Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe
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Size
52KB
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MD5
e39def1c84a7d2af2fa52e427015e3c7
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SHA1
64806f8f877184192ad6201f50309a52c27640d4
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SHA256
05654b58b60ca4b7f7dcad15251e0599ae914c61bf168a85355ed95d5adbf76b
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SHA512
c3a8d34d425220c29765751bf600e6f57fe20556dedd2e7324832e9cc5197e00db9d51ee2967e1ace49002e727518b0bafd89c5246a377981903e6d11636c8c3
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntS:vj+jsMQMOtEvwDpj5HczerLO04BP
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 2888 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exepid process 2796 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_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:
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exemisid.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exedescription pid process target process PID 2796 wrote to memory of 2888 2796 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe misid.exe PID 2796 wrote to memory of 2888 2796 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe misid.exe PID 2796 wrote to memory of 2888 2796 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe misid.exe PID 2796 wrote to memory of 2888 2796 2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
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:2888
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD57e23c8a043f87b20a4078e5a4b733e87
SHA18d241e2694591b6e5966f2221a44ea6eaa31e4e4
SHA256e92bc5f11b46f240e69e40001f0120c799a4aa0e968ec018169038efed97e637
SHA512a50aef4d041b06b8fc216c42ee68e3e7827dd40fbeee54e004955d6d1fa3772782ecc2c90622f643ddaba2be6e4a3a5117bfd67afb87b8d14dfa4125b8b06de6