Analysis
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max time kernel
139s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-10-2022 00:00
Static task
static1
Behavioral task
behavioral1
Sample
86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe
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Size
136KB
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MD5
a32e1184d364598b6e5025982e5c4020
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SHA1
e1ea1d228612984a440c924ff5aad0b0922b8546
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SHA256
86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed
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SHA512
5c36b22a62549c14a12b2569a990f0bdc3273d12b12b939fd75eb713e72d3320a89862919876ab389b6f6f18f18626abcd91c8b4fd5750a907d43172987cf368
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SSDEEP
1536:gFxoN1+F6eKZO2DXseqFC9jtoIKk5M8nKJS4p5oaLBhHSN/y+VLsxh:AoyFpEO2DXseqSo05xx4Qbk+yxh
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" 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" koedou.exe -
Executes dropped EXE 1 IoCs
pid Process 3392 koedou.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 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /t" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /y" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /d" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /m" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /c" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /a" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /c" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /j" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /w" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /l" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /u" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /j" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /p" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /z" koedou.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /h" 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /u" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /y" koedou.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ koedou.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /x" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /h" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /n" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /r" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /g" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /q" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /g" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /t" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /m" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /n" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /i" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /v" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /r" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /z" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /l" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /f" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /b" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /a" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /t" 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /q" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /k" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /w" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /x" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /s" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /f" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /s" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /p" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /o" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /k" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /e" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /o" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /d" koedou.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /b" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /i" koedou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /e" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /h" koedou.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\koedou = "C:\\Users\\Admin\\koedou.exe /v" koedou.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 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe 3392 koedou.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 3392 koedou.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2632 wrote to memory of 3392 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 83 PID 2632 wrote to memory of 3392 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 83 PID 2632 wrote to memory of 3392 2632 86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.exe"C:\Users\Admin\AppData\Local\Temp\86899093a87fb52223ffba214dc1b23867d7e4ac1aa4d4c72f6b4bde759e27ed.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:2632 -
C:\Users\Admin\koedou.exe"C:\Users\Admin\koedou.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:3392
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD534b288a2bfc1da1c013beffca056fe64
SHA1f49159ff8dd42592e6495843e16364d3b54fac4b
SHA256d520a45c5414f824b618194b613d816a9fa1788bf1f3d72f7707de83ea72837e
SHA512e135ac89ec4278f73da4fca773d6a6ce88e8eef0ee1ca862a9d5e6ccc1c72a9c2efb476bf8058422a1acb91e2f8c15ee1b77f879e99776f811910b9d3f44c085
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Filesize
136KB
MD534b288a2bfc1da1c013beffca056fe64
SHA1f49159ff8dd42592e6495843e16364d3b54fac4b
SHA256d520a45c5414f824b618194b613d816a9fa1788bf1f3d72f7707de83ea72837e
SHA512e135ac89ec4278f73da4fca773d6a6ce88e8eef0ee1ca862a9d5e6ccc1c72a9c2efb476bf8058422a1acb91e2f8c15ee1b77f879e99776f811910b9d3f44c085