEEP
98304:foZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe6:f3OuIEug7vwUGt7S+nKA
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/1900-2-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/1900-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2824-53-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/2824-55-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1900-59-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/1900-81-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2824-137-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2824-202-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-235-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-246-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2488-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2488 csrss.exe 4696 injector.exe 1044 windefender.exe 3104 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a990-239.dat upx behavioral2/memory/1044-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3104-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3104-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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 -
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 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe File created C:\Windows\rss\csrss.exe af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3428 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 2932 schtasks.exe 1096 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,-142 = "Canada Central Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2162 = "Altai Standard Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3036 powershell.exe 3036 powershell.exe 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 1736 powershell.exe 1736 powershell.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 2696 powershell.exe 2696 powershell.exe 4364 powershell.exe 4364 powershell.exe 4856 powershell.exe 4856 powershell.exe 1960 powershell.exe 1960 powershell.exe 3152 powershell.exe 3152 powershell.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 2488 csrss.exe 2488 csrss.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 2488 csrss.exe 2488 csrss.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 2488 csrss.exe 2488 csrss.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe 4696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Token: SeImpersonatePrivilege 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1960 powershell.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeSystemEnvironmentPrivilege 2488 csrss.exe Token: SeSecurityPrivilege 3428 sc.exe Token: SeSecurityPrivilege 3428 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1900 wrote to memory of 3036 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 82 PID 1900 wrote to memory of 3036 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 82 PID 1900 wrote to memory of 3036 1900 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 82 PID 2824 wrote to memory of 1736 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 88 PID 2824 wrote to memory of 1736 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 88 PID 2824 wrote to memory of 1736 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 88 PID 2824 wrote to memory of 1504 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 90 PID 2824 wrote to memory of 1504 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 90 PID 1504 wrote to memory of 784 1504 cmd.exe 92 PID 1504 wrote to memory of 784 1504 cmd.exe 92 PID 2824 wrote to memory of 2696 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 93 PID 2824 wrote to memory of 2696 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 93 PID 2824 wrote to memory of 2696 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 93 PID 2824 wrote to memory of 4364 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 95 PID 2824 wrote to memory of 4364 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 95 PID 2824 wrote to memory of 4364 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 95 PID 2824 wrote to memory of 2488 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 97 PID 2824 wrote to memory of 2488 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 97 PID 2824 wrote to memory of 2488 2824 af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe 97 PID 2488 wrote to memory of 4856 2488 csrss.exe 98 PID 2488 wrote to memory of 4856 2488 csrss.exe 98 PID 2488 wrote to memory of 4856 2488 csrss.exe 98 PID 2488 wrote to memory of 1960 2488 csrss.exe 104 PID 2488 wrote to memory of 1960 2488 csrss.exe 104 PID 2488 wrote to memory of 1960 2488 csrss.exe 104 PID 2488 wrote to memory of 3152 2488 csrss.exe 106 PID 2488 wrote to memory of 3152 2488 csrss.exe 106 PID 2488 wrote to memory of 3152 2488 csrss.exe 106 PID 2488 wrote to memory of 4696 2488 csrss.exe 108 PID 2488 wrote to memory of 4696 2488 csrss.exe 108 PID 1044 wrote to memory of 800 1044 windefender.exe 114 PID 1044 wrote to memory of 800 1044 windefender.exe 114 PID 1044 wrote to memory of 800 1044 windefender.exe 114 PID 800 wrote to memory of 3428 800 cmd.exe 115 PID 800 wrote to memory of 3428 800 cmd.exe 115 PID 800 wrote to memory of 3428 800 cmd.exe 115 -
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\af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe"C:\Users\Admin\AppData\Local\Temp\af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3036
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C:\Users\Admin\AppData\Local\Temp\af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.exe"C:\Users\Admin\AppData\Local\Temp\af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342.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:2824 -
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:1736
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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:1504 -
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:784
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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:2696
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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:4364
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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:2488 -
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:4856
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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:2932
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4936
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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:1960
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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:3152
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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:4696
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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:1096
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1044 -
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:800 -
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:3428
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3104
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bb3edb8b95b0b1901739b16888e180d
SHA10941133cec9ce9acf3615bddb33174c3d14ed34f
SHA256b9c68d5e0c0993657ed1466bd96606a55558fac45905d6df8892808fce8c5cf0
SHA51234e3d45f140387ca085e73ce16fe3923ec3a0948c6d899961bbb9c13a47f0ec6f81a81726d21b9c2a1270c4823b996ba3683bd4391de2d3fcbae1c889587a9d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54357c2d4c4b97ba977bf9dd7027761e8
SHA19fcc8f682645c7abc349b1965de4e90f83e38195
SHA2563b7de554c0117e49f917872aff60c396cee7bba7809fa8e6bfe63f9bf0ed5ea4
SHA512f30d60e086d7f3bfd2096bc541d9c721f6c3c01c89d489dd6afb2112956312f9bae3c46bbb6732fa45f439695105438c206e06c82f50c0c2cf4167836dca7972
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523a861167bc395de0ba622cddcbc87f4
SHA1c6aad5bff75a86d607206dfc216d69ae8392dec4
SHA25640579ca3831074d4f32ddf2c5ec145087cf3383235f37201f372102f39d8e147
SHA5125dc3dfd1c85c6a3539677fa5ca7df9d74867f144a800bbd3cf1875e4f0c347ad1455499b8013a7890a5a1f71e7b4d83b7b3c0afe9553d6f565ff9d1eb0385af2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b8b354147ca0a58da807e4e3f079ade
SHA12ff2227daff0a13daa1fdff55fd6a4626bbef281
SHA25685b78ec12b7b9c772843884e97e68e63f32b0e61134771d575c09e2a87207534
SHA512a95ac3fd36f52bea992ed79269f193da182d3bde4e6f07522076968e005b0c322f3510ac5230f253e5e561a1391631699f96f3c8d2d8a60358006d87bffdb161
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526dfda8b21c93775a2367639288ee60f
SHA1eba18b4d61a4b5d5d4108ed5990bb41cb96f7a75
SHA2567a10fe9d126d7dae73554a06c20d0ab35ef386c77a54748514f4ebe66ef76c44
SHA5128b7b5e462fee3aeaabe0f8ea2c4a680912c733d167a57f34f355d68d1309f77924c7d80193cb7a1e3480afebf9f4ffdecc4380cdec29ff21f5402db76b507a4b
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Filesize
4.2MB
MD5b9dc1737b7c0353c719183d639246a3f
SHA15feab676c581027c5dcefc7678fea02c158efedd
SHA256af0a3cf6b56901258561c3fbb8347f116b186893af957eea2e412e52e6055342
SHA512e80a58b5122b143ba97ec31f30d7f10f7b94777d896b52f3d0a9053e3f264b87f846bac6093f88aa949a2298cf119e3bfa892f6f582a21737b8969007c7d3c67
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec