Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:26
Static task
static1
Behavioral task
behavioral1
Sample
0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe
Resource
win10v2004-20240226-en
General
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Target
0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe
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Size
4.2MB
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MD5
0865723cd92439d03cbc8f84d2f4adbd
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SHA1
9e6bc45a5748a51e2a835c64c7d1907e6122c533
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SHA256
0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa
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SHA512
375bfc107cc7e0fa7df3b051fcb466edc79f9a38dd03e7dda2793bcfd53a6954dc27837e519b0cedd35981f2a91ffafcab2ba2de43015c59b9a24b84c01f5bdf
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe8:5w6rquKXDtU1Y2GYniVjUHB
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/1916-2-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/1916-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1916-41-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5028-45-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1916-44-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/5028-132-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5028-140-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-142-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-239-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-248-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-250-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-252-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-255-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4944-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1736 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4944 csrss.exe 4456 injector.exe 1328 windefender.exe 4052 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f9-242.dat upx behavioral2/memory/1328-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe File created C:\Windows\rss\csrss.exe 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.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 4772 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2976 4076 WerFault.exe 81 4752 5028 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1672 schtasks.exe 1108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4076 powershell.exe 4076 powershell.exe 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 2576 powershell.exe 2576 powershell.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 1128 powershell.exe 1128 powershell.exe 3656 powershell.exe 3656 powershell.exe 3336 powershell.exe 3336 powershell.exe 2560 powershell.exe 2560 powershell.exe 2864 powershell.exe 2864 powershell.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4944 csrss.exe 4944 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4944 csrss.exe 4944 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4944 csrss.exe 4944 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Token: SeImpersonatePrivilege 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeSystemEnvironmentPrivilege 4944 csrss.exe Token: SeSecurityPrivilege 4772 sc.exe Token: SeSecurityPrivilege 4772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1916 wrote to memory of 4076 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 81 PID 1916 wrote to memory of 4076 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 81 PID 1916 wrote to memory of 4076 1916 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 81 PID 5028 wrote to memory of 2576 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 89 PID 5028 wrote to memory of 2576 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 89 PID 5028 wrote to memory of 2576 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 89 PID 5028 wrote to memory of 2900 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 91 PID 5028 wrote to memory of 2900 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 91 PID 2900 wrote to memory of 1736 2900 cmd.exe 93 PID 2900 wrote to memory of 1736 2900 cmd.exe 93 PID 5028 wrote to memory of 1128 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 94 PID 5028 wrote to memory of 1128 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 94 PID 5028 wrote to memory of 1128 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 94 PID 5028 wrote to memory of 3656 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 96 PID 5028 wrote to memory of 3656 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 96 PID 5028 wrote to memory of 3656 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 96 PID 5028 wrote to memory of 4944 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 98 PID 5028 wrote to memory of 4944 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 98 PID 5028 wrote to memory of 4944 5028 0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe 98 PID 4944 wrote to memory of 3336 4944 csrss.exe 101 PID 4944 wrote to memory of 3336 4944 csrss.exe 101 PID 4944 wrote to memory of 3336 4944 csrss.exe 101 PID 4944 wrote to memory of 2560 4944 csrss.exe 107 PID 4944 wrote to memory of 2560 4944 csrss.exe 107 PID 4944 wrote to memory of 2560 4944 csrss.exe 107 PID 4944 wrote to memory of 2864 4944 csrss.exe 109 PID 4944 wrote to memory of 2864 4944 csrss.exe 109 PID 4944 wrote to memory of 2864 4944 csrss.exe 109 PID 4944 wrote to memory of 4456 4944 csrss.exe 111 PID 4944 wrote to memory of 4456 4944 csrss.exe 111 PID 1328 wrote to memory of 1260 1328 windefender.exe 117 PID 1328 wrote to memory of 1260 1328 windefender.exe 117 PID 1328 wrote to memory of 1260 1328 windefender.exe 117 PID 1260 wrote to memory of 4772 1260 cmd.exe 118 PID 1260 wrote to memory of 4772 1260 cmd.exe 118 PID 1260 wrote to memory of 4772 1260 cmd.exe 118 -
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\0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe"C:\Users\Admin\AppData\Local\Temp\0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 25763⤵
- Program crash
PID:2976
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C:\Users\Admin\AppData\Local\Temp\0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.exe"C:\Users\Admin\AppData\Local\Temp\0822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa.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:5028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2576
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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:2900 -
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:1736
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
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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:4944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3336
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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:1672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4104
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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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:4456
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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:1108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1328 -
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:1260 -
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:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 6923⤵
- Program crash
PID:4752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4076 -ip 40761⤵PID:3768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5028 -ip 50281⤵PID:4760
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4052
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
MD59d0516c90536bf3e5c7aff45ef8b4a09
SHA11fe46826848846c3f6e09b69051d29433c92de26
SHA256d463fb02a2cd421241494aff3c32a0911602678f2cd77999adb3606b9791637a
SHA5127ef755284d98b378ffafddf704344bf025486c2655fe983681c807fbc9c25395bb628675f7494c9f212cf71a4a806c4823af5ed3825b4cbad8b31a5fb366e09f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0cc7f115e0a60c8d31bbc0584074e39
SHA10fd6111b0e563cdbe882ed2c1510080dd6cf06cc
SHA25661c923548863d01734df0f76843782a7c472e890f9043452a863820d83002975
SHA512819b94a685e211f4af04642ed4f36ae0c0761f315961bb0b37e95f983d368dd2bef175454844e1c9e10f520313b3a5c22c63bec44772e1593eca5def26953fdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565522e983177fe4ce6a95b60d03d9e6e
SHA1c104e89659e64f1184d0ac862e059d301d7efc46
SHA256eb628f9b93375ecfcdc237073bed99a394a55ce49ee41982ed2e1c2c7da5ad65
SHA5128a53e627075cb9b384e83e66c8e867e187fef30406d2e378c6b547f20984ab31d1631f1e354a74c92813efe1026158fe7350eb98eb7efbc1408cc259c3ee164e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efe5ca99a8ed930befb76b54d258be02
SHA1b0a89867cbe6963a50e9055f62ba6b48f6ceb05d
SHA2569dee74575aac652f323a90b466cac6d78c9be3892cc63d8fcacb6de41109994d
SHA5123414bc47961dd2bdaf8ae3ecd8b9835f3d9c4f8c0ab9209c9a4656cef848cb01c590eb3620b7bbee29e6a1d3103435441320f5e93a7461614e2872e4182858dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c6767604a14c5d4bee003837684ff8d
SHA1a9e0b53d3bd3de41c49bd5bc185d1c00c9a1784f
SHA25650d90e062ca8721240a2b73a18877fb24394f85ef4b7c7d5714b46ee013b2fc0
SHA5129d6452ec7c663d8bdf62c72dd2d83a74557c1d43447ac882e5665464921ee0ec685b819a1e11242d5f486999204274aaee003a86cdab66ff21afe2236e2e3dd3
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Filesize
4.2MB
MD50865723cd92439d03cbc8f84d2f4adbd
SHA19e6bc45a5748a51e2a835c64c7d1907e6122c533
SHA2560822ebcb95f3b3df8c8c9f84acbbaa453ce03390257de1e8f10164efa57d91fa
SHA512375bfc107cc7e0fa7df3b051fcb466edc79f9a38dd03e7dda2793bcfd53a6954dc27837e519b0cedd35981f2a91ffafcab2ba2de43015c59b9a24b84c01f5bdf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec