Analysis
-
max time kernel
152s -
max time network
156s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
22/09/2023, 05:12
Static task
static1
General
-
Target
24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe
-
Size
4.1MB
-
MD5
3eb71040bc91b8c1fbb0568233fb9c14
-
SHA1
37cd96b56d9b89e6c7f5cdc4e614be9646a1909c
-
SHA256
24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda
-
SHA512
e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983
-
SSDEEP
98304:K1x3Q/VwwSYt94YcWJjACvETcteichLVrFLLHVmNx3/:QeHS0m1HCs4IVrZLHwNxv
Malware Config
Signatures
-
Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/1936-1-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/1936-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1936-69-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1936-70-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/1936-304-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3496-306-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/3496-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3496-545-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3496-556-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3496-807-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3496-1050-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1154-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1646-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1797-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1798-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1799-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1800-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1801-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1802-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1803-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/424-1804-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 316 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 424 csrss.exe 4900 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe = "0" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2713497151-363818805-1301026598-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\S-1-5-21-2713497151-363818805-1301026598-1000\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 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe File created C:\Windows\rss\csrss.exe 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.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 5072 schtasks.exe 4644 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 4260 powershell.exe 4260 powershell.exe 4260 powershell.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 1032 powershell.exe 1032 powershell.exe 1032 powershell.exe 2772 powershell.exe 2772 powershell.exe 2772 powershell.exe 5000 powershell.exe 5000 powershell.exe 5000 powershell.exe 3972 powershell.exe 3972 powershell.exe 3972 powershell.exe 5028 powershell.exe 5028 powershell.exe 5028 powershell.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 424 csrss.exe 424 csrss.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 424 csrss.exe 424 csrss.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe 4900 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Token: SeImpersonatePrivilege 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeSystemEnvironmentPrivilege 424 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1936 wrote to memory of 4104 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 71 PID 1936 wrote to memory of 4104 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 71 PID 1936 wrote to memory of 4104 1936 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 71 PID 3496 wrote to memory of 4260 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 76 PID 3496 wrote to memory of 4260 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 76 PID 3496 wrote to memory of 4260 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 76 PID 3496 wrote to memory of 436 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 79 PID 3496 wrote to memory of 436 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 79 PID 436 wrote to memory of 316 436 cmd.exe 80 PID 436 wrote to memory of 316 436 cmd.exe 80 PID 3496 wrote to memory of 1032 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 81 PID 3496 wrote to memory of 1032 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 81 PID 3496 wrote to memory of 1032 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 81 PID 3496 wrote to memory of 2772 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 83 PID 3496 wrote to memory of 2772 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 83 PID 3496 wrote to memory of 2772 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 83 PID 3496 wrote to memory of 424 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 85 PID 3496 wrote to memory of 424 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 85 PID 3496 wrote to memory of 424 3496 24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe 85 PID 424 wrote to memory of 5000 424 csrss.exe 86 PID 424 wrote to memory of 5000 424 csrss.exe 86 PID 424 wrote to memory of 5000 424 csrss.exe 86 PID 424 wrote to memory of 3972 424 csrss.exe 92 PID 424 wrote to memory of 3972 424 csrss.exe 92 PID 424 wrote to memory of 3972 424 csrss.exe 92 PID 424 wrote to memory of 5028 424 csrss.exe 95 PID 424 wrote to memory of 5028 424 csrss.exe 95 PID 424 wrote to memory of 5028 424 csrss.exe 95 PID 424 wrote to memory of 4900 424 csrss.exe 97 PID 424 wrote to memory of 4900 424 csrss.exe 97 -
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\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4104
-
-
C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:3496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4260
-
-
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:436 -
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
- Modifies data under HKEY_USERS
PID:316
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1032
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
-
-
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:424 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5072
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5088
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5028
-
-
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:4900
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4644
-
-
-
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
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b4b05b52a8f66c7494ce9a9252679cad
SHA1e364248258791030ad48a3d22fabbae269623c3c
SHA25624e0fae21a9e18f9cbc1c6a63b6c84c46e5f6b6cc5ed02fc46d1ea57b93a619e
SHA5121e62e44c0850d942bd0c2783930f06b6b9cf8aef83d28cc8e55ae6b516d7559f5e79fd122c244a3b1395f40a6dde49caf16688e3e46b76a59384f4b695b84064
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD55a6d8b2bf3e4f9a233527428b74ab8ce
SHA136151820fc5898ca134248e40404d079c28514b7
SHA256d74bc2380143bda481d6ad2cbfe5803998701b6163b8b08408907e377988e729
SHA5122e6b302b2974286380243f10080ed30d59aaeec8f8c80dac0aa6945f170d97cbf3bc4c8a8fd44022eaf6c08227ccdface7ae3c0b98b66b99be9dcf82f70e9a6e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50e7c015feb8ba1748e7a3e6d1ef07a11
SHA1055ef554582f6e6e0afb8d35d00cd229bc94c554
SHA256f80e423935fac235238734a3d0c09899e730ac80748d8216463e4184d6a9c6b6
SHA512e68e252b9f0478f5916ec5ad2862718b1b17ebcfd6df29699695e803c70911f22e721bd4e37b275c9cd0214469608ebd13182b234480bc835d3b3454baf040f0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5c7aea93fd88c1b476f4313a3394480d3
SHA124f97e8a64d75e6f2876408c0f5697178daa7a2b
SHA256bdc454395b29c38259e990d8024e380d23f14a02da2a1f0dd45a38e16f981bd1
SHA5123b73ce86a8c3a751d8ce5c0e7b97b0b7d7264ad4d884e7974b8dc8388f702d5c2014a8c13a209b55971fb2bda168efa9e01a5f89e4292d9286407680e59c6a28
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56e31611d3a59b52cc16e46d7319ce28b
SHA1d34249a2d4e2cd1eeb4c73b972623675b5300e4a
SHA25611b0de3957c5adb85920c3fb43d25073e1377bdf21bdf8a21b95b5a8d24c52f6
SHA5122da987d4bb87f7b4f55955647ea35f57c791b9fb923b3045b38379e520c93b04c7e1ddc5a744932db6d7fda3f082abf5e9eaf54d77da9c74f459420256a581f5
-
Filesize
4.1MB
MD53eb71040bc91b8c1fbb0568233fb9c14
SHA137cd96b56d9b89e6c7f5cdc4e614be9646a1909c
SHA25624aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda
SHA512e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983
-
Filesize
4.1MB
MD53eb71040bc91b8c1fbb0568233fb9c14
SHA137cd96b56d9b89e6c7f5cdc4e614be9646a1909c
SHA25624aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda
SHA512e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983