Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:38
Static task
static1
Behavioral task
behavioral1
Sample
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe
Resource
win10v2004-20240426-en
General
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Target
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe
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Size
4.1MB
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MD5
30e370edcfe43464c017dd3b89824398
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SHA1
6cf345931566dfbd9fa5b0581b33c5d78ca33962
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SHA256
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c
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SHA512
74a62dd790e9242e697220325bfde4a4fe2eea81e159c4191f5f3645cd9c37855fbcf1807cf8313c730a564872548f3ad164a9e9df9e50ec9e206a7d311c28f0
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SSDEEP
98304:AcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxW:AcO3d2wQ4Q8FyLwnXJ+AxvtU75c1js8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/276-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral2/memory/276-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/276-87-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral2/memory/276-86-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1444-122-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/276-144-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/848-192-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-208-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/848-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4736 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 848 csrss.exe 652 injector.exe 5032 windefender.exe 2992 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab36-201.dat upx behavioral2/memory/5032-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5032-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 -
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 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe File created C:\Windows\rss\csrss.exe 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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 3896 sc.exe -
pid Process 3800 powershell.exe 1664 powershell.exe 792 powershell.exe 1996 powershell.exe 764 powershell.exe 4780 powershell.exe 1376 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 2856 schtasks.exe 1620 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,-892 = "Morocco Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.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,-81 = "Atlantic Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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\@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,-2571 = "Turks and Caicos Daylight 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" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3800 powershell.exe 3800 powershell.exe 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1664 powershell.exe 1664 powershell.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 792 powershell.exe 792 powershell.exe 1996 powershell.exe 1996 powershell.exe 764 powershell.exe 764 powershell.exe 4780 powershell.exe 4780 powershell.exe 1376 powershell.exe 1376 powershell.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 848 csrss.exe 848 csrss.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 848 csrss.exe 848 csrss.exe 652 injector.exe 652 injector.exe 848 csrss.exe 848 csrss.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Token: SeImpersonatePrivilege 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeSystemEnvironmentPrivilege 848 csrss.exe Token: SeSecurityPrivilege 3896 sc.exe Token: SeSecurityPrivilege 3896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 276 wrote to memory of 3800 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 81 PID 276 wrote to memory of 3800 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 81 PID 276 wrote to memory of 3800 276 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 81 PID 1444 wrote to memory of 1664 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1444 wrote to memory of 1664 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1444 wrote to memory of 1664 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1444 wrote to memory of 2912 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 89 PID 1444 wrote to memory of 2912 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 89 PID 2912 wrote to memory of 4736 2912 cmd.exe 91 PID 2912 wrote to memory of 4736 2912 cmd.exe 91 PID 1444 wrote to memory of 792 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 92 PID 1444 wrote to memory of 792 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 92 PID 1444 wrote to memory of 792 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 92 PID 1444 wrote to memory of 1996 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 94 PID 1444 wrote to memory of 1996 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 94 PID 1444 wrote to memory of 1996 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 94 PID 1444 wrote to memory of 848 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 96 PID 1444 wrote to memory of 848 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 96 PID 1444 wrote to memory of 848 1444 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 96 PID 848 wrote to memory of 764 848 csrss.exe 97 PID 848 wrote to memory of 764 848 csrss.exe 97 PID 848 wrote to memory of 764 848 csrss.exe 97 PID 848 wrote to memory of 4780 848 csrss.exe 103 PID 848 wrote to memory of 4780 848 csrss.exe 103 PID 848 wrote to memory of 4780 848 csrss.exe 103 PID 848 wrote to memory of 1376 848 csrss.exe 105 PID 848 wrote to memory of 1376 848 csrss.exe 105 PID 848 wrote to memory of 1376 848 csrss.exe 105 PID 848 wrote to memory of 652 848 csrss.exe 107 PID 848 wrote to memory of 652 848 csrss.exe 107 PID 5032 wrote to memory of 4448 5032 windefender.exe 113 PID 5032 wrote to memory of 4448 5032 windefender.exe 113 PID 5032 wrote to memory of 4448 5032 windefender.exe 113 PID 4448 wrote to memory of 3896 4448 cmd.exe 114 PID 4448 wrote to memory of 3896 4448 cmd.exe 114 PID 4448 wrote to memory of 3896 4448 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\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
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C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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:1444 -
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:1664
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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:2912 -
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:4736
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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:792
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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:1996
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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:848 -
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:764
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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:2856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1976
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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:4780
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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:1376
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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:652
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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:1620
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5032 -
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:4448 -
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:3896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2992
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
MD59e4c75b955d24f83d62d63583b3b6669
SHA13db09c0a729c730337c81230a02611f221a578b9
SHA25612649b86fbc1164a66de1f81b771738baf0079af7a8575f4588def81e4fb38cc
SHA5129298cc20a650cf88f197f39779bf51c5ea05a7989e552390d9ce66432083c5258737931f59fed3a3eba5f5e63900df6ba7c7482d258189f6afa0e5edd130a3ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59db35906a723eb580e775502591a4752
SHA1f3ad30576c15d24af1e0bdfdfa5c85bbe33cc981
SHA256d5fbc4f4d276aac47084a75deab446ecc70185812676a1cbb2d881b33be563d2
SHA51275ad4c7799e0b5498f5889fd0b046b46f4a21a42cbc9d6eedfd7f1dce23ef95e454b4bc15e1ea258517359029aed1a7a5e92582f85813c2cd0bc564c9889355f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564ded5e198f4d6fc73fefa2e40b97d1a
SHA12eb5fc3eb37a0a9eefd96350b2b804dad9ad072c
SHA256739bda829b1c701191152686ec3fb65381914fa206a9ed8d4e9adf1e46640d39
SHA51200c156df223b6a03f2d8fc3dcf5e17b54adbde68160dbdca9b6df16352186e423e1c1df095c9433a136d391e5c5a2eb61a9c86a9599a2ccb435ebfaa4f5e9300
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7f152b0b4aad3fe6ed5444837184f90
SHA1e784489a1775462068dc045cbcf4f575950c9fd8
SHA256f3ccf511a0f382796883ac8f270f0bcc043ef3af12fdc6e701d20e86d1905875
SHA512193203e116a283a2e59326051db1d04921476789e9ca8860d66ef6df734507ff9eff7a3c885d098685b9ca18fa7c3116feae46f2f1e120a12041e1ac52bc4168
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5543989d87971903bcf3c0d0bc6603ed9
SHA10ff9bcdd3182dc4fcee3fc21c3afe94d94351634
SHA2562f7c384aea6bb80ab71cf9a73a63858e71667301bd131a952aa05f5309c4e05d
SHA5120d6a9a8eac66e46de8ca81f4df6ce8d324939fcfe1d506bc61843d7910448f9537c6c638a9af2fd170252409f9c5f2ec9b0066cbe1e3ef6b4129f799e49a0401
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Filesize
4.1MB
MD530e370edcfe43464c017dd3b89824398
SHA16cf345931566dfbd9fa5b0581b33c5d78ca33962
SHA25686cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c
SHA51274a62dd790e9242e697220325bfde4a4fe2eea81e159c4191f5f3645cd9c37855fbcf1807cf8313c730a564872548f3ad164a9e9df9e50ec9e206a7d311c28f0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec