Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:43
Static task
static1
Behavioral task
behavioral1
Sample
86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe
Resource
win10v2004-20240426-en
General
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Target
86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe
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Size
4.1MB
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MD5
4fcae19648c54ba713781c7cd35ef5f3
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SHA1
fcfc0caf04074ff3cbff19260f3953f4e3fdd4cd
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SHA256
86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340
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SHA512
ebce3013aa433eb7ad1d098ae02f54c7027e3a21dcae940af7afb1107ed93f79daa1d11ec6f8a7bf5ff1c2b9a92ac92026fb60933b5cbcbf71abfa698c26e9c4
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SSDEEP
98304:KeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGN:KgHncLBP5HkIsFwf3u4kByfxbhOa
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4732-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4732-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-88-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-90-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3944-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3816-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3816 csrss.exe 1388 injector.exe 768 windefender.exe 4292 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa41-205.dat upx behavioral2/memory/768-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4292-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/768-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4292-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4292-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe File created C:\Windows\rss\csrss.exe 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.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 3492 sc.exe -
pid Process 1624 powershell.exe 2228 powershell.exe 1596 powershell.exe 4812 powershell.exe 1080 powershell.exe 492 powershell.exe 1200 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 2288 schtasks.exe 1916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT 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,-2872 = "Magallanes Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa 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\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1080 powershell.exe 1080 powershell.exe 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 492 powershell.exe 492 powershell.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 1200 powershell.exe 1200 powershell.exe 1624 powershell.exe 1624 powershell.exe 2228 powershell.exe 2228 powershell.exe 1596 powershell.exe 1596 powershell.exe 4812 powershell.exe 4812 powershell.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 3816 csrss.exe 3816 csrss.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 3816 csrss.exe 3816 csrss.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 3816 csrss.exe 3816 csrss.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe 1388 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1080 powershell.exe Token: SeDebugPrivilege 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Token: SeImpersonatePrivilege 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe Token: SeDebugPrivilege 492 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeSystemEnvironmentPrivilege 3816 csrss.exe Token: SeSecurityPrivilege 3492 sc.exe Token: SeSecurityPrivilege 3492 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4732 wrote to memory of 1080 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 82 PID 4732 wrote to memory of 1080 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 82 PID 4732 wrote to memory of 1080 4732 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 82 PID 3944 wrote to memory of 492 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 87 PID 3944 wrote to memory of 492 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 87 PID 3944 wrote to memory of 492 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 87 PID 3944 wrote to memory of 4916 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 89 PID 3944 wrote to memory of 4916 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 89 PID 4916 wrote to memory of 1120 4916 cmd.exe 91 PID 4916 wrote to memory of 1120 4916 cmd.exe 91 PID 3944 wrote to memory of 1200 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 92 PID 3944 wrote to memory of 1200 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 92 PID 3944 wrote to memory of 1200 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 92 PID 3944 wrote to memory of 1624 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 94 PID 3944 wrote to memory of 1624 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 94 PID 3944 wrote to memory of 1624 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 94 PID 3944 wrote to memory of 3816 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 96 PID 3944 wrote to memory of 3816 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 96 PID 3944 wrote to memory of 3816 3944 86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe 96 PID 3816 wrote to memory of 2228 3816 csrss.exe 97 PID 3816 wrote to memory of 2228 3816 csrss.exe 97 PID 3816 wrote to memory of 2228 3816 csrss.exe 97 PID 3816 wrote to memory of 1596 3816 csrss.exe 103 PID 3816 wrote to memory of 1596 3816 csrss.exe 103 PID 3816 wrote to memory of 1596 3816 csrss.exe 103 PID 3816 wrote to memory of 4812 3816 csrss.exe 105 PID 3816 wrote to memory of 4812 3816 csrss.exe 105 PID 3816 wrote to memory of 4812 3816 csrss.exe 105 PID 3816 wrote to memory of 1388 3816 csrss.exe 107 PID 3816 wrote to memory of 1388 3816 csrss.exe 107 PID 768 wrote to memory of 1412 768 windefender.exe 113 PID 768 wrote to memory of 1412 768 windefender.exe 113 PID 768 wrote to memory of 1412 768 windefender.exe 113 PID 1412 wrote to memory of 3492 1412 cmd.exe 114 PID 1412 wrote to memory of 3492 1412 cmd.exe 114 PID 1412 wrote to memory of 3492 1412 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\86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe"C:\Users\Admin\AppData\Local\Temp\86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1080
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C:\Users\Admin\AppData\Local\Temp\86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.exe"C:\Users\Admin\AppData\Local\Temp\86b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340.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:3944 -
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:492
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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:4916 -
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:1120
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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:1200
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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:1624
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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:3816 -
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:2228
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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:1916
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4940
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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:1596
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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:4812
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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:1388
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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:2288
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:768 -
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:1412 -
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:3492
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4292
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
MD51b37fcea2c6a8e06f7a9d2b88066f13e
SHA1ae513e899a0cb94cebb0a414180c173cd2f41032
SHA256641e519f993c0f13b63589f8ad21cfbf1349266b0f180c175345c24508a85848
SHA512d50f90b8a49b654deaf97a543c3b960e1b63b3b0c84e1a340fb65cd3f17666879a0c591cf111fc5381ea67db0c35a68f0b5f3f382f1063c32964f4351f13b907
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af5d2ab06e9d56c6a27031d6aa65a25b
SHA15495160c948031f414ce587ce6a3508f9d9e3caf
SHA2563b9cbcbe2d8bc75acf07eed259133f2ddb5fa34efcb054ec648b0bd8753a4feb
SHA51299920d80401830feae19aafb4f437beb264c66e01666a6ad6780e3f9653bf61614ef1637463bc784456c39ef71a38b642fcd4e65a612ddacfc01f8058caa066a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a6eed438e0edc0cd09155d58388ab90
SHA13f1c903fd804d57a9551b1ba2f94b84692389b4e
SHA25647a33341f7bc9bb0a0ba4acda51f8d8a545153c7dee1d9ee676d5f711a4fecef
SHA512375b1c8105473f61731a81ee11f25e307fdac47811f41abf13cd8dc0b223000e9c5df5ce59d76e817da6b7a9fef368eb7616a5382fb609eddd4b05b3247486da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD513ae8f119310b3cbff6eb962f4325676
SHA112da5592cb1f9ebe8e9c2d0f4ebe62bb1a58a25f
SHA2566d8ea528cc8bca5fc8b0ff7e0ac2ff0faeeb25ef6fb0c12e29fbafafcc6cc6c9
SHA512973a313c711882d3eabf2eb18bbbeb5a6102e405600fd59d04f8f94ae667b5b0e342e8df696aaeb47adbed4ce54f48d54606646a59d979e1605837b620bb2b8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2095071a57284fbdad049a49f16ac9a
SHA16023dc1af806223eed9c0b41940ce34f49247715
SHA25632d8e8ca6baf59769dc0ebd5b4d2407b0a2b263ff5a56598e24cf4e21882959c
SHA51298b911abcc41642411ec05f65d033bb1426a217f6256f4d7e7fd9d9c3d86526228a347847040b706ebb6ed51814f12b3fc1a67221c79320518b3c6f9e8c137fc
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Filesize
4.1MB
MD54fcae19648c54ba713781c7cd35ef5f3
SHA1fcfc0caf04074ff3cbff19260f3953f4e3fdd4cd
SHA25686b6d37045e25dcbb8440777da59e36c654adb86c2f22de9337cd1143394c340
SHA512ebce3013aa433eb7ad1d098ae02f54c7027e3a21dcae940af7afb1107ed93f79daa1d11ec6f8a7bf5ff1c2b9a92ac92026fb60933b5cbcbf71abfa698c26e9c4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec