Analysis
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max time kernel
151s -
max time network
77s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 19:10
Static task
static1
Behavioral task
behavioral1
Sample
c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe
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Size
92KB
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MD5
33e3bbcf9b34c8cecb5279eec1d644e0
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SHA1
db62be5aeaf66691da1627a419d935ab58c67940
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SHA256
c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
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SHA512
eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b
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SSDEEP
1536:3YSSR+XyVoizrqkhSJ7p7bi/KveY4x5EPQJUnRSuvy0ORU5kgB:pSVaQrqkI97biTxSPMUnRt67Ckc
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuono.exe -
Executes dropped EXE 2 IoCs
pid Process 580 tuono.exe 1132 tuono.exe -
Loads dropped DLL 2 IoCs
pid Process 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /c" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /r" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /d" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /y" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /m" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /w" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /j" tuono.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /g" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /k" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /e" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /l" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /p" tuono.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /n" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /f" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /q" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /o" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /y" c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /a" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /x" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /i" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /v" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /u" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /h" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /s" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /b" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /z" tuono.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuono = "C:\\Users\\Admin\\tuono.exe /t" tuono.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum tuono.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 tuono.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf tuono.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1204 set thread context of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 580 set thread context of 1132 580 tuono.exe 29 -
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 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe 1132 tuono.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 580 tuono.exe 1132 tuono.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1204 wrote to memory of 1768 1204 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 27 PID 1768 wrote to memory of 580 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 28 PID 1768 wrote to memory of 580 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 28 PID 1768 wrote to memory of 580 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 28 PID 1768 wrote to memory of 580 1768 c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe 28 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29 PID 580 wrote to memory of 1132 580 tuono.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe"C:\Users\Admin\AppData\Local\Temp\c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539.exe0712⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Users\Admin\tuono.exe"C:\Users\Admin\tuono.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Users\Admin\tuono.exe0714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1132
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
92KB
MD533e3bbcf9b34c8cecb5279eec1d644e0
SHA1db62be5aeaf66691da1627a419d935ab58c67940
SHA256c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
SHA512eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b
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Filesize
92KB
MD533e3bbcf9b34c8cecb5279eec1d644e0
SHA1db62be5aeaf66691da1627a419d935ab58c67940
SHA256c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
SHA512eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b
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Filesize
92KB
MD533e3bbcf9b34c8cecb5279eec1d644e0
SHA1db62be5aeaf66691da1627a419d935ab58c67940
SHA256c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
SHA512eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b
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Filesize
92KB
MD533e3bbcf9b34c8cecb5279eec1d644e0
SHA1db62be5aeaf66691da1627a419d935ab58c67940
SHA256c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
SHA512eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b
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Filesize
92KB
MD533e3bbcf9b34c8cecb5279eec1d644e0
SHA1db62be5aeaf66691da1627a419d935ab58c67940
SHA256c77284987a90f51382df387f35b0780ff16b7e71230926a91caea9b5e955f539
SHA512eb1faf6aca854b8747e433fe756a1d0aef1a66e2d6a1a18ab8ee5da68fc30556087a065cf732120d09a03dba2fb9bec24c95215115592cb93eee336861801b1b