Analysis
-
max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe
Resource
win10v2004-20240508-en
General
-
Target
4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe
-
Size
4.1MB
-
MD5
609fbcae43f2905439a1ed85955018ba
-
SHA1
803e7df2eef1ac2dd78fbc0aef061a5637dae590
-
SHA256
4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1
-
SHA512
dab4dabb6c0aeef5e502a14588990a461ba3281171522a32c38b9ee938446a965ba8917e8d17065c2c2ed99a54fa01aaa433638bb83b8f71e70c970d9b272ac5
-
SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntJ:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9n7
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3084-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3084-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/808-56-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral1/memory/3084-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/808-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/808-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 336 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2620 csrss.exe 3792 injector.exe 2572 windefender.exe 4392 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000022a48-221.dat upx behavioral1/memory/2572-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4392-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2572-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4392-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4392-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe File created C:\Windows\rss\csrss.exe 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.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 4636 sc.exe -
pid Process 1128 powershell.exe 4416 powershell.exe 4368 powershell.exe 4372 powershell.exe 3736 powershell.exe 452 powershell.exe 1600 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 4020 schtasks.exe 2580 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,-2942 = "Sao Tome Standard 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" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.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\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria 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\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.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" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1600 powershell.exe 1600 powershell.exe 1600 powershell.exe 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 1128 powershell.exe 1128 powershell.exe 1128 powershell.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 4416 powershell.exe 4416 powershell.exe 4416 powershell.exe 4368 powershell.exe 4368 powershell.exe 4368 powershell.exe 4372 powershell.exe 4372 powershell.exe 4372 powershell.exe 3736 powershell.exe 3736 powershell.exe 3736 powershell.exe 452 powershell.exe 452 powershell.exe 452 powershell.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 2620 csrss.exe 2620 csrss.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 2620 csrss.exe 2620 csrss.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 2620 csrss.exe 2620 csrss.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe 3792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Token: SeImpersonatePrivilege 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeDebugPrivilege 452 powershell.exe Token: SeSystemEnvironmentPrivilege 2620 csrss.exe Token: SeSecurityPrivilege 4636 sc.exe Token: SeSecurityPrivilege 4636 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3084 wrote to memory of 1600 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 94 PID 3084 wrote to memory of 1600 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 94 PID 3084 wrote to memory of 1600 3084 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 94 PID 808 wrote to memory of 1128 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 106 PID 808 wrote to memory of 1128 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 106 PID 808 wrote to memory of 1128 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 106 PID 808 wrote to memory of 4120 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 109 PID 808 wrote to memory of 4120 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 109 PID 4120 wrote to memory of 336 4120 cmd.exe 111 PID 4120 wrote to memory of 336 4120 cmd.exe 111 PID 808 wrote to memory of 4416 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 112 PID 808 wrote to memory of 4416 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 112 PID 808 wrote to memory of 4416 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 112 PID 808 wrote to memory of 4368 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 114 PID 808 wrote to memory of 4368 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 114 PID 808 wrote to memory of 4368 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 114 PID 808 wrote to memory of 2620 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 116 PID 808 wrote to memory of 2620 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 116 PID 808 wrote to memory of 2620 808 4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe 116 PID 2620 wrote to memory of 4372 2620 csrss.exe 117 PID 2620 wrote to memory of 4372 2620 csrss.exe 117 PID 2620 wrote to memory of 4372 2620 csrss.exe 117 PID 2620 wrote to memory of 3736 2620 csrss.exe 123 PID 2620 wrote to memory of 3736 2620 csrss.exe 123 PID 2620 wrote to memory of 3736 2620 csrss.exe 123 PID 2620 wrote to memory of 452 2620 csrss.exe 125 PID 2620 wrote to memory of 452 2620 csrss.exe 125 PID 2620 wrote to memory of 452 2620 csrss.exe 125 PID 2620 wrote to memory of 3792 2620 csrss.exe 127 PID 2620 wrote to memory of 3792 2620 csrss.exe 127 PID 2572 wrote to memory of 3712 2572 windefender.exe 135 PID 2572 wrote to memory of 3712 2572 windefender.exe 135 PID 2572 wrote to memory of 3712 2572 windefender.exe 135 PID 3712 wrote to memory of 4636 3712 cmd.exe 136 PID 3712 wrote to memory of 4636 3712 cmd.exe 136 PID 3712 wrote to memory of 4636 3712 cmd.exe 136 -
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
-
C:\Users\Admin\AppData\Local\Temp\4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe"C:\Users\Admin\AppData\Local\Temp\4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3084 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600
-
-
C:\Users\Admin\AppData\Local\Temp\4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.exe"C:\Users\Admin\AppData\Local\Temp\4c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1.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:808 -
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:1128
-
-
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:4120 -
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:336
-
-
-
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:4416
-
-
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:4368
-
-
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:2620 -
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:4372
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4020
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4976
-
-
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:3736
-
-
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:452
-
-
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:3792
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2580
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2572 -
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:3712 -
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:4636
-
-
-
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3888,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:81⤵PID:3300
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4392
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a065774bec5231aa109da5bc30c75c8
SHA1983c5e5def156e1a1c668c44b08aa569e3df80bb
SHA256c3855142457edb7671fc35b5bf589791f3900179fd37fca5f6d862afc9615312
SHA512db82e0525daafa3582865e12e2e3a968e33a5f9e71ee2535f8af50c0c94f9a483960f66164d43ffcfd38b983f540de831e04786b896c223abdce5108c10911ef
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d7b98219205b8eb9e1c82d86f54c904
SHA10a3d0961126f6eaec4feaaf69d9e7bbb0feacaf4
SHA2565344aee93d2fc6e3e65c9391516e309b07c97dd4fca96717a4a9b2d89971200d
SHA512785e4b9de5fcfc03059ca3342eca17c921e887c181770d6d70483b383ce7a95aebba6761d22123b73805371984812a980969d01a1d83f70b3f336471543d302a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e5e55bcb57f5744fe751fd3f5df4e09
SHA1bbc09234c03ff312b877c403934a7cecae0cd0ac
SHA2564a333039d1538eec480faac3757cba9a6bd4fa9a530281ee02002f7652293453
SHA51236eab681882b765206145814a7e9d502c297289a13130e7c4c838f68745c46410ed4f48b115da4d71d7897a873a6047618d16739f7aa799aebbb59fb477f3cdd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7e8aa5f9d0d3eb7127eaf1d80333a24
SHA12fd5c50a811dd7bd470c5890ed90ebb1daa6e813
SHA256127024bf88c57bd45a6640846f38c03010425b8156deaff35f3992df8a2e6e87
SHA512b41a072e3c214b0c62f7f154769389ed66fa31effb10ac95f77a537d517f286f492bdc45a3eca6bc38ba772edf66b8d63c8e16c6826391ca6cb40421ea2582c3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5064a9380766056085d18f842899029e8
SHA1ecc96f73a2c3bc841bd4b10acf5988d861b0661c
SHA2567f198816d3651da891d8401af5174f3ca3f8bc028e4b8eb6ad719f4160131182
SHA512e563653ca9ad6cfc2d037715aceb8001bb96791aef285ae8495f752511767473eeaba90b54f0711b7593265156894bb14313b14e63cc9056cda6736692f39757
-
Filesize
4.1MB
MD5609fbcae43f2905439a1ed85955018ba
SHA1803e7df2eef1ac2dd78fbc0aef061a5637dae590
SHA2564c5247759d4e4d4c312887bd79fc5fef793d912e63381719ac15d7c6e6c7d1a1
SHA512dab4dabb6c0aeef5e502a14588990a461ba3281171522a32c38b9ee938446a965ba8917e8d17065c2c2ed99a54fa01aaa433638bb83b8f71e70c970d9b272ac5
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec