Analysis
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max time kernel
158s -
max time network
95s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 23:56
Static task
static1
Behavioral task
behavioral1
Sample
d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe
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Size
163KB
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MD5
9296afe852c05767a0e12b1be0e0521c
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SHA1
4c8ab23a1bec00205bbabaa0749048bbe2b10e79
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SHA256
d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
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SHA512
6953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957
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SSDEEP
3072:4zWtRk4v85scSdXgMziUygrKdO3mQKks4xUaq:4K84vRhgMOUBrKdO36fvH
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zayax.exe -
Executes dropped EXE 2 IoCs
pid Process 1324 zayax.exe 2032 zayax.exe -
Loads dropped DLL 2 IoCs
pid Process 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /k" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /q" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /e" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /h" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /w" d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /v" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /t" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /a" zayax.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /x" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /b" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /p" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /o" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /i" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /r" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /z" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /w" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /l" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /d" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /f" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /g" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /c" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /m" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /u" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /n" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /y" zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /j" zayax.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zayax.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zayax = "C:\\Users\\Admin\\zayax.exe /s" zayax.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum zayax.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 zayax.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.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 zayax.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 860 set thread context of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 1324 set thread context of 2032 1324 zayax.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 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe 2032 zayax.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 1324 zayax.exe 2032 zayax.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 860 wrote to memory of 1372 860 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 27 PID 1372 wrote to memory of 1324 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 28 PID 1372 wrote to memory of 1324 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 28 PID 1372 wrote to memory of 1324 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 28 PID 1372 wrote to memory of 1324 1372 d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe 28 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29 PID 1324 wrote to memory of 2032 1324 zayax.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe"C:\Users\Admin\AppData\Local\Temp\d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Users\Admin\AppData\Local\Temp\d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54.exe712⤵
- 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:1372 -
C:\Users\Admin\zayax.exe"C:\Users\Admin\zayax.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\zayax.exe714⤵
- 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:2032
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
163KB
MD59296afe852c05767a0e12b1be0e0521c
SHA14c8ab23a1bec00205bbabaa0749048bbe2b10e79
SHA256d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
SHA5126953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957
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Filesize
163KB
MD59296afe852c05767a0e12b1be0e0521c
SHA14c8ab23a1bec00205bbabaa0749048bbe2b10e79
SHA256d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
SHA5126953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957
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Filesize
163KB
MD59296afe852c05767a0e12b1be0e0521c
SHA14c8ab23a1bec00205bbabaa0749048bbe2b10e79
SHA256d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
SHA5126953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957
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Filesize
163KB
MD59296afe852c05767a0e12b1be0e0521c
SHA14c8ab23a1bec00205bbabaa0749048bbe2b10e79
SHA256d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
SHA5126953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957
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Filesize
163KB
MD59296afe852c05767a0e12b1be0e0521c
SHA14c8ab23a1bec00205bbabaa0749048bbe2b10e79
SHA256d547c9d1e09b1065064b144a5b64b9f004271fc198cc038f5243f4ff16a15c54
SHA5126953b091c0e9a78d132ea39a5acc86230bf5d6ce980fb24acee3092177302c08a6199d8a70e1a65502ee493e84f8a3375c5ba12ec260e0ce4cb1f1c4c68cd957