Analysis
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max time kernel
158s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:34
Static task
static1
Behavioral task
behavioral1
Sample
d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe
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Size
204KB
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MD5
62e955896af83cae6d473e7841c374f1
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SHA1
37c3eedd7e94583a1095735f3b9a69c4fe107f70
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SHA256
d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834
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SHA512
b78bb3e353fd94d57fd4b8e9c8885d58b7e114123de58fa238b50a262f3fbc94671dab328a18d1c1f177b2d89a884b880f08f9d762b71db4dc09aa848f9ac5eb
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SSDEEP
1536:Gu9dvHQ4zxHwx1BxNy3tQ9CW5EZWHakMwP9W6uXNi9f1AWa11GBPIdRONd+w6ESp:1BHQh0tQ9nLHbB9W+k9ZJgImCt6O
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" koide.exe -
Executes dropped EXE 1 IoCs
pid Process 4892 koide.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /t" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /b" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /v" koide.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /g" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /o" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /i" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /c" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /w" d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /k" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /l" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /e" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /x" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /p" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /q" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /f" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /h" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /m" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /r" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /n" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /u" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /d" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /j" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /s" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /z" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /y" koide.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /w" koide.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koide = "C:\\Users\\Admin\\koide.exe /a" koide.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 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe 4892 koide.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 4892 koide.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1320 wrote to memory of 4892 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 85 PID 1320 wrote to memory of 4892 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 85 PID 1320 wrote to memory of 4892 1320 d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.exe"C:\Users\Admin\AppData\Local\Temp\d46e9f657076b281d8910a3a505d14759d17b2cbecb168ae6b2e278db9ac5834.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:1320 -
C:\Users\Admin\koide.exe"C:\Users\Admin\koide.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:4892
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD59c6a61f8e596d344b39eac3500ee5647
SHA18ad584ac4584d25eb80aa4f16f25dc6e75900122
SHA25626f42197e8f8194d9bad0020f2be55bb185331f535194bdcc89022078aaad169
SHA512ba2e78cc2dbc0c64ae1752aacaa770ade71186529ae03974eeae01e7deee4ff013b2f95aa00a49c95a2143cc673cc058d3f92b9807d523411316e19594553750
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Filesize
204KB
MD59c6a61f8e596d344b39eac3500ee5647
SHA18ad584ac4584d25eb80aa4f16f25dc6e75900122
SHA25626f42197e8f8194d9bad0020f2be55bb185331f535194bdcc89022078aaad169
SHA512ba2e78cc2dbc0c64ae1752aacaa770ade71186529ae03974eeae01e7deee4ff013b2f95aa00a49c95a2143cc673cc058d3f92b9807d523411316e19594553750