Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 19:10
Static task
static1
Behavioral task
behavioral1
Sample
c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe
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Size
216KB
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MD5
06378f2cb69034a2e1bae12920ccda40
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SHA1
e957a7d60c717bee78700f9df317b810b7c12b20
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SHA256
c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a
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SHA512
5c45e474e88874cd6d274748511c905076b23752ce7599c368b187185739c45af5fc634dba0f2b9f781f3c841dd51864ac5288973fc45cf3a2b04b27746fb31d
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SSDEEP
3072:gLZi52xe705cmpH8ijBcS6iS/a840nN9k+s7EeHkAxIbYp6r:gQuEHmpcyWX3/r40N9kLjIp
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" feusial.exe -
Executes dropped EXE 1 IoCs
pid Process 2264 feusial.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /t" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /a" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /o" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /P" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /y" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /g" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /e" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /n" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /S" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /V" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /H" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /w" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /A" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /O" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /L" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /m" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /W" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /K" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /z" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /E" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /Q" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /h" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /b" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /I" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /N" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /T" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /B" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /D" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /Z" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /c" feusial.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /k" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /C" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /q" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /F" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /l" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /v" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /t" c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /U" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /x" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /s" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /p" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /J" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /r" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /i" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /u" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /d" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /f" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /M" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /G" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /Y" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /R" feusial.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /X" feusial.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feusial = "C:\\Users\\Admin\\feusial.exe /j" feusial.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 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe 2264 feusial.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 2264 feusial.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4656 wrote to memory of 2264 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 79 PID 4656 wrote to memory of 2264 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 79 PID 4656 wrote to memory of 2264 4656 c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.exe"C:\Users\Admin\AppData\Local\Temp\c65e34d4675f553032818317d1c6848bc37466fee1af30cfec52b585d6df658a.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:4656 -
C:\Users\Admin\feusial.exe"C:\Users\Admin\feusial.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:2264
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
216KB
MD558c02c8fcb874ed9f2c861c22dac6c7b
SHA13079961cb7a0f3f066e4b7c3eb635fefdea41816
SHA256af513d50cab80a31f44795e98e1dbae3b1eb913b15a04ad789d75ff620013df0
SHA51295ed283b36b00041459c10b09e4a0a713de8ce7641cf73ef5b0b473d416f0e343594037fdc3a660121fd1c41eacc0d4c6594b8c53341e601930c149af1884c48
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Filesize
216KB
MD558c02c8fcb874ed9f2c861c22dac6c7b
SHA13079961cb7a0f3f066e4b7c3eb635fefdea41816
SHA256af513d50cab80a31f44795e98e1dbae3b1eb913b15a04ad789d75ff620013df0
SHA51295ed283b36b00041459c10b09e4a0a713de8ce7641cf73ef5b0b473d416f0e343594037fdc3a660121fd1c41eacc0d4c6594b8c53341e601930c149af1884c48