Analysis
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max time kernel
163s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 00:22
Static task
static1
Behavioral task
behavioral1
Sample
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
Resource
win10v2004-20221111-en
General
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Target
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe
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Size
308KB
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MD5
1f546ffdebfbd9d3a694437a3bc03f40
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SHA1
313a687a522119cb02c93f87f8b8aba1ded062b0
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SHA256
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370
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SHA512
57e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2
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SSDEEP
3072:J3BEmcynKkAhDQMXR/zJv4OjZe4gZTUHwkK8hmDA4dCuh8PMAGLNVVgiIMU3BDkg:FCGMzXR/zjjZe4owHe8hAAKX8PgNpk
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exetuiumek.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuiumek.exe -
Executes dropped EXE 1 IoCs
Processes:
tuiumek.exepid process 1856 tuiumek.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe -
Adds Run key to start application 2 TTPs 29 IoCs
Processes:
tuiumek.exede073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /b" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /l" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /v" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /s" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /f" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /g" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /j" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /t" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /n" tuiumek.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /i" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /r" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /j" de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /d" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /p" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /a" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /x" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /q" tuiumek.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /u" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /h" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /e" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /c" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /y" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /m" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /k" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /w" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /z" tuiumek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuiumek = "C:\\Users\\Admin\\tuiumek.exe /o" tuiumek.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exetuiumek.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum tuiumek.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 tuiumek.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exetuiumek.exepid process 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe 1856 tuiumek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exetuiumek.exepid process 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe 1856 tuiumek.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exedescription pid process target process PID 2568 wrote to memory of 1856 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe tuiumek.exe PID 2568 wrote to memory of 1856 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe tuiumek.exe PID 2568 wrote to memory of 1856 2568 de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe tuiumek.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe"C:\Users\Admin\AppData\Local\Temp\de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\tuiumek.exe"C:\Users\Admin\tuiumek.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\tuiumek.exeFilesize
308KB
MD51f546ffdebfbd9d3a694437a3bc03f40
SHA1313a687a522119cb02c93f87f8b8aba1ded062b0
SHA256de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370
SHA51257e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2
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C:\Users\Admin\tuiumek.exeFilesize
308KB
MD51f546ffdebfbd9d3a694437a3bc03f40
SHA1313a687a522119cb02c93f87f8b8aba1ded062b0
SHA256de073e05a7b5eea15330bef5ad778750584908f5cc8cc80a6a9ee68442da8370
SHA51257e675739905e2ff76df8b039832f592f008471d248b272655fe53002f36e36c82d2b7e5c9f31fc2cb7007689faf213e854acf3f688efaf2d71c1bc403bb28d2
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memory/1856-134-0x0000000000000000-mapping.dmp