Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:15
Static task
static1
Behavioral task
behavioral1
Sample
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe
Resource
win10v2004-20240226-en
General
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Target
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe
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Size
4.1MB
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MD5
e4567e39bc798306ba18e6ce707219d2
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SHA1
b6739d7c74dcdbb951c4316cc764857563c84258
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SHA256
2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f
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SHA512
c7d0339a92438b0e7472d54881a85b533a3adbee7c59f4a31c43228a6dce012ccedaa2fa5f7cca66cf7440b28dd001750d74bd552a5124cb94856c8bf88ba1ce
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SSDEEP
98304:3hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvX:Rz9CiccJ0CpfGcGG1DfLZ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1944-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/1944-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1944-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1944-55-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/1944-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1944-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4212-58-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4212-104-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4212-133-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1468-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1468 csrss.exe 4952 injector.exe 760 windefender.exe 3608 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa31-214.dat upx behavioral2/memory/760-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3608-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/760-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3608-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3608-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe File created C:\Windows\rss\csrss.exe 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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 4812 sc.exe -
pid Process 464 powershell.exe 4980 powershell.exe 2304 powershell.exe 1188 powershell.exe 912 powershell.exe 980 powershell.exe 3020 powershell.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 3136 schtasks.exe 4596 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2304 powershell.exe 2304 powershell.exe 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 1188 powershell.exe 1188 powershell.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 912 powershell.exe 912 powershell.exe 980 powershell.exe 980 powershell.exe 3020 powershell.exe 3020 powershell.exe 464 powershell.exe 464 powershell.exe 4980 powershell.exe 4980 powershell.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 1468 csrss.exe 1468 csrss.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 1468 csrss.exe 1468 csrss.exe 4952 injector.exe 4952 injector.exe 1468 csrss.exe 1468 csrss.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe 4952 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Token: SeImpersonatePrivilege 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 980 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeSystemEnvironmentPrivilege 1468 csrss.exe Token: SeSecurityPrivilege 4812 sc.exe Token: SeSecurityPrivilege 4812 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2304 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 83 PID 1944 wrote to memory of 2304 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 83 PID 1944 wrote to memory of 2304 1944 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 83 PID 4212 wrote to memory of 1188 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 88 PID 4212 wrote to memory of 1188 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 88 PID 4212 wrote to memory of 1188 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 88 PID 4212 wrote to memory of 332 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 90 PID 4212 wrote to memory of 332 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 90 PID 332 wrote to memory of 2964 332 cmd.exe 92 PID 332 wrote to memory of 2964 332 cmd.exe 92 PID 4212 wrote to memory of 912 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 93 PID 4212 wrote to memory of 912 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 93 PID 4212 wrote to memory of 912 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 93 PID 4212 wrote to memory of 980 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 95 PID 4212 wrote to memory of 980 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 95 PID 4212 wrote to memory of 980 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 95 PID 4212 wrote to memory of 1468 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 97 PID 4212 wrote to memory of 1468 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 97 PID 4212 wrote to memory of 1468 4212 2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe 97 PID 1468 wrote to memory of 3020 1468 csrss.exe 98 PID 1468 wrote to memory of 3020 1468 csrss.exe 98 PID 1468 wrote to memory of 3020 1468 csrss.exe 98 PID 1468 wrote to memory of 464 1468 csrss.exe 103 PID 1468 wrote to memory of 464 1468 csrss.exe 103 PID 1468 wrote to memory of 464 1468 csrss.exe 103 PID 1468 wrote to memory of 4980 1468 csrss.exe 106 PID 1468 wrote to memory of 4980 1468 csrss.exe 106 PID 1468 wrote to memory of 4980 1468 csrss.exe 106 PID 1468 wrote to memory of 4952 1468 csrss.exe 108 PID 1468 wrote to memory of 4952 1468 csrss.exe 108 PID 760 wrote to memory of 1280 760 windefender.exe 114 PID 760 wrote to memory of 1280 760 windefender.exe 114 PID 760 wrote to memory of 1280 760 windefender.exe 114 PID 1280 wrote to memory of 4812 1280 cmd.exe 115 PID 1280 wrote to memory of 4812 1280 cmd.exe 115 PID 1280 wrote to memory of 4812 1280 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\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304
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C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.exe"C:\Users\Admin\AppData\Local\Temp\2ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f.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:4212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
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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:332 -
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:2964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:912
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:980
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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:1468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020
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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:3136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2928
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
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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:4952
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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:4596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:760 -
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:1280 -
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:4812
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3608
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
MD57c19755d6a95f63a64984c34bc91d16d
SHA1b00751eec143417112041b7035e90ad69e41152f
SHA2568dc5fe8205a02ed167d491f51233eafc76a715237ae51532f1558cb54dd788a0
SHA51240589025587dfd2e07425ac1b92f11363d224e877e3e6b5d67c1cee51042a250a5b468e27cc196c8174395b5f15388681d05456f44c4821e337343058bba148b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54adece97f3332567c644860821df556c
SHA15f771d74d04faef95baf9edf4c6174e33ffc8fcb
SHA2568e9080ce6d3d198cff8f30eefe3d24c52e700bf0ec66615700bb19b408ac7458
SHA5121edb77181d613b86eced7e01c496993c187cf0a2c6ceb193e2a1f12ad6ed762b7029bef6b637fa160f2a3a98445984a5e3996e23ab77ccea9ba9ac48ef525526
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d27df8b331e2d5e084748c2a4227005f
SHA101e66299c1996c45fcc4886e61485eab255be846
SHA2566fb1246f78cf03b78532b397d677468b146cca114e8c8d477795f5448d41c708
SHA5120399024308e753d3bb7a1e6b5ac21c4dbf80ead5eb605843de104ace72bc7abb587dd1a3bdf1731fda76cf4bee4a41323bc5fd29cebda5795893b4ec0bc8b860
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c7b2c77fe8f69c1e93144ae2467e996
SHA18e9be8bc394bcb38d912a44384360a927ccbaf44
SHA256b83e63cf39164dc0e9ffb2baf0cf2b76bf44a103b3f32572175f6085ceb02f97
SHA5128c74eaced5e6de1188ad66f6a4a4ff7137d3fa3b6af49eb50c355cfe60b3916a9172920872c973544ba3409f4c39a66f018d6b7444afb2c01ec7cf7463a9b6d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589402895320fa26b7270a29ab0c5de3a
SHA13ef673e398121f343389a922b8f7ceb68b9b807d
SHA256e8d28f089a775fa0a87c50af1760a7c14b7335aa471699fb5c9c73c969849afa
SHA512f03735e56becc876f3259650b17a5cd01c1e7357bb89871dc5de256997a1ac27d38f3a3c0dff309e11f278dda7bda5e2fe878c1a1766320486aa8c98f2690e8c
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Filesize
4.1MB
MD5e4567e39bc798306ba18e6ce707219d2
SHA1b6739d7c74dcdbb951c4316cc764857563c84258
SHA2562ff331344b5728e2f9363481945a43df178082e3f6a544b512ff3a82e294396f
SHA512c7d0339a92438b0e7472d54881a85b533a3adbee7c59f4a31c43228a6dce012ccedaa2fa5f7cca66cf7440b28dd001750d74bd552a5124cb94856c8bf88ba1ce
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec