Analysis
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max time kernel
151s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 12:25
Static task
static1
Behavioral task
behavioral1
Sample
9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe
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Size
128KB
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MD5
996dde87021e5987b024277aafbf19bf
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SHA1
a76be5b73ae1231f7bd00ae519fd779ca64b9067
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SHA256
9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e
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SHA512
70b9e76aca3bca33973004cc0a09b8613cc108d99858e2067bcb9a51427c9b67b9c110a09da65e5bf7b8097ea5784625dd12a0b3807ab1c04e7397d5bed1afce
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SSDEEP
3072:+7CbZSukOY8hrJFVNM/N/5sfqDfwqpHa:0ork6hrJ3NON/5sG9
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tudec.exe -
Executes dropped EXE 1 IoCs
pid Process 4808 tudec.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /s" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /l" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /u" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /U" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /e" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /j" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /S" tudec.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /B" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /p" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /M" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /d" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /K" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /b" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /h" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /O" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /P" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /Z" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /o" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /V" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /O" 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /q" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /D" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /R" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /N" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /r" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /c" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /m" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /T" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /Y" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /w" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /v" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /a" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /A" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /I" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /f" tudec.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /G" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /z" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /C" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /Q" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /F" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /X" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /k" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /x" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /g" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /y" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /i" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /n" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /L" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /H" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /E" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /J" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /t" tudec.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tudec = "C:\\Users\\Admin\\tudec.exe /W" tudec.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
pid Process 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe 4808 tudec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 4808 tudec.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 804 wrote to memory of 4808 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 87 PID 804 wrote to memory of 4808 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 87 PID 804 wrote to memory of 4808 804 9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.exe"C:\Users\Admin\AppData\Local\Temp\9578ce532a8823901ad06bd1fc4ae9973052c74b901e2f85e136330e6251671e.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
PID:804 -
C:\Users\Admin\tudec.exe"C:\Users\Admin\tudec.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
PID:4808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
128KB
MD5d92e16924bddf50afec8703ef144d5b6
SHA1ab76006b70c6c5499bbc823b4b7528729efeeed2
SHA2564aecd2f0f4f5e02266b0953533513d4f3b7ae8175ac304a0c0a561a71339d6b6
SHA512d77cb4ec41fc35409afa1ac14e2e8f44fd048e332423e6c6b873cd352fb14991c7b0dedd286001876d213569b03112deb99f8f9024c5b098ff8715ea3cbced0f
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Filesize
128KB
MD5d92e16924bddf50afec8703ef144d5b6
SHA1ab76006b70c6c5499bbc823b4b7528729efeeed2
SHA2564aecd2f0f4f5e02266b0953533513d4f3b7ae8175ac304a0c0a561a71339d6b6
SHA512d77cb4ec41fc35409afa1ac14e2e8f44fd048e332423e6c6b873cd352fb14991c7b0dedd286001876d213569b03112deb99f8f9024c5b098ff8715ea3cbced0f