Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2024, 11:54
Static task
static1
Behavioral task
behavioral1
Sample
218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe
Resource
win10v2004-20240426-en
General
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Target
218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe
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Size
4.2MB
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MD5
bc5f909855d140e8ab4204c59272ead7
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SHA1
4b6267f3eeb76f8c1d41fdf407d50c4f7842c55b
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SHA256
218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042
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SHA512
760e835b8bfd29105a32f9b24db3c2471fc14736b32acd65b65eb9567613b7c0cc8bea8e67d253bae6156d39ac7ab0d29dd5e96daea60389b69456d3f84ead21
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SSDEEP
98304:E4lALlgQ/pn7LuQRO95nczz+iDfUsPkebiPu76Rz2u:EtBprscX+iDepPxRz2u
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4328-2-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/4328-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4328-27-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/4328-56-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/4328-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4328-80-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/4244-108-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/4244-138-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-150-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-220-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-232-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-236-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-240-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-244-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-248-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-252-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-256-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-260-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-264-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba behavioral1/memory/3096-268-0x0000000000400000-0x0000000002EE6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4228 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3096 csrss.exe 4920 injector.exe 2024 windefender.exe 1852 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023432-223.dat upx behavioral1/memory/2024-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2024-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe File created C:\Windows\rss\csrss.exe 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.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 1236 sc.exe -
pid Process 1364 powershell.exe 1204 powershell.exe 1344 powershell.exe 540 powershell.exe 4168 powershell.exe 4668 powershell.exe 4672 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 3888 schtasks.exe 1324 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\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.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,-1842 = "Russia TZ 4 Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard 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,-1831 = "Russia TZ 2 Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard 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" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1344 powershell.exe 1344 powershell.exe 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 540 powershell.exe 540 powershell.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 4168 powershell.exe 4168 powershell.exe 4668 powershell.exe 4668 powershell.exe 4672 powershell.exe 4672 powershell.exe 1364 powershell.exe 1364 powershell.exe 1204 powershell.exe 1204 powershell.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 3096 csrss.exe 3096 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 3096 csrss.exe 3096 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 3096 csrss.exe 3096 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1344 powershell.exe Token: SeDebugPrivilege 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Token: SeImpersonatePrivilege 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeSystemEnvironmentPrivilege 3096 csrss.exe Token: SeSecurityPrivilege 1236 sc.exe Token: SeSecurityPrivilege 1236 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4328 wrote to memory of 1344 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 93 PID 4328 wrote to memory of 1344 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 93 PID 4328 wrote to memory of 1344 4328 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 93 PID 4244 wrote to memory of 540 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 99 PID 4244 wrote to memory of 540 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 99 PID 4244 wrote to memory of 540 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 99 PID 4244 wrote to memory of 3064 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 101 PID 4244 wrote to memory of 3064 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 101 PID 3064 wrote to memory of 4228 3064 cmd.exe 103 PID 3064 wrote to memory of 4228 3064 cmd.exe 103 PID 4244 wrote to memory of 4168 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 104 PID 4244 wrote to memory of 4168 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 104 PID 4244 wrote to memory of 4168 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 104 PID 4244 wrote to memory of 4668 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 106 PID 4244 wrote to memory of 4668 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 106 PID 4244 wrote to memory of 4668 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 106 PID 4244 wrote to memory of 3096 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 108 PID 4244 wrote to memory of 3096 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 108 PID 4244 wrote to memory of 3096 4244 218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe 108 PID 3096 wrote to memory of 4672 3096 csrss.exe 111 PID 3096 wrote to memory of 4672 3096 csrss.exe 111 PID 3096 wrote to memory of 4672 3096 csrss.exe 111 PID 3096 wrote to memory of 1364 3096 csrss.exe 117 PID 3096 wrote to memory of 1364 3096 csrss.exe 117 PID 3096 wrote to memory of 1364 3096 csrss.exe 117 PID 3096 wrote to memory of 1204 3096 csrss.exe 119 PID 3096 wrote to memory of 1204 3096 csrss.exe 119 PID 3096 wrote to memory of 1204 3096 csrss.exe 119 PID 3096 wrote to memory of 4920 3096 csrss.exe 121 PID 3096 wrote to memory of 4920 3096 csrss.exe 121 PID 2024 wrote to memory of 3044 2024 windefender.exe 127 PID 2024 wrote to memory of 3044 2024 windefender.exe 127 PID 2024 wrote to memory of 3044 2024 windefender.exe 127 PID 3044 wrote to memory of 1236 3044 cmd.exe 128 PID 3044 wrote to memory of 1236 3044 cmd.exe 128 PID 3044 wrote to memory of 1236 3044 cmd.exe 128 -
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\218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe"C:\Users\Admin\AppData\Local\Temp\218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1344
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C:\Users\Admin\AppData\Local\Temp\218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.exe"C:\Users\Admin\AppData\Local\Temp\218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042.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:4244 -
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:540
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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:3064 -
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:4228
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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:4168
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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:4668
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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:3096 -
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:4672
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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:3888
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2660
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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:1364
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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:1204
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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:4920
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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:1324
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2024 -
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:3044 -
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:1236
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1852
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
MD5ff7c91e39b8a02a9fa2676abad82e65f
SHA16a39b1329e5296581ec34e198d81f0d6984b9efa
SHA256dd84b79e6b38a75cfb5ea2e5919352f2e78626d0e1227cbf7126791f6a39f3a4
SHA5121d84faa94520f80a39cee5f3dd63bc1de66a2d639a47707820abac83eb0a08299489a9e3199003cf523c6d82d9a495c1388550ea9313a63a5fba67aaa4940d45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c90b1ab33e3699e0326f06d2bb45b3f5
SHA1c111e70c807a406786470a3bebfc7e2db87c9722
SHA256cae74d960760546636e36d969277f454c1c72a8726230382dca649dd5b195a97
SHA512396a71830af5214a9947183ec31d4cec4f1ba9c012bf32fd2625bce724300624f8f6b3c975b0e404cb5800a535660072c648f05be42bf8e45e23b851628e3516
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a2003ae1632c1e1f6fa6ae9960f7c11
SHA120ecaa33e029454d58b5ec81904421191e7150ec
SHA25622d29da398e2e1084a6b889831c6f88411b8b490082bb59b1fffc407fd1d52fd
SHA512558c205a8e730d2974d6cb64ee3d46b97e64663baa903e9e00add2d0dec2d29fcf2339211a3e720cceef8d885cf9dccaa657d716d50671c5db98744c85c122fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a01f42133a1f2460b667084a0f1aaf72
SHA149a36e2d48c9665f5d88e1632c0f9828f2655d77
SHA25652bfc8da86ed2938207fed364ed755a2b2139f584101d62c9e454c72d471ace4
SHA512bbf50646e9004a543a7cb9d685fe56b997cbc416d6e22403e6fcc17c0251f8b388b1a235a7daeb24960fd6f2238a84ff362cfb1289bdba18a055323ec1abcf6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d519835ebb1934881d0bb8a51612583
SHA17127ced23bcca0302eddabd188bebfe443b3da19
SHA2563bb92441ace8d6b7909a7e778381ef2dad5c561a8f1fd005ac17980031967001
SHA512b4828fc837dd71793d9fab015cc17d6ec491c72f09f5b78891226c9cf88fa7389d7f7d565ea8545497ddf5a1ae7cfce74f93e5a3bdc94ed10c7b7eb9e43dc30a
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Filesize
4.2MB
MD5bc5f909855d140e8ab4204c59272ead7
SHA14b6267f3eeb76f8c1d41fdf407d50c4f7842c55b
SHA256218aadade6e5b9447ee480d50eaf0fae981fe6686c2aba7976169908f57f5042
SHA512760e835b8bfd29105a32f9b24db3c2471fc14736b32acd65b65eb9567613b7c0cc8bea8e67d253bae6156d39ac7ab0d29dd5e96daea60389b69456d3f84ead21
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec