Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:23
Static task
static1
Behavioral task
behavioral1
Sample
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe
Resource
win10v2004-20240426-en
General
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Target
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe
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Size
4.1MB
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MD5
974f4810c8505e86a531a72e16f0a15b
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SHA1
974b32aea0e50d60e81a1aa4e4e5f1c43d6d065f
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SHA256
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af
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SHA512
6030a08684e582eb9f99f199fad9c60638b9e2eb18cee1c7deb49a09d92cd9f7c8ea28ceb3df4e6acade1a6724318d67ec7782421c689982a9a9718d0f18e8e9
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntw:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9ny
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4756-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral1/memory/4756-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3024-56-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/4756-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4756-83-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral1/memory/3024-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1048-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 60 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1048 csrss.exe 4880 injector.exe 4616 windefender.exe 2144 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023424-222.dat upx behavioral1/memory/4616-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2144-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4616-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2144-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2144-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2144-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe File created C:\Windows\rss\csrss.exe 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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 4496 sc.exe -
pid Process 3652 powershell.exe 216 powershell.exe 1800 powershell.exe 3708 powershell.exe 2332 powershell.exe 216 powershell.exe 2016 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 3252 schtasks.exe 2704 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,-291 = "Central European Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\@tzres.dll,-2161 = "Altai Daylight Time" 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" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\@tzres.dll,-2141 = "Transbaikal 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" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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,-1022 = "Bangladesh Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3652 powershell.exe 3652 powershell.exe 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 216 powershell.exe 216 powershell.exe 216 powershell.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 1800 powershell.exe 1800 powershell.exe 3708 powershell.exe 3708 powershell.exe 2332 powershell.exe 2332 powershell.exe 216 powershell.exe 216 powershell.exe 216 powershell.exe 2016 powershell.exe 2016 powershell.exe 2016 powershell.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 1048 csrss.exe 1048 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 1048 csrss.exe 1048 csrss.exe 4880 injector.exe 4880 injector.exe 1048 csrss.exe 1048 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Token: SeImpersonatePrivilege 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 2332 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 2016 powershell.exe Token: SeSystemEnvironmentPrivilege 1048 csrss.exe Token: SeSecurityPrivilege 4496 sc.exe Token: SeSecurityPrivilege 4496 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4756 wrote to memory of 3652 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 4756 wrote to memory of 3652 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 4756 wrote to memory of 3652 4756 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 3024 wrote to memory of 216 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 98 PID 3024 wrote to memory of 216 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 98 PID 3024 wrote to memory of 216 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 98 PID 3024 wrote to memory of 1160 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 101 PID 3024 wrote to memory of 1160 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 101 PID 1160 wrote to memory of 60 1160 cmd.exe 103 PID 1160 wrote to memory of 60 1160 cmd.exe 103 PID 3024 wrote to memory of 1800 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 104 PID 3024 wrote to memory of 1800 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 104 PID 3024 wrote to memory of 1800 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 104 PID 3024 wrote to memory of 3708 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 106 PID 3024 wrote to memory of 3708 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 106 PID 3024 wrote to memory of 3708 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 106 PID 3024 wrote to memory of 1048 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 108 PID 3024 wrote to memory of 1048 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 108 PID 3024 wrote to memory of 1048 3024 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 108 PID 1048 wrote to memory of 2332 1048 csrss.exe 109 PID 1048 wrote to memory of 2332 1048 csrss.exe 109 PID 1048 wrote to memory of 2332 1048 csrss.exe 109 PID 1048 wrote to memory of 216 1048 csrss.exe 115 PID 1048 wrote to memory of 216 1048 csrss.exe 115 PID 1048 wrote to memory of 216 1048 csrss.exe 115 PID 1048 wrote to memory of 2016 1048 csrss.exe 117 PID 1048 wrote to memory of 2016 1048 csrss.exe 117 PID 1048 wrote to memory of 2016 1048 csrss.exe 117 PID 1048 wrote to memory of 4880 1048 csrss.exe 119 PID 1048 wrote to memory of 4880 1048 csrss.exe 119 PID 4616 wrote to memory of 4376 4616 windefender.exe 126 PID 4616 wrote to memory of 4376 4616 windefender.exe 126 PID 4616 wrote to memory of 4376 4616 windefender.exe 126 PID 4376 wrote to memory of 4496 4376 cmd.exe 127 PID 4376 wrote to memory of 4496 4376 cmd.exe 127 PID 4376 wrote to memory of 4496 4376 cmd.exe 127 -
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\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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:3024 -
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:216
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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:1160 -
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:60
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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:1800
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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:3708
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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:1048 -
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:2332
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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:3252
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4424
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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:216
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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:2016
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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:4880
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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:2704
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4616 -
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:4376 -
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:4496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2144
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572b6ad3ac061fa4b0ce99de0df6e503a
SHA1a1c92339e8757d1a3f5039d482f50e535f2896dd
SHA2569d52c3a1e56ba635ca6f3184c55ed6f8bc3116518e036073c30f8a5e52006d23
SHA5128d116acf4fe7feeeca91f90758c4da2cd5a6d586fd5b673a872eefd295ffe7b97710571a21527623d87f60059217b83aa50f827058c187c321e8636a8923f878
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f723f7286f38de2ad3068a2c008887f
SHA11eb0a76f6d9f7d78d3afc9328373d8d3f36a4d56
SHA2568252708a5dbc90c20d7eefaa11126a2e41be642a9f4e5d393528bb4ccf4ede50
SHA512c2e7c2a28389ac7a78aa0a163cc2d863342872fc58199e240d8845a8e161fe71962e97de0057ce66203fb5d34590212fb851bd6134d15f63c42adb70eb91423b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c656ec5bfb5edd838e495333277695a4
SHA1f51fc58fea5a940d640aed7a46db15cdd8f20562
SHA256d75cb4682f25197adffff86b64d26570e8ce640eecbb2c68ad81ddb045966409
SHA512e550150388eab5bc9e62cfcb9c7f492093885e0d3d07912e656762163f8f184c52bd68dfe38703fd7af7fea0b21db4f7d6f84b680c62b54745ce4ce41549412b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54be1c13e39cf727954b90e34968180a6
SHA194db59da8808ac0e35b4c3ee9ca171e39320b71e
SHA25623907bdce8078460c327c8fbf1b701e12b72953749aedbffc7c239c2e85c1107
SHA512e5fa12349bb579cb681ce4bf19b9029be92a6722090a1ffa3c2fb5183d99973016a7aea5797ba4a9b12240cd28c3dfe8b33aa198c0bd3a45ce306f64fc8925bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dae69f4699933c6763761d8954b538bb
SHA15e5aef859a1c9b3b7d6742815901c86d482775d6
SHA256f364ec50aa2520b593790c54a4620335414ef4bcff6a6d4f1130228d7894c3bb
SHA512140f859c73604a894dc99520cc1f510da1a6a0977ebba40ecc687f30e1edbde22a4c6790fb153f4ac8b2b18aacdab3ca4fd33ee4b90596e481bd63738ec2b2db
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Filesize
4.1MB
MD5974f4810c8505e86a531a72e16f0a15b
SHA1974b32aea0e50d60e81a1aa4e4e5f1c43d6d065f
SHA2565aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af
SHA5126030a08684e582eb9f99f199fad9c60638b9e2eb18cee1c7deb49a09d92cd9f7c8ea28ceb3df4e6acade1a6724318d67ec7782421c689982a9a9718d0f18e8e9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec