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Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 23:39
Static task
static1
Behavioral task
behavioral1
Sample
af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe
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Size
192KB
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MD5
7cb51e06fafa3e72af3a2c450d4eb497
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SHA1
4cfcb5d5364c51ca30536044a55fa166637e7582
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SHA256
af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6
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SHA512
e417c61beced2b042005c6b6754b8a6a80e135463d79f09efb24a16fd1ad877159a8f35e6d3ba16ca422f81b73d6c3ba21a03b7e14d9331c3d56dbea4b4bfcd6
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SSDEEP
3072:thrpAmvzu44+er1CQAmI1W6snovRjvsThGszqwQ5zIM3QnbMhHLQLkUsvV6GmjH9:tFvziLTC1W6snovRjvsThGszqwQ5zIMk
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" af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" peoyu.exe -
Executes dropped EXE 1 IoCs
pid Process 852 peoyu.exe -
Loads dropped DLL 2 IoCs
pid Process 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /D" peoyu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /y" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /q" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /K" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /C" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /k" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /P" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /E" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /b" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /u" af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /U" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /r" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /Q" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /i" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /Z" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /j" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /L" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /B" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /h" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /I" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /m" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /T" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /e" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /G" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /A" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /N" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /F" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /d" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /a" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /o" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /n" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /f" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /l" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /w" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /S" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /J" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /X" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /g" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /t" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /M" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /v" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /s" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /z" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /O" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /x" peoyu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /Y" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /p" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /c" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /V" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /H" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /u" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /W" peoyu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\peoyu = "C:\\Users\\Admin\\peoyu.exe /R" peoyu.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 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe 852 peoyu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 852 peoyu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1756 wrote to memory of 852 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 27 PID 1756 wrote to memory of 852 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 27 PID 1756 wrote to memory of 852 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 27 PID 1756 wrote to memory of 852 1756 af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.exe"C:\Users\Admin\AppData\Local\Temp\af94072dffe5bc0e5ededa15a66436846dc3fb5dccdd4dde3680d4f7ab6a4ae6.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:1756 -
C:\Users\Admin\peoyu.exe"C:\Users\Admin\peoyu.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:852
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD54e445ad4303181604289b0bf8c12ec58
SHA1e57be3ede127474afed7ad44c7a3ece67d13f43b
SHA2566c8e1ee53171df0bc90b6b77634bb19bb2febba711875bc66491e8b59e4e7631
SHA512460b72f70211a271bce9b783afe738920153cee1be441725efa353206f7e1c23a3d5d443f05a2f5c2e721adf9a0472bb1b60a33a4b3b97ce3c0ccecf365cede2
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Filesize
192KB
MD54e445ad4303181604289b0bf8c12ec58
SHA1e57be3ede127474afed7ad44c7a3ece67d13f43b
SHA2566c8e1ee53171df0bc90b6b77634bb19bb2febba711875bc66491e8b59e4e7631
SHA512460b72f70211a271bce9b783afe738920153cee1be441725efa353206f7e1c23a3d5d443f05a2f5c2e721adf9a0472bb1b60a33a4b3b97ce3c0ccecf365cede2
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Filesize
192KB
MD54e445ad4303181604289b0bf8c12ec58
SHA1e57be3ede127474afed7ad44c7a3ece67d13f43b
SHA2566c8e1ee53171df0bc90b6b77634bb19bb2febba711875bc66491e8b59e4e7631
SHA512460b72f70211a271bce9b783afe738920153cee1be441725efa353206f7e1c23a3d5d443f05a2f5c2e721adf9a0472bb1b60a33a4b3b97ce3c0ccecf365cede2
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Filesize
192KB
MD54e445ad4303181604289b0bf8c12ec58
SHA1e57be3ede127474afed7ad44c7a3ece67d13f43b
SHA2566c8e1ee53171df0bc90b6b77634bb19bb2febba711875bc66491e8b59e4e7631
SHA512460b72f70211a271bce9b783afe738920153cee1be441725efa353206f7e1c23a3d5d443f05a2f5c2e721adf9a0472bb1b60a33a4b3b97ce3c0ccecf365cede2