Analysis
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max time kernel
187s -
max time network
108s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/10/2022, 04:15
Static task
static1
Behavioral task
behavioral1
Sample
66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe
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Size
220KB
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MD5
4de2a9d778cf6e878268cec83b117a40
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SHA1
01f646dc5ab7fa6489989d5aef6e03aa4028a133
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SHA256
66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8
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SHA512
69e841e1dd3297e0f24eaf7127768697e86179a77b338131e1d02e230a70aaa3fc9bc7b3f753c046bd20611215f07c6be15d9c6686a0227e59dd609d9551e4d5
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SSDEEP
3072:T/Ouv7kr8YUL4qx9RIHgil3UuhSa3U3dD8d6Oy+MIrnj3J+Nkq:TOeko15x9SHVeOj0V
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" piuteez.exe -
Executes dropped EXE 1 IoCs
pid Process 1232 piuteez.exe -
Loads dropped DLL 2 IoCs
pid Process 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /h" 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /h" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /k" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /s" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /n" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /c" piuteez.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /l" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /r" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /v" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /u" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /g" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /q" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /o" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /z" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /f" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /x" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /a" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /m" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /y" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /e" piuteez.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /p" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /t" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /d" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /b" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /j" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /w" piuteez.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuteez = "C:\\Users\\Admin\\piuteez.exe /i" piuteez.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 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe 1232 piuteez.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 1232 piuteez.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 920 wrote to memory of 1232 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 27 PID 920 wrote to memory of 1232 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 27 PID 920 wrote to memory of 1232 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 27 PID 920 wrote to memory of 1232 920 66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.exe"C:\Users\Admin\AppData\Local\Temp\66b4f34267b06d09dd20e20ead1206846a45586e56109e69870c37c1f3632dc8.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:920 -
C:\Users\Admin\piuteez.exe"C:\Users\Admin\piuteez.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:1232
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
220KB
MD5853ac6bb12b83cbee0562b7b9cab6bbd
SHA13ccf9937cca7fb2b8a5270e9b96955685aabed43
SHA256cf74eda9c40c3d04a5e1b2c17a5e240df7cadf6589ecfd9e23a10f57cf29ff47
SHA5124c3ecbad0f17b832930a25f4d71196e78c9e1d4252ddb608c4bb7f8dab0dd31e8008a1e837692cf8816c1ea2c6405043e398c5fc749c5095bd0dd46683fc250c
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Filesize
220KB
MD5853ac6bb12b83cbee0562b7b9cab6bbd
SHA13ccf9937cca7fb2b8a5270e9b96955685aabed43
SHA256cf74eda9c40c3d04a5e1b2c17a5e240df7cadf6589ecfd9e23a10f57cf29ff47
SHA5124c3ecbad0f17b832930a25f4d71196e78c9e1d4252ddb608c4bb7f8dab0dd31e8008a1e837692cf8816c1ea2c6405043e398c5fc749c5095bd0dd46683fc250c
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Filesize
220KB
MD5853ac6bb12b83cbee0562b7b9cab6bbd
SHA13ccf9937cca7fb2b8a5270e9b96955685aabed43
SHA256cf74eda9c40c3d04a5e1b2c17a5e240df7cadf6589ecfd9e23a10f57cf29ff47
SHA5124c3ecbad0f17b832930a25f4d71196e78c9e1d4252ddb608c4bb7f8dab0dd31e8008a1e837692cf8816c1ea2c6405043e398c5fc749c5095bd0dd46683fc250c
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Filesize
220KB
MD5853ac6bb12b83cbee0562b7b9cab6bbd
SHA13ccf9937cca7fb2b8a5270e9b96955685aabed43
SHA256cf74eda9c40c3d04a5e1b2c17a5e240df7cadf6589ecfd9e23a10f57cf29ff47
SHA5124c3ecbad0f17b832930a25f4d71196e78c9e1d4252ddb608c4bb7f8dab0dd31e8008a1e837692cf8816c1ea2c6405043e398c5fc749c5095bd0dd46683fc250c