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Analysis
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max time kernel
151s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
0 signatures
150 seconds
General
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Target
a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe
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Size
212KB
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MD5
12bc5b50b19d1b25dcb1f192892b8e98
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SHA1
36f053dca55a0289c23c8fefb11d7f6afe513fdc
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SHA256
a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e
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SHA512
c4d4b9e0f423f2af6cff08dc56f50205bdb95cc43d8073a183a3be775b8cc468acb3fde04de694f8221d4c5c4e1b4cf04c5d85f7c44a16a67e03745c893e5263
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SSDEEP
6144:EdAQlUWF/B/XQSA5g9+plxVSzfuDkZHxUZgyagnZYsHmv+3sH3OU5GGE9EsWR1s6:vQHngnZYsGX
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" a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ruobo.exe -
Executes dropped EXE 1 IoCs
pid Process 2028 ruobo.exe -
Loads dropped DLL 2 IoCs
pid Process 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /u" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /a" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /f" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /l" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /j" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /h" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /v" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /v" a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /e" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /o" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /k" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /d" ruobo.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /s" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /y" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /w" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /b" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /r" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /x" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /p" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /q" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /z" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /g" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /t" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /n" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /m" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /c" ruobo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruobo = "C:\\Users\\Admin\\ruobo.exe /i" ruobo.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 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe 2028 ruobo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 2028 ruobo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1348 wrote to memory of 2028 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 27 PID 1348 wrote to memory of 2028 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 27 PID 1348 wrote to memory of 2028 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 27 PID 1348 wrote to memory of 2028 1348 a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe"C:\Users\Admin\AppData\Local\Temp\a189035d2f2d51caccf45785c8f1be1cb6fb175114897faf4862e2ec6d2ed14e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Users\Admin\ruobo.exe"C:\Users\Admin\ruobo.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:2028
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD5300de7a7b2dceb531a50170ad4a34dc4
SHA10a36a68f96b323c08bde02298b3d3eaa4ae00e61
SHA2565638a03cd4de7a6663f63d1d0b6f32d8647e202ead57457acdd9cff168e67beb
SHA51228eed207c11900a176800e5a94d802215e57401aa27ebd79f14acf9f1fd48186ecb1e6b755b02121622f44db86b19078078fb57508bb83e1a729555b5a22e1ad
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Filesize
212KB
MD5300de7a7b2dceb531a50170ad4a34dc4
SHA10a36a68f96b323c08bde02298b3d3eaa4ae00e61
SHA2565638a03cd4de7a6663f63d1d0b6f32d8647e202ead57457acdd9cff168e67beb
SHA51228eed207c11900a176800e5a94d802215e57401aa27ebd79f14acf9f1fd48186ecb1e6b755b02121622f44db86b19078078fb57508bb83e1a729555b5a22e1ad
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Filesize
212KB
MD5300de7a7b2dceb531a50170ad4a34dc4
SHA10a36a68f96b323c08bde02298b3d3eaa4ae00e61
SHA2565638a03cd4de7a6663f63d1d0b6f32d8647e202ead57457acdd9cff168e67beb
SHA51228eed207c11900a176800e5a94d802215e57401aa27ebd79f14acf9f1fd48186ecb1e6b755b02121622f44db86b19078078fb57508bb83e1a729555b5a22e1ad
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Filesize
212KB
MD5300de7a7b2dceb531a50170ad4a34dc4
SHA10a36a68f96b323c08bde02298b3d3eaa4ae00e61
SHA2565638a03cd4de7a6663f63d1d0b6f32d8647e202ead57457acdd9cff168e67beb
SHA51228eed207c11900a176800e5a94d802215e57401aa27ebd79f14acf9f1fd48186ecb1e6b755b02121622f44db86b19078078fb57508bb83e1a729555b5a22e1ad