Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:27
Static task
static1
Behavioral task
behavioral1
Sample
1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe
Resource
win10v2004-20240426-en
General
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Target
1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe
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Size
4.1MB
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MD5
c2010e82467c03050a5293b95cc0809c
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SHA1
29c99e881b28e881edda560ad7a37dea7632da27
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SHA256
1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7
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SHA512
230cb3e2922546d8b40f64778c94b491f1d29cf29db75aab935eb142474309f03474b2d0bda5686656352ea739641acf6847de8cc23db9bd5e444c17383f31ac
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SSDEEP
98304:AcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsx+:AcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jss
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1404-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/1404-136-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/1404-134-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1404-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-199-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-202-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3324-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4424 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3324 csrss.exe 680 injector.exe 3164 windefender.exe 4400 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002aa1e-207.dat upx behavioral2/memory/3164-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4400-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3164-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4400-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4400-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4400-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe File created C:\Windows\rss\csrss.exe 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2576 sc.exe -
pid Process 4936 powershell.exe 2664 powershell.exe 3792 powershell.exe 2236 powershell.exe 3496 powershell.exe 3808 powershell.exe 2128 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 3956 schtasks.exe 2484 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,-132 = "US Eastern Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.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,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3808 powershell.exe 3808 powershell.exe 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 2128 powershell.exe 2128 powershell.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 4936 powershell.exe 4936 powershell.exe 2664 powershell.exe 2664 powershell.exe 3792 powershell.exe 3792 powershell.exe 2236 powershell.exe 2236 powershell.exe 3496 powershell.exe 3496 powershell.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 3324 csrss.exe 3324 csrss.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 3324 csrss.exe 3324 csrss.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 3324 csrss.exe 3324 csrss.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe 680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3808 powershell.exe Token: SeDebugPrivilege 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Token: SeImpersonatePrivilege 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 3792 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeSystemEnvironmentPrivilege 3324 csrss.exe Token: SeSecurityPrivilege 2576 sc.exe Token: SeSecurityPrivilege 2576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1404 wrote to memory of 3808 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 81 PID 1404 wrote to memory of 3808 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 81 PID 1404 wrote to memory of 3808 1404 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 81 PID 4672 wrote to memory of 2128 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 87 PID 4672 wrote to memory of 2128 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 87 PID 4672 wrote to memory of 2128 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 87 PID 4672 wrote to memory of 436 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 89 PID 4672 wrote to memory of 436 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 89 PID 436 wrote to memory of 4424 436 cmd.exe 91 PID 436 wrote to memory of 4424 436 cmd.exe 91 PID 4672 wrote to memory of 4936 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 92 PID 4672 wrote to memory of 4936 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 92 PID 4672 wrote to memory of 4936 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 92 PID 4672 wrote to memory of 2664 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 94 PID 4672 wrote to memory of 2664 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 94 PID 4672 wrote to memory of 2664 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 94 PID 4672 wrote to memory of 3324 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 96 PID 4672 wrote to memory of 3324 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 96 PID 4672 wrote to memory of 3324 4672 1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe 96 PID 3324 wrote to memory of 3792 3324 csrss.exe 97 PID 3324 wrote to memory of 3792 3324 csrss.exe 97 PID 3324 wrote to memory of 3792 3324 csrss.exe 97 PID 3324 wrote to memory of 2236 3324 csrss.exe 103 PID 3324 wrote to memory of 2236 3324 csrss.exe 103 PID 3324 wrote to memory of 2236 3324 csrss.exe 103 PID 3324 wrote to memory of 3496 3324 csrss.exe 105 PID 3324 wrote to memory of 3496 3324 csrss.exe 105 PID 3324 wrote to memory of 3496 3324 csrss.exe 105 PID 3324 wrote to memory of 680 3324 csrss.exe 107 PID 3324 wrote to memory of 680 3324 csrss.exe 107 PID 3164 wrote to memory of 2308 3164 windefender.exe 113 PID 3164 wrote to memory of 2308 3164 windefender.exe 113 PID 3164 wrote to memory of 2308 3164 windefender.exe 113 PID 2308 wrote to memory of 2576 2308 cmd.exe 114 PID 2308 wrote to memory of 2576 2308 cmd.exe 114 PID 2308 wrote to memory of 2576 2308 cmd.exe 114 -
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\1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe"C:\Users\Admin\AppData\Local\Temp\1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3808
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C:\Users\Admin\AppData\Local\Temp\1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.exe"C:\Users\Admin\AppData\Local\Temp\1d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7.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:4672 -
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:2128
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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:436 -
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:4424
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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:4936
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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:2664
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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:3324 -
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:3792
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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:2484
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:456
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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:2236
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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:3496
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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:680
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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:3956
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3164 -
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:2308 -
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:2576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4400
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d7b336bd86d06c93560f0a2ee351092
SHA1deb3a373d1f2867c2b7a07d5ece9b2a88eb86200
SHA256ea47ce0dc9de2496cfd072d8eef62261198ea04c7ecbd6e1c579af59be3fa974
SHA512d80523df2c99684c63208fd8960956e1d8162e4a9a04c528b4b3289a605c00b2704687489d2dc050eb8a3d74d6116c20932d04c0f881aa5abceb77fc50501139
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553bcbabcb4e321bc2f9ece881b711e17
SHA1fe80c05d96797a9bc7b051b1bec9e941a84fd407
SHA256cb3ca9257c68e96f0b9469500f4d78ff8b10e879d25ce178d0c244c1d9a30922
SHA512c215ed42f83a53cf4b80b9456d16e41ccd83953b071c1d2e0e3505e6fd434e80c7a00d3485ed0e65ca9e4d1b954f8b455a846ab3d71d8392897bd8e642a7f2e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee715426ca2c01672a6b6891d4459fc2
SHA135877967bbed2677607686c5d83b73d1e9295afd
SHA256703e2d4e0aedb3907d48629f404d488c2e7d76a999c23a766f6ee30724b38518
SHA512f8fdc9139d579ed5f58cd5e80fccc26dcc7049bb9a8f5db9650d444ccf67dde4128bda598cde35808e7c6156f5da7a39f795c2491368f7f223dff1accc6ef2e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558b910e731be54cc333d8d7a291c88fa
SHA10142a4834ba15511cf3a880e1ffb5ad4f129b110
SHA2563895622b13a6057da388464bf686c52748522f55446eaf4dff36f2b2e5c457ae
SHA5128c14b2beace6e5d65c3f34b7bff58c8e4048472a05b267dc63e6610bf2cda60f740d85a2c6debc6d40f4eac643dc794c8238c12f8b7060ebddd4c5d46b778cad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52cffba07e2cc76eb661b612e677a0d31
SHA1107871d28b3054a82c83070c96eebcdd580a592f
SHA25637190dca5ca9e02deec4926d993f0cfa8dc3f0b202f0163d2bcc152f75d94800
SHA5127d366d478aad67307dabb2fec549d06f422d65c1af2d39607dbe3a8af076e21a5f89b51f9d2d0ae450fbb30c58e2b9ff7fe4da66dc7600e3a2815eb6f045fe41
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Filesize
4.1MB
MD5c2010e82467c03050a5293b95cc0809c
SHA129c99e881b28e881edda560ad7a37dea7632da27
SHA2561d13cbdca863b3e9e81071df06b07e623dd1b4e55cafc6e5bf276c672a02ace7
SHA512230cb3e2922546d8b40f64778c94b491f1d29cf29db75aab935eb142474309f03474b2d0bda5686656352ea739641acf6847de8cc23db9bd5e444c17383f31ac
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec