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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 20:15
Static task
static1
Behavioral task
behavioral1
Sample
81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe
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Size
192KB
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MD5
68796c110ad7b6142142790f5e4084d0
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SHA1
7d63d01f6bfdb3ace553b15cbe4e2315ad11b729
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SHA256
81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55
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SHA512
4892ba3ea9cfbf43bdc0b32e72298cb1b9bb96749a6eb4ab74bbb1dde64377825da4439fa3cf7983ceced810e41014d2a0b1e11a7a33e16a036a36ad44b42080
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SSDEEP
1536:ffHmH9uHl9jwPRi4iti93MH9iV6MRfWzzp3BHCeQbIYL29oPLJZ514R9/77rqiaW:3mH9a92Ri4itiSHXzp3fYhPLJG1aW
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puein.exe -
Executes dropped EXE 1 IoCs
pid Process 3452 puein.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe -
Adds Run key to start application 2 TTPs 20 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /v" 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /t" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /v" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /p" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /g" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /j" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /e" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /i" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /k" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /r" puein.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /q" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /c" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /a" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /x" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /l" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /m" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /o" puein.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puein = "C:\\Users\\Admin\\puein.exe /d" puein.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 48 IoCs
pid Process 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe 3452 puein.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 3452 puein.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3400 wrote to memory of 3452 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 92 PID 3400 wrote to memory of 3452 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 92 PID 3400 wrote to memory of 3452 3400 81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.exe"C:\Users\Admin\AppData\Local\Temp\81300e4004f17de0b1b1ab9d1d5a75ac56ae176aba0823a352a222e54ea5ab55.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:3400 -
C:\Users\Admin\puein.exe"C:\Users\Admin\puein.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:3452
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD5faf7f48fcdb47537ac8d4b3ff971e26c
SHA1e2e867917935b6023feecfb75d1d672425d3ad61
SHA256a099783fc6a397557d111354db51451a2e10fd54e277ffad12a3cdac905e8ef6
SHA512cad99776686e40496cfc9919d99be288e4994815b5c46c28a78a2c33925626d961dfcfea294a250c5b54bbfd89007b4df26ac91dfbf39131244b02b5886fc0a9
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Filesize
192KB
MD5faf7f48fcdb47537ac8d4b3ff971e26c
SHA1e2e867917935b6023feecfb75d1d672425d3ad61
SHA256a099783fc6a397557d111354db51451a2e10fd54e277ffad12a3cdac905e8ef6
SHA512cad99776686e40496cfc9919d99be288e4994815b5c46c28a78a2c33925626d961dfcfea294a250c5b54bbfd89007b4df26ac91dfbf39131244b02b5886fc0a9