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Analysis
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max time kernel
153s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 18:19
Static task
static1
Behavioral task
behavioral1
Sample
684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe
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Size
272KB
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MD5
07e673bf5e721bca511625d5cee79af0
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SHA1
3d55685f908df8ca9e95124c0e44266b4cc99260
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SHA256
684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93
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SHA512
eab3cf4af28101acbc2efefba303172aef7b7338e5726a1f3bb236c0cae5f8a6e711ec67dbaa0b5983066709aa506748b2b92dab7fbba69c538984dadd204859
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SSDEEP
3072:e4a9gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3yrU:bvvbfznH7O9G/PLLxU3YwgTM
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tiowi.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe -
Executes dropped EXE 1 IoCs
pid Process 2832 tiowi.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /s" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /a" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /o" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /i" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /f" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /u" tiowi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /x" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /d" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /h" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /b" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /t" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /z" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /v" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /g" 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /y" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /g" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /p" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /k" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /q" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /r" tiowi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /j" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /w" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /e" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /l" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /c" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /m" tiowi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiowi = "C:\\Users\\Admin\\tiowi.exe /n" tiowi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe 2832 tiowi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 2832 tiowi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4664 wrote to memory of 2832 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 82 PID 4664 wrote to memory of 2832 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 82 PID 4664 wrote to memory of 2832 4664 684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe"C:\Users\Admin\AppData\Local\Temp\684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\tiowi.exe"C:\Users\Admin\tiowi.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:2832
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1700
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD507e673bf5e721bca511625d5cee79af0
SHA13d55685f908df8ca9e95124c0e44266b4cc99260
SHA256684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93
SHA512eab3cf4af28101acbc2efefba303172aef7b7338e5726a1f3bb236c0cae5f8a6e711ec67dbaa0b5983066709aa506748b2b92dab7fbba69c538984dadd204859
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Filesize
272KB
MD507e673bf5e721bca511625d5cee79af0
SHA13d55685f908df8ca9e95124c0e44266b4cc99260
SHA256684aaeeae13c0048f24c46f2e53f3e540d7d8948a481ac88bb0ddca616cf7d93
SHA512eab3cf4af28101acbc2efefba303172aef7b7338e5726a1f3bb236c0cae5f8a6e711ec67dbaa0b5983066709aa506748b2b92dab7fbba69c538984dadd204859