Analysis
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max time kernel
152s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:49
Static task
static1
Behavioral task
behavioral1
Sample
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe
Resource
win10v2004-20220812-en
General
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Target
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe
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Size
224KB
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MD5
4ace3636604797c9f776f82971c2a552
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SHA1
65f5ecba198a7897aa4496906d6b9f0b2a91067f
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SHA256
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d
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SHA512
681d6f21756c27aa38d66bb06aaff9ef64ddee903e5d9f96820785f5ae48be46726b8d1915d88334bbb6c7c5c0fc0d5ca5e983d211ab6ac8a30724668193c635
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SSDEEP
3072:kXyqNsMoBuDZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:7qN5Tp4LnbmlrZW
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exeweokil.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weokil.exe -
Executes dropped EXE 1 IoCs
Processes:
weokil.exepid process 860 weokil.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe -
Adds Run key to start application 2 TTPs 29 IoCs
Processes:
weokil.exe0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /v" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /g" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /z" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /p" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /s" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /u" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /c" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /b" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /q" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /n" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /f" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /j" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /d" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /x" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /o" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /h" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /e" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /i" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /m" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /k" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /r" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /p" 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /w" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /t" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /l" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /a" weokil.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weokil = "C:\\Users\\Admin\\weokil.exe /y" weokil.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weokil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exeweokil.exepid process 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe 860 weokil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exeweokil.exepid process 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe 860 weokil.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exedescription pid process target process PID 976 wrote to memory of 860 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe weokil.exe PID 976 wrote to memory of 860 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe weokil.exe PID 976 wrote to memory of 860 976 0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe weokil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe"C:\Users\Admin\AppData\Local\Temp\0f204231eebf22117038a459ae3336b989db86ddcaba337b19f40e3c6d34b51d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\weokil.exe"C:\Users\Admin\weokil.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\weokil.exeFilesize
224KB
MD54943cd12772f2a741fff97da71ced1f1
SHA1194ea74607613659b1c4bc7381dc0c80e7a85696
SHA25654a1be23494cce9180c9a089e12797ce98b37ac41be4f55499e704e9362abea6
SHA51255d376b37f7908c989576b106409c7c703c0f36225274621fb6ed023a0e506cf3f0ef4d52ece677224a97e04d2b37511b7e28b5071312c031a1d663f7e4eda79
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C:\Users\Admin\weokil.exeFilesize
224KB
MD54943cd12772f2a741fff97da71ced1f1
SHA1194ea74607613659b1c4bc7381dc0c80e7a85696
SHA25654a1be23494cce9180c9a089e12797ce98b37ac41be4f55499e704e9362abea6
SHA51255d376b37f7908c989576b106409c7c703c0f36225274621fb6ed023a0e506cf3f0ef4d52ece677224a97e04d2b37511b7e28b5071312c031a1d663f7e4eda79
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memory/860-134-0x0000000000000000-mapping.dmp