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Analysis
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max time kernel
151s -
max time network
53s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe
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Size
224KB
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MD5
40f4c93a5e794564ab6b68c283e2679e
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SHA1
c5b773d86a023516326a70061c59d844d16e3c84
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SHA256
c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d
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SHA512
c47ee8285bd27e6621f62f8fd3103ba3bffa4ff9bf7edb3fc6dfa69d11d458aa50391ee23d786fd4c1202bcfcbb0880db698c6a085f915ba92658cc672a0b95a
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SSDEEP
3072:bXyqNsMoBunDZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax26:OqN5Tp4LnbmlrZW
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" koopo.exe -
Executes dropped EXE 1 IoCs
pid Process 1644 koopo.exe -
Loads dropped DLL 2 IoCs
pid Process 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /a" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /k" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /w" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /n" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /f" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /i" c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /l" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /g" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /m" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /x" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /u" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /v" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /d" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /q" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /y" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /z" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /r" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /h" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /j" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /p" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /o" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /c" koopo.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /b" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /e" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /s" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /t" koopo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\koopo = "C:\\Users\\Admin\\koopo.exe /i" koopo.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 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe 1644 koopo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 1644 koopo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1488 wrote to memory of 1644 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 26 PID 1488 wrote to memory of 1644 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 26 PID 1488 wrote to memory of 1644 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 26 PID 1488 wrote to memory of 1644 1488 c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe"C:\Users\Admin\AppData\Local\Temp\c414848903205322a5e8d80b1769f9da19f58bc1c3a457756ae34920a58a859d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\koopo.exe"C:\Users\Admin\koopo.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:1644
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD55db949f3753a5d07cb26116d2dbb9fb4
SHA124b48ec9bb361b065638102a8a9f56ca945d3d6b
SHA25693bcbaad897ec1fd1180643e256125a9038a8da0882a2a96af77f8827c8bc224
SHA512b083624e693bf9a9ce18573b9165a2c670fea9aa14cda029fca35d0b9df25faeb10483c635b71cb7d50caf11415124a40635dcf1680136818c79106d62d4c661
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Filesize
224KB
MD55db949f3753a5d07cb26116d2dbb9fb4
SHA124b48ec9bb361b065638102a8a9f56ca945d3d6b
SHA25693bcbaad897ec1fd1180643e256125a9038a8da0882a2a96af77f8827c8bc224
SHA512b083624e693bf9a9ce18573b9165a2c670fea9aa14cda029fca35d0b9df25faeb10483c635b71cb7d50caf11415124a40635dcf1680136818c79106d62d4c661
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Filesize
224KB
MD55db949f3753a5d07cb26116d2dbb9fb4
SHA124b48ec9bb361b065638102a8a9f56ca945d3d6b
SHA25693bcbaad897ec1fd1180643e256125a9038a8da0882a2a96af77f8827c8bc224
SHA512b083624e693bf9a9ce18573b9165a2c670fea9aa14cda029fca35d0b9df25faeb10483c635b71cb7d50caf11415124a40635dcf1680136818c79106d62d4c661
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Filesize
224KB
MD55db949f3753a5d07cb26116d2dbb9fb4
SHA124b48ec9bb361b065638102a8a9f56ca945d3d6b
SHA25693bcbaad897ec1fd1180643e256125a9038a8da0882a2a96af77f8827c8bc224
SHA512b083624e693bf9a9ce18573b9165a2c670fea9aa14cda029fca35d0b9df25faeb10483c635b71cb7d50caf11415124a40635dcf1680136818c79106d62d4c661