Analysis
-
max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2022 17:13
Static task
static1
Behavioral task
behavioral1
Sample
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe
Resource
win10v2004-20220901-en
General
-
Target
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe
-
Size
310KB
-
MD5
c6d5caf032d4435e71637bd333f174fb
-
SHA1
1971852a4bedd32ac3a74d7a9600dcb369e71cce
-
SHA256
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007
-
SHA512
7a7176c80ade6000dbb7a4b94cb11f229b360ea8adab69d829cf24541d5f364e9f6143a697f1c839336da98261f9a038aacc4c463b90d67bb2fba56158d8144e
-
SSDEEP
6144:+gxRLtYltAaD+/eWOGkLc3zJJaRH4rWlRjO1n:+qRpYlt5DXbBotJayrW9u
Malware Config
Signatures
-
Detects Smokeloader packer 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1508-136-0x0000000000520000-0x0000000000529000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 53 4532 rundll32.exe 55 4532 rundll32.exe -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
2403.exepid process 3080 2403.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4532 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 4532 set thread context of 2964 4532 rundll32.exe rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3380 3080 WerFault.exe 2403.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe -
Checks processor information in registry 2 TTPs 26 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet rundll32.exe -
Processes:
description ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Toolbar Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -
Modifies registry class 30 IoCs
Processes:
rundll32.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e003100000000009355d289100054656d7000003a0009000400efbe21550a589355d7892e00000000000000000000000000000000000000000000000000342cb100540065006d007000000014000000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
pid process 3068 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exepid process 1508 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe 1508 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 3068 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 3068 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exepid process 1508 36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 Token: SeShutdownPrivilege 3068 Token: SeCreatePagefilePrivilege 3068 -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
rundll32.exepid process 2964 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
pid process 3068 3068 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
2403.exerundll32.exedescription pid process target process PID 3068 wrote to memory of 3080 3068 2403.exe PID 3068 wrote to memory of 3080 3068 2403.exe PID 3068 wrote to memory of 3080 3068 2403.exe PID 3080 wrote to memory of 4532 3080 2403.exe rundll32.exe PID 3080 wrote to memory of 4532 3080 2403.exe rundll32.exe PID 3080 wrote to memory of 4532 3080 2403.exe rundll32.exe PID 4532 wrote to memory of 2964 4532 rundll32.exe rundll32.exe PID 4532 wrote to memory of 2964 4532 rundll32.exe rundll32.exe PID 4532 wrote to memory of 2964 4532 rundll32.exe rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe"C:\Users\Admin\AppData\Local\Temp\36962dbe21b03b6b13e7a6e607f908eb54c0fa8d511d3d522fcb31322c938007.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1508
-
C:\Users\Admin\AppData\Local\Temp\2403.exeC:\Users\Admin\AppData\Local\Temp\2403.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Ipoetwsuqhd.tmp",Sufeidweoe2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 239993⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:2964 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 5322⤵
- Program crash
PID:3380
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3080 -ip 30801⤵PID:3732
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4252
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.0MB
MD51a61e55fa3fd1dc5cbf63d91e6c5a93b
SHA10f68fc53fafb875aa9150ab4d39b8b5015cac684
SHA25630b818c6458a2626eee09c58a2f02f11568c85a3011b4fde5b601cf8972d8a2a
SHA512975c9594a3583bd72d550c57ddd60bec585c87f556aa8118ed4288f0f77e69473a11c0d889692e758363ecdb4c4e9abb6c3d7bb01cc173051bddb9e46ca598d8
-
Filesize
1.0MB
MD51a61e55fa3fd1dc5cbf63d91e6c5a93b
SHA10f68fc53fafb875aa9150ab4d39b8b5015cac684
SHA25630b818c6458a2626eee09c58a2f02f11568c85a3011b4fde5b601cf8972d8a2a
SHA512975c9594a3583bd72d550c57ddd60bec585c87f556aa8118ed4288f0f77e69473a11c0d889692e758363ecdb4c4e9abb6c3d7bb01cc173051bddb9e46ca598d8
-
Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741
-
Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741