Analysis
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max time kernel
152s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 02:48
Static task
static1
Behavioral task
behavioral1
Sample
660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe
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Size
152KB
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MD5
621450cb8e67be985c760728d0139a1d
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SHA1
b84220b84de88f124cc0ab0050ed0c89b2187e4e
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SHA256
660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57
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SHA512
45b9593434aaaac12e6eb58f0c8617c2ce0a1b856be4614eac87ebdc64dff484f6e031ebd63e7a1bccce5671c03b604865944db8f45078fe49c8034a112554aa
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SSDEEP
1536:M8MYeonj9tk3MBGI9i7npIRkM4HPdKMq5ELEDkb09cbZTrhshmB3tI:MPEnj9t4MBGIGuRnKP4MqUAoSh
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ptkuoz.exe -
Executes dropped EXE 1 IoCs
pid Process 3876 ptkuoz.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /z" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /d" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /h" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /m" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /r" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /w" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /t" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /e" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /j" ptkuoz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /i" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /s" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /y" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /l" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /k" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /x" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /q" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /a" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /c" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /v" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /o" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /p" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /g" ptkuoz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /u" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /f" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /n" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /b" ptkuoz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ptkuoz = "C:\\Users\\Admin\\ptkuoz.exe /z" 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.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 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe 3876 ptkuoz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 3876 ptkuoz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4804 wrote to memory of 3876 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 82 PID 4804 wrote to memory of 3876 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 82 PID 4804 wrote to memory of 3876 4804 660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe"C:\Users\Admin\AppData\Local\Temp\660bb456ba5392170d165a032ce81db4cc89ffbb1df3402793763bb396ef1b57.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Users\Admin\ptkuoz.exe"C:\Users\Admin\ptkuoz.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:3876
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD57747950f194cac63f75651940e69485f
SHA13b4f9adc58c433572bd7f7def0ee6690ae1681fc
SHA256eabf75744acc721cf0031dfb3704b1c7e4e5299e81f9255eddb231552604f646
SHA5124b2b2ca0fb1835ec928732c11f21f876b178d4c5dbbb62b5a313935c189f5bbf922355ce02b7a2559aa585cb4717afd10a3c269ec71722136b5b7b6b7e28ff2a
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Filesize
152KB
MD57747950f194cac63f75651940e69485f
SHA13b4f9adc58c433572bd7f7def0ee6690ae1681fc
SHA256eabf75744acc721cf0031dfb3704b1c7e4e5299e81f9255eddb231552604f646
SHA5124b2b2ca0fb1835ec928732c11f21f876b178d4c5dbbb62b5a313935c189f5bbf922355ce02b7a2559aa585cb4717afd10a3c269ec71722136b5b7b6b7e28ff2a