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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
10/03/2024, 07:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be0a74d371455797d1c7c979bd4130ae.exe
Resource
win7-20240220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
be0a74d371455797d1c7c979bd4130ae.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
be0a74d371455797d1c7c979bd4130ae.exe
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Size
184KB
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MD5
be0a74d371455797d1c7c979bd4130ae
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SHA1
3184fc339a644d1e85ba578f90c246ec46e45b81
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SHA256
44e7c4e30d8a658d65d823c90f7b2093d5c420b7a1bebc4fd2fdd80ee58a0cc8
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SHA512
9c8fa4c3ce8edce3de1201f54e3c1fedf78ff5f00c994e462862510a93b8b87fb79f4e8c4513fb20d54f6dbbd1021b53c911ffad144783446e5a222c3a3f14e2
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SSDEEP
3072:sKjcLo2sck6HR1kT+SCBT2KD07wcJ1USgyavhmVizMpbzyv8+CT:sNRsckgH++SCNv2wcJ1USgya5Y6MpbVZ
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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" be0a74d371455797d1c7c979bd4130ae.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vycux.exe -
Executes dropped EXE 1 IoCs
pid Process 1748 vycux.exe -
Loads dropped DLL 2 IoCs
pid Process 2064 be0a74d371455797d1c7c979bd4130ae.exe 2064 be0a74d371455797d1c7c979bd4130ae.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /y" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /p" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /l" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /w" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /n" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /v" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /x" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /d" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /s" be0a74d371455797d1c7c979bd4130ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /z" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /e" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /a" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /i" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /b" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /u" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /g" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /c" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /f" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /s" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /k" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /o" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /r" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /m" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /t" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /j" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /h" vycux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\vycux = "C:\\Users\\Admin\\vycux.exe /q" vycux.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2064 be0a74d371455797d1c7c979bd4130ae.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe 1748 vycux.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2064 be0a74d371455797d1c7c979bd4130ae.exe 1748 vycux.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2064 wrote to memory of 1748 2064 be0a74d371455797d1c7c979bd4130ae.exe 28 PID 2064 wrote to memory of 1748 2064 be0a74d371455797d1c7c979bd4130ae.exe 28 PID 2064 wrote to memory of 1748 2064 be0a74d371455797d1c7c979bd4130ae.exe 28 PID 2064 wrote to memory of 1748 2064 be0a74d371455797d1c7c979bd4130ae.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\be0a74d371455797d1c7c979bd4130ae.exe"C:\Users\Admin\AppData\Local\Temp\be0a74d371455797d1c7c979bd4130ae.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:2064 -
C:\Users\Admin\vycux.exe"C:\Users\Admin\vycux.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:1748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
184KB
MD526e0d400f95b4cc124a0f3beaacb2cff
SHA15046dfee28157f86c9d91e62e4e9d3e79a65496e
SHA25645abcfc5622fff3e20f0b5bbb1e3954037527ea4f60868497297af8e18c59132
SHA51269e885872c8f54b3b2cbdf02d562e651f120998890e57f8b37e069e1019a52c6a3c1766b45047e8a305aab053a8c08e77a94f0f3a84120dcd927b5ec73e94e84