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Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe
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Size
148KB
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MD5
80f902f4f149451ac47e0d9c7ce94cb0
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SHA1
ca1303fcfa15b0f981a098ceae281c3abc68f304
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SHA256
4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd
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SHA512
329f8f1f69c28a65067a4846f8283bfcce541288e2765b5a5e1f2c540a0ae4d6ada1832ce1fbd24bcb37af5a21d10ebc76988b3fa2dd422efe9a4a146de9e696
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SSDEEP
1536:qz7xU6wWnlhXcro1XxcrABdFkouQ1KeCrhzra78rBkqhpMK/vIqXIVFSQaq9iKew:NSlRcro1XaEBQo1MHksqqXIVFSQrK
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" 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" leuas.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 leuas.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 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /x" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /k" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /n" leuas.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /g" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /c" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /d" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /e" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /w" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /s" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /l" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /i" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /u" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /r" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /j" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /a" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /y" leuas.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /p" 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /m" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /q" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /b" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /p" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /t" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /f" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /h" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /o" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /z" leuas.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\leuas = "C:\\Users\\Admin\\leuas.exe /v" leuas.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 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe 1728 leuas.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 1728 leuas.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 692 wrote to memory of 1728 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 82 PID 692 wrote to memory of 1728 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 82 PID 692 wrote to memory of 1728 692 4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.exe"C:\Users\Admin\AppData\Local\Temp\4596e02f769be228b0b0f21972d6d4b1f2cef78a11f40baf4fcce1852d8a64dd.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:692 -
C:\Users\Admin\leuas.exe"C:\Users\Admin\leuas.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:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD53418e813521592d0aa83d37f1d17b8dc
SHA170c552e20c36a09f9061c06265026979feec309e
SHA256f5b023fdc8692ac7ddef2a6e207003b61d95cd63c36ab7251c2b691a0094370e
SHA5121be6818639af8857b8458e0f05789240ebb81e1daf2751b0c056b3cc2113130d0e4f953f9e5adf3bc56392821e6aee2f56b65c7d05e708869e3ae4e207df06d0
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Filesize
148KB
MD53418e813521592d0aa83d37f1d17b8dc
SHA170c552e20c36a09f9061c06265026979feec309e
SHA256f5b023fdc8692ac7ddef2a6e207003b61d95cd63c36ab7251c2b691a0094370e
SHA5121be6818639af8857b8458e0f05789240ebb81e1daf2751b0c056b3cc2113130d0e4f953f9e5adf3bc56392821e6aee2f56b65c7d05e708869e3ae4e207df06d0