Analysis
-
max time kernel
150s -
max time network
143s -
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, 12:40
Static task
static1
Behavioral task
behavioral1
Sample
b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe
Resource
win10v2004-20240508-en
General
-
Target
b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe
-
Size
4.1MB
-
MD5
ff9e6711f26fb3c5be35d8777d0110c9
-
SHA1
ca853fa75d22fd6cd2aa329064376385722be45b
-
SHA256
b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca
-
SHA512
56724181be49358eceb408b4f6c5bc4c0ee2cb6887772668c9b4ed25c100fd6c38c7990777816ccb08efaf33896c7ff65e2f208a5d8d869164653f4935488f09
-
SSDEEP
98304:El9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+ty:pT3oWlQMUAMlWxj+ty
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/512-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/512-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/512-81-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/4068-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4068-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3508-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3368 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3508 csrss.exe 404 injector.exe -
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\"" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.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 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 -
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 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe File created C:\Windows\rss\csrss.exe b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe -
pid Process 3960 powershell.exe 4296 powershell.exe 3036 powershell.exe 3144 powershell.exe 536 powershell.exe 1336 powershell.exe 3032 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 1244 schtasks.exe 3992 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,-931 = "Coordinated Universal Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.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\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-152 = "Central America Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-432 = "Iran Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-831 = "SA Eastern Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.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" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-11 = "Azores Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4296 powershell.exe 4296 powershell.exe 4296 powershell.exe 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 3036 powershell.exe 3036 powershell.exe 3036 powershell.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 3144 powershell.exe 3144 powershell.exe 3144 powershell.exe 536 powershell.exe 536 powershell.exe 536 powershell.exe 1336 powershell.exe 1336 powershell.exe 1336 powershell.exe 3032 powershell.exe 3032 powershell.exe 3032 powershell.exe 3960 powershell.exe 3960 powershell.exe 3960 powershell.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 3508 csrss.exe 3508 csrss.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 3508 csrss.exe 3508 csrss.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe 404 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Token: SeImpersonatePrivilege 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 536 powershell.exe Token: SeDebugPrivilege 1336 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeSystemEnvironmentPrivilege 3508 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 512 wrote to memory of 4296 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 95 PID 512 wrote to memory of 4296 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 95 PID 512 wrote to memory of 4296 512 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 95 PID 4068 wrote to memory of 3036 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 106 PID 4068 wrote to memory of 3036 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 106 PID 4068 wrote to memory of 3036 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 106 PID 4068 wrote to memory of 1132 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 110 PID 4068 wrote to memory of 1132 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 110 PID 1132 wrote to memory of 3368 1132 cmd.exe 112 PID 1132 wrote to memory of 3368 1132 cmd.exe 112 PID 4068 wrote to memory of 3144 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 113 PID 4068 wrote to memory of 3144 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 113 PID 4068 wrote to memory of 3144 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 113 PID 4068 wrote to memory of 536 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 115 PID 4068 wrote to memory of 536 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 115 PID 4068 wrote to memory of 536 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 115 PID 4068 wrote to memory of 3508 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 117 PID 4068 wrote to memory of 3508 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 117 PID 4068 wrote to memory of 3508 4068 b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe 117 PID 3508 wrote to memory of 1336 3508 csrss.exe 118 PID 3508 wrote to memory of 1336 3508 csrss.exe 118 PID 3508 wrote to memory of 1336 3508 csrss.exe 118 PID 3508 wrote to memory of 3032 3508 csrss.exe 123 PID 3508 wrote to memory of 3032 3508 csrss.exe 123 PID 3508 wrote to memory of 3032 3508 csrss.exe 123 PID 3508 wrote to memory of 3960 3508 csrss.exe 126 PID 3508 wrote to memory of 3960 3508 csrss.exe 126 PID 3508 wrote to memory of 3960 3508 csrss.exe 126 PID 3508 wrote to memory of 404 3508 csrss.exe 129 PID 3508 wrote to memory of 404 3508 csrss.exe 129 -
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\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe"C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296
-
-
C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe"C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.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:4068 -
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:3036
-
-
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:1132 -
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:3368
-
-
-
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:3144
-
-
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:536
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508 -
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:1336
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1244
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2036
-
-
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:3032
-
-
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:3960
-
-
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:404
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3992
-
-
-
-
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=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:81⤵PID:2092
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
MD5d99f397ed11579526896f62e22f072ff
SHA168ad2ecc17736b682cab5690aa2d591b9934a690
SHA2568ce55ea2a299ad4dd6245665c81b6ceb2a6cf82acf13d413a56649d521a1aa98
SHA5121f042bf7ff607f69d5b14afd768756415c04c206a511febdbb9e3b5d4d5e768bb8f0af03a3fe075c259fb88673ffb7407617068a621c83a21e938d7a20069271
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5887c6d824fbcacf6a2e5ecf388fc3bc8
SHA1d8c1c3e5f5fe6644181935df9196e1607859d034
SHA2561c3095841552d5523628b887f4c16cb455db1a84407b9cb24b9a1ac179731d26
SHA512e636ffa19ee5a8b856c13bd74a6756ca68c7549dadf96c501552b76b44e89656609eaea5fddd3eca7b0f3e0a1c412d5692f83f81123b96876fe1746be0819add
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566bdcf05ad1dd568608bc40538dde9eb
SHA1ff0afe6f46f489e73be10f93dc8145664ec0435e
SHA256e268c3b5e040bb6c143df0f0e75a296bc1ca80a8a2efb39a4cd95729bb7a555e
SHA512a2ce80d606523fb19d78c9ae0206ea35b999bf94ab1cf4f3d1be2782f02df376d3b451f1092e7ea7bc086a2d7256912ff7ed0e7de20e343f1821d869a06aff4b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d5baa67c71385faac242a73e3b4d299
SHA1066e11fbfc11a1716d79303a792f3a1b00c3eaef
SHA25645192f0fb61326404f17719952e33d9b9daa948ea731758aa6fb124f34497cd0
SHA512f86d85674110e4625588340db24e5f9c3ec34c8c96c897e751c9bfd12c82b13ee7f7fbccedfa59de8efff930497b731f3eb68a35ec2245be5efe42e860735f40
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50672b363c33deb6a7838668f11d6d08d
SHA16e06feee9447ab0c47fbac0f6fc2d04ced67104f
SHA256ec9946c332cca3c4c0731db05ef3c0063527f7b68f3c810afc4011e539aaebca
SHA51216ee9a545ec4a48bd0f918da6a00220289a35b965c79cf1c272772923ccb47a0dc5ba8d6f32a5775cfed8c595d26710d1c731f266b0d2c062bb8322424174053
-
Filesize
4.1MB
MD5ff9e6711f26fb3c5be35d8777d0110c9
SHA1ca853fa75d22fd6cd2aa329064376385722be45b
SHA256b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca
SHA51256724181be49358eceb408b4f6c5bc4c0ee2cb6887772668c9b4ed25c100fd6c38c7990777816ccb08efaf33896c7ff65e2f208a5d8d869164653f4935488f09