Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-11-2024 06:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe
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Size
75KB
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MD5
05824e98d8c1bf5d5f7269a834e3e3bd
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SHA1
caee442449876b580ffc23df5654fc7edcc3bb4a
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SHA256
1dbf83425996589fd51f5311576cc98369c5e02c707767788faf45a68dc26e6f
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SHA512
5ba361931879bed1569dd79243397e28374c5a7069ad110400c6f74df873c31527f43d753328f2bff23a20229e2aa0bf8cda573ae850d04525f3be2a5f7ac6db
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SSDEEP
768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zf:9Uj+AIMOtEvwDpjLizbR9Xwzf
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 2948 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exepid process 2748 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exemisid.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exedescription pid process target process PID 2748 wrote to memory of 2948 2748 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe misid.exe PID 2748 wrote to memory of 2948 2748 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe misid.exe PID 2748 wrote to memory of 2948 2748 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe misid.exe PID 2748 wrote to memory of 2948 2748 2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5d4922828aebddeebcfcf660e68f62a27
SHA160f78b5d580eecad51468ca0a5e6b124b15e75ca
SHA25622f48796bb101c76de9bd91c5ed3b84675eea8f4d66ca4d62a8beb1f5f297067
SHA512ed48c6654e6cb73174af5560df67fed3e045560cf19149c26b1e5d5457f74fee7de864a084cd1e26aa2b52049a1c4146204e94accf04e71ee4bfe0978d84a874