Analysis
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max time kernel
220s -
max time network
235s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:49
Static task
static1
Behavioral task
behavioral1
Sample
c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe
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Size
116KB
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MD5
f9bc27672fd5c7d0cef4eaf6642d120f
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SHA1
1aef21ddf4342e43f34518ca2290dc9f14a31627
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SHA256
c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae
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SHA512
e85921c73d0e4539d21a401dda819cde5583cfd85b86dc9dcfd6cfc956d740e22fb3c332114f4d2235902a05af74e5151ba076a691fd3c5fbe874cadc9a90eea
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SSDEEP
1536:RqQ8pSZDBeZUBFTgVjtXZTto1e9uCLBCPr8/NL44PerVjQZIi6XI:QbpueZU7TgdTq1DxX
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kypen.exe -
Executes dropped EXE 1 IoCs
pid Process 1980 kypen.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /h" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /z" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /n" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /d" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /m" c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /v" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /u" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /i" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /g" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /f" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /a" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /x" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /o" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /e" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /r" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /l" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /c" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /w" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /s" kypen.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /j" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /t" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /k" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /q" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /y" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /p" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /m" kypen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kypen = "C:\\Users\\Admin\\kypen.exe /b" kypen.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 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe 1980 kypen.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 1980 kypen.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2616 wrote to memory of 1980 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 83 PID 2616 wrote to memory of 1980 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 83 PID 2616 wrote to memory of 1980 2616 c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.exe"C:\Users\Admin\AppData\Local\Temp\c9c1c671b76ba87f6dab480dc435f0f4067bc6f856ae7a8951c7b3f5eaed86ae.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:2616 -
C:\Users\Admin\kypen.exe"C:\Users\Admin\kypen.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:1980
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD515eb218396c0de98ee7892c949ad5798
SHA18623d2417300f0bbee914dd3e743c52a08168f6a
SHA2569e63cfa6777c1ef62f7ba390f6b744d1f3a35e1538bce9652a7f451ef9c9e8b3
SHA512557cda44c0dfe0cea3808a6030f112268660a3450a481cb2ff5179be974585d8e2541d3216e2615776a943302f9841e8e7d05a848a7b8bfd042abf488ea9e794
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Filesize
116KB
MD515eb218396c0de98ee7892c949ad5798
SHA18623d2417300f0bbee914dd3e743c52a08168f6a
SHA2569e63cfa6777c1ef62f7ba390f6b744d1f3a35e1538bce9652a7f451ef9c9e8b3
SHA512557cda44c0dfe0cea3808a6030f112268660a3450a481cb2ff5179be974585d8e2541d3216e2615776a943302f9841e8e7d05a848a7b8bfd042abf488ea9e794